diff --git a/commitlint.config.js b/commitlint.config.js
index d5861f6b..6da72baa 100644
--- a/commitlint.config.js
+++ b/commitlint.config.js
@@ -44,6 +44,7 @@ module.exports = {
         "workflow",
         "types",
         "release",
+        "merge",
       ],
     ],
   },
diff --git a/src/components/Tags.vue b/src/components/Tags.vue
new file mode 100644
index 00000000..90fb670c
--- /dev/null
+++ b/src/components/Tags.vue
@@ -0,0 +1,87 @@
+<!-- Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. -->
+<template>
+  <span :class="vertical ? 'vertical' : 'horizontal'" v-for="tag in dynamicTags" :key="tag">
+    <el-tag closable :disable-transitions="false" @close="handleClose(tag)">
+      {{ tag }}
+    </el-tag>
+  </span>
+  <el-input
+    v-if="inputVisible"
+    ref="InputRef"
+    v-model="inputValue"
+    class="ml-5 input-name"
+    size="small"
+    @keyup.enter="handleInputConfirm"
+    @blur="handleInputConfirm"
+  />
+  <el-button v-else size="small" @click="showInput"> + {{ text }} </el-button>
+</template>
+
+<script lang="ts" setup>
+  import { nextTick, ref } from "vue";
+  import type { PropType } from "vue";
+  import { ElInput } from "element-plus";
+
+  /*global defineProps, defineEmits*/
+  const emits = defineEmits(["change"]);
+  const props = defineProps({
+    tags: {
+      type: Array as PropType<string[]>,
+      default: () => [],
+    },
+    text: { type: String, default: "" },
+    vertical: { type: Boolean, default: false },
+  });
+  const inputValue = ref("");
+  const dynamicTags = ref<string[]>(props.tags || []);
+  const inputVisible = ref(false);
+  const InputRef = ref<InstanceType<typeof ElInput>>();
+
+  const handleClose = (tag: string) => {
+    dynamicTags.value.splice(dynamicTags.value.indexOf(tag), 1);
+  };
+
+  const showInput = () => {
+    inputVisible.value = true;
+    nextTick(() => {
+      InputRef.value!.input!.focus();
+    });
+  };
+
+  const handleInputConfirm = () => {
+    if (inputValue.value) {
+      dynamicTags.value.push(inputValue.value);
+    }
+    inputVisible.value = false;
+    inputValue.value = "";
+    emits("change", dynamicTags.value);
+  };
+</script>
+<style lang="scss" scoped>
+  .input-name {
+    width: 300px;
+  }
+
+  .vertical {
+    display: block;
+    margin-bottom: 5px;
+  }
+
+  .horizontal {
+    display: inline-block;
+    margin-right: 5px;
+  }
+</style>
diff --git a/src/components/index.ts b/src/components/index.ts
index 607c7ce7..2992ee49 100644
--- a/src/components/index.ts
+++ b/src/components/index.ts
@@ -21,6 +21,7 @@ import Selector from "./Selector.vue";
 import Graph from "./Graph.vue";
 import Radio from "./Radio.vue";
 import SelectSingle from "./SelectSingle.vue";
+import Tags from "./Tags.vue";
 import VueGridLayout from "vue-grid-layout";
 
 const components: Indexable = {
@@ -31,6 +32,7 @@ const components: Indexable = {
   Graph,
   Radio,
   SelectSingle,
+  Tags,
 };
 const componentsName: string[] = Object.keys(components);
 
diff --git a/src/hooks/useExpressionsProcessor.ts b/src/hooks/useExpressionsProcessor.ts
index 6855696f..3ddf8662 100644
--- a/src/hooks/useExpressionsProcessor.ts
+++ b/src/hooks/useExpressionsProcessor.ts
@@ -15,13 +15,14 @@
  * limitations under the License.
  */
 import { RespFields } from "./data";
-import { ExpressionResultType } from "@/views/dashboard/data";
+import { EntityType, ExpressionResultType } from "@/views/dashboard/data";
 import { ElMessage } from "element-plus";
 import { useDashboardStore } from "@/store/modules/dashboard";
 import { useSelectorStore } from "@/store/modules/selectors";
 import { useAppStoreWithOut } from "@/store/modules/app";
 import type { MetricConfigOpt } from "@/types/dashboard";
 import type { Instance, Endpoint, Service } from "@/types/selector";
+import type { Node, Call } from "@/types/topology";
 
 export async function useExpressionsQueryProcessor(config: Indexable) {
   function expressionsGraphqlPods() {
@@ -312,3 +313,88 @@ export async function useExpressionsQueryPodsMetrics(
 
   return expressionParams;
 }
+
+export function useQueryTopologyExpressionsProcessor(metrics: string[], instances: (Call | Node)[]) {
+  const appStore = useAppStoreWithOut();
+  const dashboardStore = useDashboardStore();
+
+  function getExpressionQuery() {
+    const conditions: { [key: string]: unknown } = {
+      duration: appStore.durationTime,
+    };
+    const variables: string[] = [`$duration: Duration!`];
+    const fragmentList = instances.map((d: any, index: number) => {
+      let serviceName;
+      let destServiceName;
+      let endpointName;
+      let serviceInstanceName;
+      let destServiceInstanceName;
+      let destEndpointName;
+      if (d.sourceObj && d.targetObj) {
+        // instances = Calls
+        serviceName = d.sourceObj.serviceName || d.sourceObj.name;
+        destServiceName = d.targetObj.serviceName || d.targetObj.name;
+        if (EntityType[4].value === dashboardStore.entity) {
+          serviceInstanceName = d.sourceObj.name;
+          destServiceInstanceName = d.targetObj.name;
+        }
+        if (EntityType[2].value === dashboardStore.entity) {
+          endpointName = d.sourceObj.name;
+          destEndpointName = d.targetObj.name;
+        }
+      } else {
+        // instances = Nodes
+        serviceName = d.serviceName || d.name;
+        if (EntityType[4].value === dashboardStore.entity) {
+          serviceInstanceName = d.name;
+        }
+        if (EntityType[2].value === dashboardStore.entity) {
+          endpointName = d.name;
+        }
+      }
+      const entity = {
+        serviceName,
+        normal: true,
+        serviceInstanceName,
+        endpointName,
+        destServiceName,
+        destNormal: destServiceName ? true : undefined,
+        destServiceInstanceName,
+        destEndpointName,
+      };
+      variables.push(`$entity${index}: Entity!`);
+      conditions[`entity${index}`] = entity;
+      const f = metrics.map((name: string, idx: number) => {
+        if (index === 0) {
+          variables.push(`$expression${idx}: String!`);
+          conditions[`expression${idx}`] = name;
+        }
+        return `expression${index}${idx}: execExpression(expression: $expression${idx}, entity: $entity${index}, duration: $duration)${RespFields.execExpression}`;
+      });
+      return f;
+    });
+    const fragment = fragmentList.flat(1).join(" ");
+    const queryStr = `query queryData(${variables}) {${fragment}}`;
+
+    return { queryStr, conditions };
+  }
+  function handleExpressionValues(resp: { [key: string]: any }) {
+    const obj: any = {};
+    for (let idx = 0; idx < instances.length; idx++) {
+      for (let index = 0; index < metrics.length; index++) {
+        const k = "expression" + idx + index;
+        if (metrics[index]) {
+          if (!obj[metrics[index]]) {
+            obj[metrics[index]] = {
+              values: [],
+            };
+          }
+          obj[metrics[index]].values.push({ value: resp[k].results[0].values[0].value, id: instances[idx].id });
+        }
+      }
+    }
+    return obj;
+  }
+
+  return { getExpressionQuery, handleExpressionValues };
+}
diff --git a/src/layout/components/NavBar.vue b/src/layout/components/NavBar.vue
index 26a0285e..43202ed5 100644
--- a/src/layout/components/NavBar.vue
+++ b/src/layout/components/NavBar.vue
@@ -14,7 +14,31 @@ See the License for the specific language governing permissions and
 limitations under the License. -->
 <template>
   <div class="nav-bar flex-h">
-    <div class="title">{{ route.name === "ViewWidget" ? "" : appStore.pageTitle || pageName }}</div>
+    <el-breadcrumb
+      :separator-icon="ArrowRight"
+      class="title flex-h"
+      v-if="pathNames.length"
+      :style="{ '--el-text-color-placeholder': '#666' }"
+    >
+      <el-breadcrumb-item
+        v-for="(path, index) in pathNames"
+        :key="index"
+        :replace="true"
+        :to="{ path: getName(path).path || '' }"
+      >
+        <el-dropdown size="small" placement="bottom" :persistent="false">
+          <span class="cp name">{{ getName(path).name }}</span>
+          <template #dropdown>
+            <el-dropdown-menu>
+              <el-dropdown-item @click="setName(p)" v-for="(p, index) in path" :key="index">
+                <span>{{ p.name }}</span>
+              </el-dropdown-item>
+            </el-dropdown-menu>
+          </template>
+        </el-dropdown>
+      </el-breadcrumb-item>
+    </el-breadcrumb>
+    <div class="title" v-else>{{ pageTitle }}</div>
     <div class="app-config">
       <span class="red" v-show="timeRange">{{ t("timeTips") }}</span>
       <TimePicker
@@ -45,20 +69,47 @@ limitations under the License. -->
   import { useI18n } from "vue-i18n";
   import timeFormat from "@/utils/timeFormat";
   import { useAppStoreWithOut } from "@/store/modules/app";
+  import { useDashboardStore } from "@/store/modules/dashboard";
   import { ElMessage } from "element-plus";
+  import { MetricCatalog } from "@/views/dashboard/data";
+  import type { DashboardItem } from "@/types/dashboard";
+  import router from "@/router";
+  import { ArrowRight } from "@element-plus/icons-vue";
 
   /*global Indexable */
-  const { t } = useI18n();
+  const { t, te } = useI18n();
   const appStore = useAppStoreWithOut();
+  const dashboardStore = useDashboardStore();
   const route = useRoute();
-  const pageName = ref<string>("");
+  const pathNames = ref<{ path?: string; name: string; selected: boolean }[][]>([]);
   const timeRange = ref<number>(0);
+  const pageTitle = ref<string>("");
 
   resetDuration();
   getVersion();
-  const setConfig = (value: string) => {
-    pageName.value = value || "";
-  };
+  getNavPaths();
+
+  function getName(list: any[]) {
+    return list.find((d: any) => d.selected) || {};
+  }
+
+  function setName(item: any) {
+    pathNames.value = pathNames.value.map((list: { path?: string; name: string; selected: boolean }[]) => {
+      const p = list.find((i: any) => i.entity === item.entity && item.layer === i.layer && i.name === item.name);
+      if (p) {
+        list = list.map((d: any) => {
+          d.selected = false;
+          if (d.entity === item.entity && item.layer === d.layer && d.name === item.name) {
+            d.selected = true;
+          }
+          return d;
+        });
+      }
+
+      return list;
+    });
+    item.path && router.push(item.path);
+  }
 
   function handleReload() {
     const gap = appStore.duration.end.getTime() - appStore.duration.start.getTime();
@@ -73,19 +124,138 @@ limitations under the License. -->
     }
     appStore.setDuration(timeFormat(val));
   }
-  setConfig(String(route.meta.title));
-  watch(
-    () => route.meta.title,
-    (title: unknown) => {
-      setConfig(String(title));
-    },
-  );
+
+  function getNavPaths() {
+    pathNames.value = [];
+    pageTitle.value = "";
+    const dashboard = dashboardStore.currentDashboard;
+
+    if (!(dashboard && dashboard.name)) {
+      updateNavTitle();
+      return;
+    }
+    const root =
+      dashboardStore.dashboards.filter((d: DashboardItem) => d.isRoot && dashboard.layer === d.layer)[0] || {};
+    for (const item of appStore.allMenus) {
+      if (item.subItems && item.subItems.length) {
+        for (const subItem of item.subItems) {
+          if (subItem.layer === root.layer) {
+            root.path = subItem.path;
+          }
+        }
+      } else {
+        if (item.layer === root.layer) {
+          root.path = item.path;
+        }
+      }
+    }
+    pathNames.value.push([{ ...root, selected: true }]);
+    if (dashboard.entity === MetricCatalog.ALL) {
+      return;
+    }
+    if (dashboard.entity === MetricCatalog.SERVICE) {
+      pathNames.value.push([
+        {
+          name: dashboard.name,
+          selected: true,
+        },
+      ]);
+      return;
+    }
+    const serviceDashboards = dashboardStore.dashboards.filter(
+      (d: DashboardItem) => MetricCatalog.SERVICE === d.entity && dashboard.layer === d.layer,
+    );
+    if (!serviceDashboards.length) {
+      return;
+    }
+
+    const serviceId = route.params.serviceId;
+    const list = serviceDashboards.map((d: { path: string } & DashboardItem, index: number) => {
+      let path = `/dashboard/${d.layer}/${d.entity}/${d.name}`;
+      if (serviceId) {
+        path = `/dashboard/${d.layer}/${d.entity}/${serviceId}/${d.name}`;
+      }
+      const selected = index === 0;
+      return {
+        ...d,
+        path,
+        selected,
+      };
+    });
+    pathNames.value.push(list);
+    const podId = route.params.podId;
+    if (dashboard.entity === MetricCatalog.ENDPOINT_RELATION) {
+      const endpointDashboards = dashboardStore.dashboards.filter(
+        (d: DashboardItem) => MetricCatalog.ENDPOINT === d.entity && dashboard.layer === d.layer,
+      );
+      const list = endpointDashboards.map((d: { path: string } & DashboardItem, index: number) => {
+        let path = `/dashboard/${d.layer}/${d.entity}/${d.name}`;
+        if (podId) {
+          path = `/dashboard/${d.layer}/${d.entity}/${serviceId}/${podId}/${d.name}`;
+        }
+        const selected = index === 0;
+        return {
+          ...d,
+          path,
+          selected,
+        };
+      });
+
+      pathNames.value.push(list);
+    }
+    const destServiceId = route.params.destServiceId;
+    if (dashboard.entity === MetricCatalog.SERVICE_INSTANCE_RELATION) {
+      const serviceRelationDashboards = dashboardStore.dashboards.filter(
+        (d: DashboardItem) => MetricCatalog.SERVICE_RELATION === d.entity && dashboard.layer === d.layer,
+      );
+      const list = serviceRelationDashboards.map((d: { path: string } & DashboardItem, index: number) => {
+        let path = `/dashboard/${d.layer}/${d.entity}/${d.name}`;
+        if (destServiceId) {
+          path = `/dashboard/related/${d.layer}/${d.entity}/${serviceId}/${destServiceId}/${d.name}`;
+        }
+        const selected = index === 0;
+        return {
+          ...d,
+          path,
+          selected,
+        };
+      });
+      pathNames.value.push(list);
+    }
+    if ([MetricCatalog.Process, MetricCatalog.PROCESS_RELATION].includes(dashboard.entity)) {
+      const InstanceDashboards = dashboardStore.dashboards.filter(
+        (d: DashboardItem) => MetricCatalog.SERVICE_INSTANCE === d.entity && dashboard.layer === d.layer,
+      );
+      const list = InstanceDashboards.map((d: { path: string } & DashboardItem, index: number) => {
+        let path = `/dashboard/${d.layer}/${d.entity}/${d.name}`;
+        if (podId) {
+          path = `/dashboard/${d.layer}/${d.entity}/${serviceId}/${podId}/${d.name}`;
+        }
+        const selected = index === 0;
+        return {
+          ...d,
+          path,
+          selected,
+        };
+      });
+
+      pathNames.value.push(list);
+    }
+    pathNames.value.push([
+      {
+        name: dashboard.name,
+        selected: true,
+      },
+    ]);
+  }
+
   async function getVersion() {
     const res = await appStore.fetchVersion();
     if (res.errors) {
       ElMessage.error(res.errors);
     }
   }
+
   function resetDuration() {
     const { duration }: Indexable = route.params;
     if (duration) {
@@ -99,10 +269,22 @@ limitations under the License. -->
       appStore.updateUTC(d.utc);
     }
   }
+
+  function updateNavTitle() {
+    const key = String(route.meta.i18nKey);
+    pageTitle.value = te(key) ? t(key) : String(route.meta.title);
+  }
+
+  watch(
+    () => [dashboardStore.currentDashboard, route.name],
+    () => {
+      getNavPaths();
+    },
+  );
 </script>
 <style lang="scss" scoped>
   .nav-bar {
-    padding: 5px 10px;
+    padding: 5px;
     text-align: left;
     justify-content: space-between;
     background-color: #fafbfc;
@@ -120,11 +302,17 @@ limitations under the License. -->
   .title {
     font-size: $font-size-normal;
     font-weight: 500;
-    height: 28px;
-    line-height: 28px;
   }
 
   .nav-tabs {
     padding: 10px;
   }
+
+  .name {
+    display: inline-block;
+    max-width: 250px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow: hidden;
+  }
 </style>
diff --git a/src/locales/lang/en.ts b/src/locales/lang/en.ts
index db2eb4ab..1d983f65 100644
--- a/src/locales/lang/en.ts
+++ b/src/locales/lang/en.ts
@@ -378,5 +378,9 @@ const msg = {
   menus: "Menus",
   saveReload: "Save and reload the page",
   document: "Documentation",
+  metricMode: "Metric Mode",
+  addExpressions: "Add Expressions",
+  expressions: "Expression",
+  unhealthyExpression: "Unhealthy Expression",
 };
 export default msg;
diff --git a/src/locales/lang/es.ts b/src/locales/lang/es.ts
index aa7953e6..b92ba40b 100644
--- a/src/locales/lang/es.ts
+++ b/src/locales/lang/es.ts
@@ -378,5 +378,9 @@ const msg = {
   menus: "Menus",
   saveReload: "Save and reload the page",
   document: "Documentation",
+  metricMode: "Metric Mode",
+  addExpressions: "Add Expressions",
+  expressions: "Expression",
+  unhealthyExpression: "Unhealthy Expression",
 };
 export default msg;
diff --git a/src/locales/lang/zh.ts b/src/locales/lang/zh.ts
index 430755e5..edc9a665 100644
--- a/src/locales/lang/zh.ts
+++ b/src/locales/lang/zh.ts
@@ -376,5 +376,9 @@ const msg = {
   menusManagement: "菜单",
   saveReload: "保存并重新加载页面",
   document: "文档",
+  metricMode: "指标模式",
+  addExpressions: "添加表达式",
+  expressions: "表达式",
+  unhealthyExpression: "非健康表达式",
 };
 export default msg;
diff --git a/src/store/modules/app.ts b/src/store/modules/app.ts
index ede73ea5..994e83a5 100644
--- a/src/store/modules/app.ts
+++ b/src/store/modules/app.ts
@@ -32,7 +32,6 @@ interface AppState {
   eventStack: (() => unknown)[];
   timer: Nullable<TimeoutHandle>;
   autoRefresh: boolean;
-  pageTitle: string;
   version: string;
   isMobile: boolean;
   reloadTimer: Nullable<IntervalHandle>;
@@ -53,7 +52,6 @@ export const appStore = defineStore({
     eventStack: [],
     timer: null,
     autoRefresh: false,
-    pageTitle: "",
     version: "",
     isMobile: false,
     reloadTimer: null,
@@ -146,9 +144,6 @@ export const appStore = defineStore({
     setAutoRefresh(auto: boolean) {
       this.autoRefresh = auto;
     },
-    setPageTitle(title: string) {
-      this.pageTitle = title;
-    },
     runEventStack() {
       if (this.timer) {
         clearTimeout(this.timer);
diff --git a/src/store/modules/event.ts b/src/store/modules/event.ts
index e1948cce..bb6ec794 100644
--- a/src/store/modules/event.ts
+++ b/src/store/modules/event.ts
@@ -57,7 +57,7 @@ export const eventStore = defineStore({
       this.instances = [{ value: "", label: "All" }, ...res.data.data.pods] || [{ value: "", label: "All" }];
       return res.data;
     },
-    async getEndpoints() {
+    async getEndpoints(keyword: string) {
       const serviceId = useSelectorStore().currentService ? useSelectorStore().currentService.id : "";
       if (!serviceId) {
         return;
@@ -65,7 +65,7 @@ export const eventStore = defineStore({
       const res: AxiosResponse = await graphql.query("queryEndpoints").params({
         serviceId,
         duration: useAppStoreWithOut().durationTime,
-        keyword: "",
+        keyword: keyword || "",
       });
       if (res.data.errors) {
         return res.data;
diff --git a/src/store/modules/selectors.ts b/src/store/modules/selectors.ts
index 74d62399..4101b850 100644
--- a/src/store/modules/selectors.ts
+++ b/src/store/modules/selectors.ts
@@ -184,7 +184,7 @@ export const selectorStore = defineStore({
         if (isRelation) {
           this.currentDestPod = res.data.data.instance || null;
           this.destPods = [res.data.data.instance];
-          return;
+          return res.data;
         }
         this.currentPod = res.data.data.instance || null;
         this.pods = [res.data.data.instance];
@@ -199,16 +199,16 @@ export const selectorStore = defineStore({
       const res: AxiosResponse = await graphql.query("queryEndpoint").params({
         endpointId,
       });
-      if (!res.data.errors) {
-        if (isRelation) {
-          this.currentDestPod = res.data.data.endpoint || null;
-          this.destPods = [res.data.data.endpoint];
-          return;
-        }
-        this.currentPod = res.data.data.endpoint || null;
-        this.pods = [res.data.data.endpoint];
+      if (res.data.errors) {
+        return res.data;
       }
-
+      if (isRelation) {
+        this.currentDestPod = res.data.data.endpoint || null;
+        this.destPods = [res.data.data.endpoint];
+        return res.data;
+      }
+      this.currentPod = res.data.data.endpoint || null;
+      this.pods = [res.data.data.endpoint];
       return res.data;
     },
     async getProcess(processId: string, isRelation?: boolean) {
@@ -222,7 +222,7 @@ export const selectorStore = defineStore({
         if (isRelation) {
           this.currentDestProcess = res.data.data.process || null;
           this.destProcesses = [res.data.data.process];
-          return;
+          return res.data;
         }
         this.currentProcess = res.data.data.process || null;
         this.processes = [res.data.data.process];
diff --git a/src/store/modules/topology.ts b/src/store/modules/topology.ts
index 50bae018..74bc7e15 100644
--- a/src/store/modules/topology.ts
+++ b/src/store/modules/topology.ts
@@ -24,6 +24,7 @@ import { useAppStoreWithOut } from "@/store/modules/app";
 import type { AxiosResponse } from "axios";
 import query from "@/graphql/fetch";
 import { useQueryTopologyMetrics } from "@/hooks/useMetricsProcessor";
+import { useQueryTopologyExpressionsProcessor } from "@/hooks/useExpressionsProcessor";
 import { ElMessage } from "element-plus";
 
 interface MetricVal {
@@ -114,6 +115,16 @@ export const topologyStore = defineStore({
     setLinkClientMetrics(m: MetricVal) {
       this.linkClientMetrics = m;
     },
+    setLegendValues(expressions: string, data: { [key: string]: any }) {
+      for (let idx = 0; idx < this.nodes.length; idx++) {
+        for (let index = 0; index < expressions.length; index++) {
+          const k = "expression" + idx + index;
+          if (expressions[index]) {
+            this.nodes[idx][expressions[index]] = Number(data[k].results[0].values[0].value);
+          }
+        }
+      }
+    },
     async getDepthServiceTopology(serviceIds: string[], depth: number) {
       const res = await this.getServicesTopology(serviceIds);
       if (depth > 1) {
@@ -321,6 +332,15 @@ export const topologyStore = defineStore({
       this.setNodeMetricValue(res.data.data);
       return res.data;
     },
+    async getNodeExpressionValue(param: { queryStr: string; conditions: { [key: string]: unknown } }) {
+      const res: AxiosResponse = await query(param);
+
+      if (res.data.errors) {
+        return res.data;
+      }
+
+      return res.data;
+    },
     async getLinkClientMetrics(linkClientMetrics: string[]) {
       if (!linkClientMetrics.length) {
         this.setLinkClientMetrics({});
@@ -353,6 +373,29 @@ export const topologyStore = defineStore({
         ElMessage.error(res.errors);
       }
     },
+    async getLinkExpressions(expressions: string[], type: string) {
+      if (!expressions.length) {
+        this.setLinkServerMetrics({});
+        return;
+      }
+      const calls = this.calls.filter((i: Call) => i.detectPoints.includes(type));
+      if (!calls.length) {
+        return;
+      }
+      const { getExpressionQuery, handleExpressionValues } = useQueryTopologyExpressionsProcessor(expressions, calls);
+      const param = getExpressionQuery();
+      const res = await this.getNodeExpressionValue(param);
+      if (res.errors) {
+        ElMessage.error(res.errors);
+        return;
+      }
+      const metrics = handleExpressionValues(res.data);
+      if (type === "SERVER") {
+        this.setLinkServerMetrics(metrics);
+      } else {
+        this.setLinkClientMetrics(metrics);
+      }
+    },
     async queryNodeMetrics(nodeMetrics: string[]) {
       if (!nodeMetrics.length) {
         this.setNodeMetricValue({});
@@ -369,6 +412,28 @@ export const topologyStore = defineStore({
         ElMessage.error(res.errors);
       }
     },
+    async queryNodeExpressions(expressions: string[]) {
+      if (!expressions.length) {
+        this.setNodeMetricValue({});
+        return;
+      }
+      if (!this.nodes.length) {
+        this.setNodeMetricValue({});
+        return;
+      }
+      const { getExpressionQuery, handleExpressionValues } = useQueryTopologyExpressionsProcessor(
+        expressions,
+        this.nodes,
+      );
+      const param = getExpressionQuery();
+      const res = await this.getNodeExpressionValue(param);
+      if (res.errors) {
+        ElMessage.error(res.errors);
+        return;
+      }
+      const metrics = handleExpressionValues(res.data);
+      this.setNodeMetricValue(metrics);
+    },
     async getLegendMetrics(param: { queryStr: string; conditions: { [key: string]: unknown } }) {
       const res: AxiosResponse = await query(param);
 
diff --git a/src/styles/reset.scss b/src/styles/reset.scss
index c447ec45..49262e50 100644
--- a/src/styles/reset.scss
+++ b/src/styles/reset.scss
@@ -212,6 +212,7 @@ div.vis-tooltip {
 div:has(> a.menu-title) {
   display: none;
 }
+
 .el-input-number .el-input__inner {
   text-align: left !important;
 }
diff --git a/src/types/app.d.ts b/src/types/app.d.ts
index c759cfef..e697ae07 100644
--- a/src/types/app.d.ts
+++ b/src/types/app.d.ts
@@ -44,6 +44,8 @@ export type EventParams = {
   dataType: string;
   value: number | any[];
   color: string;
+  event: Record<string, T>;
+  dataIndex: number;
   event: any;
 };
 
diff --git a/src/types/components.d.ts b/src/types/components.d.ts
index cae7912a..9f9c7086 100644
--- a/src/types/components.d.ts
+++ b/src/types/components.d.ts
@@ -6,6 +6,8 @@ import '@vue/runtime-core'
 declare module '@vue/runtime-core' {
   export interface GlobalComponents {
     DateCalendar: typeof import('./../components/DateCalendar.vue')['default']
+    ElBreadcrumb: typeof import('element-plus/es')['ElBreadcrumb']
+    ElBreadcrumbItem: typeof import('element-plus/es')['ElBreadcrumbItem']
     ElButton: typeof import('element-plus/es')['ElButton']
     ElCard: typeof import('element-plus/es')['ElCard']
     ElCollapse: typeof import('element-plus/es')['ElCollapse']
@@ -36,6 +38,7 @@ declare module '@vue/runtime-core' {
     ElSwitch: typeof import('element-plus/es')['ElSwitch']
     ElTable: typeof import('element-plus/es')['ElTable']
     ElTableColumn: typeof import('element-plus/es')['ElTableColumn']
+    ElTag: typeof import('element-plus/es')['ElTag']
     ElTooltip: typeof import('element-plus/es')['ElTooltip']
     Graph: typeof import('./../components/Graph.vue')['default']
     Icon: typeof import('./../components/Icon.vue')['default']
@@ -45,6 +48,7 @@ declare module '@vue/runtime-core' {
     RouterView: typeof import('vue-router')['RouterView']
     Selector: typeof import('./../components/Selector.vue')['default']
     SelectSingle: typeof import('./../components/SelectSingle.vue')['default']
+    Tags: typeof import('./../components/Tags.vue')['default']
     TimePicker: typeof import('./../components/TimePicker.vue')['default']
   }
 }
diff --git a/src/types/profile.d.ts b/src/types/profile.d.ts
index c9d64746..ac7fb79f 100644
--- a/src/types/profile.d.ts
+++ b/src/types/profile.d.ts
@@ -55,8 +55,8 @@ export interface SegmentSpan {
   component: string;
   isError: boolean;
   layer: string;
-  tags: any[];
-  logs: any[];
+  tags: Recordable[];
+  logs: Recordable[];
 }
 
 export interface ProfileTaskCreationRequest {
diff --git a/src/utils/arrayAlgorithm.ts b/src/utils/arrayAlgorithm.ts
new file mode 100644
index 00000000..3baab512
--- /dev/null
+++ b/src/utils/arrayAlgorithm.ts
@@ -0,0 +1,31 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export function deduplication(arr: any, labels: string[]) {
+  const map = new Map();
+  for (const i of arr) {
+    const key = labels
+      .map((d: string) => {
+        return i[d];
+      })
+      .join("");
+    if (!map.has(i[key])) {
+      map.set(i[key], i);
+    }
+  }
+  return [...map.values()];
+}
diff --git a/src/views/Alarm.vue b/src/views/Alarm.vue
index 236e7e18..e541a8ed 100644
--- a/src/views/Alarm.vue
+++ b/src/views/Alarm.vue
@@ -19,12 +19,8 @@ limitations under the License. -->
   </div>
 </template>
 <script lang="ts" setup>
-  import { useAppStoreWithOut } from "@/store/modules/app";
   import Header from "./alarm/Header.vue";
   import Content from "./alarm/Content.vue";
-
-  const appStore = useAppStoreWithOut();
-  appStore.setPageTitle("Alerting");
 </script>
 <style lang="scss" scoped>
   .alarm {
diff --git a/src/views/Event.vue b/src/views/Event.vue
index 5fcd39df..fade863e 100644
--- a/src/views/Event.vue
+++ b/src/views/Event.vue
@@ -19,13 +19,8 @@ limitations under the License. -->
   </div>
 </template>
 <script lang="ts" setup>
-  import { useAppStoreWithOut } from "@/store/modules/app";
   import Header from "./event/Header.vue";
   import Content from "./event/Content.vue";
-
-  const appStore = useAppStoreWithOut();
-
-  appStore.setPageTitle("Events");
 </script>
 <style lang="scss" scoped>
   .event {
diff --git a/src/views/Layer.vue b/src/views/Layer.vue
index a8260375..3f342343 100644
--- a/src/views/Layer.vue
+++ b/src/views/Layer.vue
@@ -24,11 +24,9 @@ limitations under the License. -->
   import { useDashboardStore } from "@/store/modules/dashboard";
   import Dashboard from "./dashboard/Edit.vue";
   import { useI18n } from "vue-i18n";
-  import { useAppStoreWithOut } from "@/store/modules/app";
 
   const route = useRoute();
   const { t } = useI18n();
-  const appStore = useAppStoreWithOut();
   const dashboardStore = useDashboardStore();
   const layer = ref<string>("GENERAL");
 
@@ -44,7 +42,6 @@ limitations under the License. -->
         d.layer === dashboardStore.layerId && [EntityType[0].value, EntityType[1].value].includes(d.entity) && d.isRoot,
     );
     if (!item) {
-      appStore.setPageTitle(dashboardStore.layer);
       dashboardStore.setCurrentDashboard(null);
       dashboardStore.setEntity(EntityType[1].value);
       return;
diff --git a/src/views/Marketplace.vue b/src/views/Marketplace.vue
index 556ae7b6..be1360d1 100644
--- a/src/views/Marketplace.vue
+++ b/src/views/Marketplace.vue
@@ -63,8 +63,6 @@ limitations under the License. -->
   function handleItems(item: MenuOptions) {
     currentItems.value = item;
   }
-
-  appStore.setPageTitle("Marketplace");
 </script>
 <style lang="scss" scoped>
   .menus {
diff --git a/src/views/Settings.vue b/src/views/Settings.vue
index 00beb5e1..86d71a5f 100644
--- a/src/views/Settings.vue
+++ b/src/views/Settings.vue
@@ -66,7 +66,6 @@ limitations under the License. -->
   const utcHour = ref<number>(appStore.utcHour);
   const utcMin = ref<number>(appStore.utcMin);
 
-  appStore.setPageTitle("Setting");
   const handleReload = () => {
     const gap = appStore.duration.end.getTime() - appStore.duration.start.getTime();
     const dates: Date[] = [
diff --git a/src/views/alarm/Content.vue b/src/views/alarm/Content.vue
index 90bf50ee..56001b31 100644
--- a/src/views/alarm/Content.vue
+++ b/src/views/alarm/Content.vue
@@ -142,7 +142,79 @@ limitations under the License. -->
   }
 </script>
 <style lang="scss" scoped>
-  @import url("../components/style.scss");
+  .timeline-table {
+    padding: 30px 20px 20px 40px;
+    flex-grow: 1;
+    overflow: auto;
+    height: 100%;
+  }
+
+  .time-line {
+    padding: 14px 30px;
+    min-height: 63px;
+    max-width: 132px;
+  }
+
+  .timeline-table-i {
+    padding: 10px 15px;
+    border-left: 4px solid #eee;
+    position: relative;
+
+    &::after {
+      content: "";
+      display: inline-block;
+      position: absolute;
+      width: 7px;
+      height: 7px;
+      left: -23px;
+      top: 25px;
+      border-radius: 4px;
+      background-color: #448dfe;
+    }
+
+    &::before {
+      content: "";
+      display: inline-block;
+      position: absolute;
+      width: 1px;
+      height: calc(100% + 11px);
+      top: 0;
+      left: -20px;
+      border-radius: 5px;
+      background-color: #448dfe99;
+    }
+  }
+
+  .timeline-table-i-scope {
+    display: inline-block;
+    padding: 0 8px;
+    border: 1px solid;
+    margin-top: -1px;
+    border-radius: 4px;
+  }
+
+  .timeline-item {
+    cursor: pointer;
+    margin-bottom: 9px;
+  }
+
+  .keys {
+    font-weight: bold;
+    display: inline-block;
+    width: 120px;
+  }
+
+  .source > span {
+    display: inline-block;
+  }
+
+  .source > div {
+    padding-left: 120px;
+  }
+
+  .uuid {
+    width: 280px;
+  }
 
   .tips {
     width: 100%;
@@ -150,4 +222,29 @@ limitations under the License. -->
     text-align: center;
     font-size: $font-size-normal;
   }
+
+  .alarm-detail {
+    max-height: 600px;
+    overflow: auto;
+
+    ul {
+      min-height: 100px;
+      overflow: auto;
+      margin-bottom: 20px;
+    }
+
+    li {
+      cursor: pointer;
+
+      > span {
+        width: 160px;
+        height: 20px;
+        line-height: 20px;
+        text-align: center;
+        display: inline-block;
+        border-bottom: 1px solid $disabled-color;
+        overflow: hidden;
+      }
+    }
+  }
 </style>
diff --git a/src/views/components/ConditionTags.vue b/src/views/components/ConditionTags.vue
index f62629c2..9d33d104 100644
--- a/src/views/components/ConditionTags.vue
+++ b/src/views/components/ConditionTags.vue
@@ -71,7 +71,7 @@ limitations under the License. -->
   import { ElMessage } from "element-plus";
   import { useAppStoreWithOut } from "@/store/modules/app";
 
-  /*global defineEmits, defineProps */
+  /*global defineEmits, defineProps, Recordable */
   const emit = defineEmits(["update"]);
   const props = defineProps({
     type: { type: String, default: "TRACE" },
@@ -118,7 +118,7 @@ limitations under the License. -->
     emit("update", { tagsMap, tagsList: tagsList.value });
   }
   async function fetchTagKeys() {
-    let resp: any = {};
+    let resp: Recordable = {};
     if (props.type === "TRACE") {
       resp = await traceStore.getTagKeys();
     } else {
@@ -137,7 +137,7 @@ limitations under the License. -->
 
   async function fetchTagValues() {
     const param = tags.value.split("=")[0];
-    let resp: any = {};
+    let resp: Recordable = {};
     if (props.type === "TRACE") {
       resp = await traceStore.getTagValues(param);
     } else {
diff --git a/src/views/components/style.scss b/src/views/components/style.scss
deleted file mode 100644
index 179e9fb1..00000000
--- a/src/views/components/style.scss
+++ /dev/null
@@ -1,115 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-.timeline-table {
-  padding: 30px 20px 20px 40px;
-  flex-grow: 1;
-  overflow: auto;
-  height: 100%;
-}
-
-.time-line {
-  padding: 14px 30px;
-  min-height: 63px;
-  max-width: 132px;
-}
-
-.timeline-table-i {
-  padding: 10px 15px;
-  border-left: 4px solid #eee;
-  position: relative;
-
-  &::after {
-    content: "";
-    display: inline-block;
-    position: absolute;
-    width: 7px;
-    height: 7px;
-    left: -23px;
-    top: 25px;
-    border-radius: 4px;
-    background-color: #448dfe;
-  }
-
-  &::before {
-    content: "";
-    display: inline-block;
-    position: absolute;
-    width: 1px;
-    height: calc(100% + 11px);
-    top: 0;
-    left: -20px;
-    border-radius: 5px;
-    background-color: #448dfe99;
-  }
-}
-
-.timeline-table-i-scope {
-  display: inline-block;
-  padding: 0 8px;
-  border: 1px solid;
-  margin-top: -1px;
-  border-radius: 4px;
-}
-
-.timeline-item {
-  cursor: pointer;
-  margin-bottom: 9px;
-}
-
-.alarm-detail {
-  max-height: 600px;
-  overflow: auto;
-
-  ul {
-    min-height: 100px;
-    overflow: auto;
-    margin-bottom: 20px;
-  }
-
-  li {
-    cursor: pointer;
-
-    > span {
-      width: 160px;
-      height: 20px;
-      line-height: 20px;
-      text-align: center;
-      display: inline-block;
-      border-bottom: 1px solid $disabled-color;
-      overflow: hidden;
-    }
-  }
-}
-
-.keys {
-  font-weight: bold;
-  display: inline-block;
-  width: 120px;
-}
-
-.source > span {
-  display: inline-block;
-}
-
-.source > div {
-  padding-left: 120px;
-}
-
-.uuid {
-  width: 280px;
-}
diff --git a/src/views/dashboard/Edit.vue b/src/views/dashboard/Edit.vue
index 88cf5c8f..3d6d523a 100644
--- a/src/views/dashboard/Edit.vue
+++ b/src/views/dashboard/Edit.vue
@@ -41,13 +41,12 @@ limitations under the License. -->
   </div>
 </template>
 <script lang="ts">
-  import { ref, defineComponent } from "vue";
+  import { ref, defineComponent, onUnmounted } from "vue";
   import { useI18n } from "vue-i18n";
   import { useRoute } from "vue-router";
   import GridLayout from "./panel/Layout.vue";
   import Tool from "./panel/Tool.vue";
   import { useDashboardStore } from "@/store/modules/dashboard";
-  import { useAppStoreWithOut } from "@/store/modules/app";
   import Configuration from "./configuration";
   import type { LayoutConfig } from "@/types/dashboard";
   import WidgetLink from "./components/WidgetLink.vue";
@@ -57,7 +56,6 @@ limitations under the License. -->
     components: { ...Configuration, GridLayout, Tool, WidgetLink },
     setup() {
       const dashboardStore = useDashboardStore();
-      const appStore = useAppStoreWithOut();
       const { t } = useI18n();
       const p = useRoute().params;
       const layoutKey = ref<string>(`${p.layerId}_${p.entity}_${p.name}`);
@@ -77,7 +75,6 @@ limitations under the License. -->
         const layout: any = c.configuration || {};
 
         dashboardStore.setLayout(setWidgetsID(layout.children || []));
-        appStore.setPageTitle(layout.name);
         if (p.entity) {
           dashboardStore.setCurrentDashboard({
             layer: p.layerId,
@@ -114,6 +111,10 @@ limitations under the License. -->
         }
       }
 
+      onUnmounted(() => {
+        dashboardStore.setCurrentDashboard({});
+      });
+
       return {
         t,
         handleClick,
diff --git a/src/views/dashboard/List.vue b/src/views/dashboard/List.vue
index 89f9eac0..89cfface 100644
--- a/src/views/dashboard/List.vue
+++ b/src/views/dashboard/List.vue
@@ -135,7 +135,6 @@ limitations under the License. -->
   import { useI18n } from "vue-i18n";
   import { ElMessageBox, ElMessage } from "element-plus";
   import { ElTable } from "element-plus";
-  import { useAppStoreWithOut } from "@/store/modules/app";
   import { useDashboardStore } from "@/store/modules/dashboard";
   import router from "@/router";
   import type { DashboardItem, LayoutConfig } from "@/types/dashboard";
@@ -145,7 +144,6 @@ limitations under the License. -->
 
   /*global Nullable*/
   const { t } = useI18n();
-  const appStore = useAppStoreWithOut();
   const dashboardStore = useDashboardStore();
   const pageSize = 20;
   const dashboards = ref<DashboardItem[]>([]);
@@ -157,7 +155,6 @@ limitations under the License. -->
   const multipleSelection = ref<DashboardItem[]>([]);
   const dashboardFile = ref<Nullable<HTMLDivElement>>(null);
 
-  appStore.setPageTitle("Dashboard List");
   const handleSelectionChange = (val: DashboardItem[]) => {
     multipleSelection.value = val;
   };
diff --git a/src/views/dashboard/New.vue b/src/views/dashboard/New.vue
index 842232bf..d25f70fb 100644
--- a/src/views/dashboard/New.vue
+++ b/src/views/dashboard/New.vue
@@ -53,12 +53,9 @@ limitations under the License. -->
   import { useSelectorStore } from "@/store/modules/selectors";
   import { EntityType } from "./data";
   import { ElMessage } from "element-plus";
-  import { useAppStoreWithOut } from "@/store/modules/app";
   import { useDashboardStore } from "@/store/modules/dashboard";
 
-  const appStore = useAppStoreWithOut();
   const dashboardStore = useDashboardStore();
-  appStore.setPageTitle("Dashboard New");
   const { t } = useI18n();
   const selectorStore = useSelectorStore();
   const states = reactive({
diff --git a/src/views/dashboard/configuration/widget/metric/Index.vue b/src/views/dashboard/configuration/widget/metric/Index.vue
index 5882f67e..ac316047 100644
--- a/src/views/dashboard/configuration/widget/metric/Index.vue
+++ b/src/views/dashboard/configuration/widget/metric/Index.vue
@@ -160,7 +160,7 @@ limitations under the License. -->
     },
   });
   const dashboardStore = useDashboardStore();
-  const isExpression = ref<boolean>(dashboardStore.selectedGrid.metricMode === MetricModes.Expression ? true : false);
+  const isExpression = ref<boolean>(dashboardStore.selectedGrid.metricMode === MetricModes.Expression);
   const metrics = computed(
     () => (isExpression.value ? dashboardStore.selectedGrid.expressions : dashboardStore.selectedGrid.metrics) || [],
   );
diff --git a/src/views/dashboard/data.ts b/src/views/dashboard/data.ts
index 28c0affb..f30b5c15 100644
--- a/src/views/dashboard/data.ts
+++ b/src/views/dashboard/data.ts
@@ -161,6 +161,7 @@ export enum MetricCatalog {
   SERVICE_RELATION = "ServiceRelation",
   SERVICE_INSTANCE_RELATION = "ServiceInstanceRelation",
   ENDPOINT_RELATION = "EndpointRelation",
+  Process = "Process",
   PROCESS_RELATION = "ProcessRelation",
 }
 export const EntityType = [
diff --git a/src/views/dashboard/graphs/InstanceList.vue b/src/views/dashboard/graphs/InstanceList.vue
index d04d47ff..2e3b68cc 100644
--- a/src/views/dashboard/graphs/InstanceList.vue
+++ b/src/views/dashboard/graphs/InstanceList.vue
@@ -294,4 +294,8 @@ limitations under the License. -->
     max-height: 400px;
     overflow: auto;
   }
+
+  .link {
+    color: $active-color;
+  }
 </style>
diff --git a/src/views/dashboard/related/network-profiling/components/Tasks.vue b/src/views/dashboard/related/network-profiling/components/Tasks.vue
index 598350cc..a873a636 100644
--- a/src/views/dashboard/related/network-profiling/components/Tasks.vue
+++ b/src/views/dashboard/related/network-profiling/components/Tasks.vue
@@ -216,7 +216,7 @@ limitations under the License. -->
     width: 330px;
     height: calc(100% - 10px);
     overflow: auto;
-    border-right: 1px solid rgba(0, 0, 0, 0.1);
+    border-right: 1px solid rgb(0 0 0 / 10%);
   }
 
   .item span {
@@ -225,7 +225,7 @@ limitations under the License. -->
 
   .profile-td {
     padding: 10px 5px 10px 10px;
-    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
+    border-bottom: 1px solid rgb(0 0 0 / 7%);
 
     &.selected {
       background-color: #ededed;
@@ -253,13 +253,13 @@ limitations under the License. -->
 
   .profile-tr {
     &:hover {
-      background-color: rgba(0, 0, 0, 0.04);
+      background-color: rgb(0 0 0 / 4%);
     }
   }
 
   .profile-t-tool {
     padding: 10px 5px 10px 10px;
-    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
+    border-bottom: 1px solid rgb(0 0 0 / 7%);
     background: #f3f4f9;
     width: 100%;
   }
diff --git a/src/views/dashboard/related/topology/components/Graph.vue b/src/views/dashboard/related/topology/components/Graph.vue
index 22fc4078..14df6465 100644
--- a/src/views/dashboard/related/topology/components/Graph.vue
+++ b/src/views/dashboard/related/topology/components/Graph.vue
@@ -139,7 +139,7 @@ limitations under the License. -->
   import { useSelectorStore } from "@/store/modules/selectors";
   import { useTopologyStore } from "@/store/modules/topology";
   import { useDashboardStore } from "@/store/modules/dashboard";
-  import { EntityType, DepthList } from "../../../data";
+  import { EntityType, DepthList, MetricModes } from "../../../data";
   import router from "@/router";
   import { ElMessage } from "element-plus";
   import Settings from "./Settings.vue";
@@ -153,6 +153,7 @@ limitations under the License. -->
   import { useQueryTopologyMetrics } from "@/hooks/useMetricsProcessor";
   import { layout, circleIntersection, computeCallPos } from "./utils/layout";
   import zoom from "../../components/utils/zoom";
+  import { useQueryTopologyExpressionsProcessor } from "@/hooks/useExpressionsProcessor";
 
   /*global Nullable, defineProps */
   const props = defineProps({
@@ -220,19 +221,27 @@ limitations under the License. -->
   }
 
   async function update() {
-    topologyStore.queryNodeMetrics(settings.value.nodeMetrics || []);
-    topologyStore.getLinkClientMetrics(settings.value.linkClientMetrics || []);
-    topologyStore.getLinkServerMetrics(settings.value.linkServerMetrics || []);
+    if (settings.value.metricMode === MetricModes.Expression) {
+      topologyStore.queryNodeExpressions(settings.value.nodeExpressions || []);
+      topologyStore.getLinkExpressions(settings.value.linkClientExpressions || []);
+      topologyStore.getLinkExpressions(settings.value.linkServerExpressions || []);
+    } else {
+      topologyStore.queryNodeMetrics(settings.value.nodeMetrics || []);
+      topologyStore.getLinkClientMetrics(settings.value.linkClientMetrics || []);
+      topologyStore.getLinkServerMetrics(settings.value.linkServerMetrics || []);
+    }
+
     window.addEventListener("resize", resize);
     await initLegendMetrics();
     draw();
     tooltip.value = d3.select("#tooltip");
     setNodeTools(settings.value.nodeDashboard);
   }
+
   function draw() {
     const node = findMostFrequent(topologyStore.calls);
     const levels = [];
-    const nodes = topologyStore.nodes.sort((a: Node, b: Node) => {
+    const nodes = JSON.parse(JSON.stringify(topologyStore.nodes)).sort((a: Node, b: Node) => {
       if (a.name.toLowerCase() < b.name.toLowerCase()) {
         return -1;
       }
@@ -352,18 +361,49 @@ limitations under the License. -->
   }
 
   async function initLegendMetrics() {
-    const ids = topologyStore.nodes.map((d: Node) => d.id);
-    const names = props.config.legend.map((d: any) => d.name);
-    if (names.length && ids.length) {
-      const param = await useQueryTopologyMetrics(names, ids);
-      const res = await topologyStore.getLegendMetrics(param);
+    if (!topologyStore.nodes.length) {
+      return;
+    }
+    if (settings.value.metricMode === MetricModes.Expression) {
+      const expression = props.config.legendMQE && props.config.legendMQE.expression;
+      if (!expression) {
+        return;
+      }
+      const { getExpressionQuery } = useQueryTopologyExpressionsProcessor([expression], topologyStore.nodes);
+      const param = getExpressionQuery();
+      const res = await topologyStore.getNodeExpressionValue(param);
       if (res.errors) {
         ElMessage.error(res.errors);
+      } else {
+        topologyStore.setLegendValues([expression], res.data);
+      }
+    } else {
+      const names = props.config.legend.map((d: any) => d.name);
+      if (!names.length) {
+        return;
+      }
+      const ids = topologyStore.nodes.map((d: Node) => d.id);
+      if (ids.length) {
+        const param = await useQueryTopologyMetrics(names, ids);
+        const res = await topologyStore.getLegendMetrics(param);
+        if (res.errors) {
+          ElMessage.error(res.errors);
+        }
       }
     }
   }
+
   function getNodeStatus(d: any) {
-    const legend = settings.value.legend;
+    const { legend, legendMQE } = settings.value;
+    if (settings.value.metricMode === MetricModes.Expression) {
+      if (!legendMQE) {
+        return icons.CUBE;
+      }
+      if (!legendMQE.expression) {
+        return icons.CUBE;
+      }
+      return Number(d[legendMQE.expression]) && d.isReal ? icons.CUBEERROR : icons.CUBE;
+    }
     if (!legend) {
       return icons.CUBE;
     }
@@ -381,7 +421,10 @@ limitations under the License. -->
     return c && d.isReal ? icons.CUBEERROR : icons.CUBE;
   }
   function showNodeTip(event: MouseEvent, data: Node) {
-    const nodeMetrics: string[] = settings.value.nodeMetrics || [];
+    const nodeMetrics: string[] =
+      (settings.value.metricMode === MetricModes.Expression
+        ? settings.value.nodeExpressions
+        : settings.value.nodeMetrics) || [];
     const nodeMetricConfig = settings.value.nodeMetricConfig || [];
     const html = nodeMetrics.map((m, index) => {
       const metric =
@@ -404,10 +447,16 @@ limitations under the License. -->
       .html(tipHtml);
   }
   function showLinkTip(event: MouseEvent, data: Call) {
-    const linkClientMetrics: string[] = settings.value.linkClientMetrics || [];
+    const linkClientMetrics: string[] =
+      settings.value.metricMode === MetricModes.Expression
+        ? settings.value.linkClientExpressions
+        : settings.value.linkClientMetrics || [];
     const linkServerMetricConfig: MetricConfigOpt[] = settings.value.linkServerMetricConfig || [];
     const linkClientMetricConfig: MetricConfigOpt[] = settings.value.linkClientMetricConfig || [];
-    const linkServerMetrics: string[] = settings.value.linkServerMetrics || [];
+    const linkServerMetrics: string[] =
+      settings.value.metricMode === MetricModes.Expression
+        ? settings.value.linkServerExpressions
+        : settings.value.linkServerMetrics || [];
     const htmlServer = linkServerMetrics.map((m, index) => {
       const metric = topologyStore.linkServerMetrics[m].values.find(
         (val: { id: string; value: unknown }) => val.id === data.id,
@@ -667,7 +716,7 @@ limitations under the License. -->
       padding: 0 15px;
       border-radius: 3px;
       color: $disabled-color;
-      border: 1px solid $disabled-color;
+      border: 1px solid #eee;
       background-color: $theme-background;
       box-shadow: #eee 1px 2px 10px;
       transition: all 0.5ms linear;
diff --git a/src/views/dashboard/related/topology/components/Metrics.vue b/src/views/dashboard/related/topology/components/Metrics.vue
index 3296e13e..aeffa3b2 100644
--- a/src/views/dashboard/related/topology/components/Metrics.vue
+++ b/src/views/dashboard/related/topology/components/Metrics.vue
@@ -15,8 +15,10 @@ limitations under the License. -->
 <template>
   <div class="config-panel">
     <div class="item mb-10">
-      <span class="label">{{ t("metrics") }}</span>
-      <SelectSingle :value="currentMetric" :options="metrics" @change="changeMetric" class="selectors" />
+      <span class="label">{{
+        t(dashboardStore.selectedGrid.metricMode === MetricModes.General ? "metrics" : "expressions")
+      }}</span>
+      <SelectSingle :value="currentMetric" :options="metricList" @change="changeMetric" class="selectors" />
     </div>
     <div class="item mb-10">
       <span class="label">{{ t("unit") }}</span>
@@ -38,7 +40,7 @@ limitations under the License. -->
         @change="changeConfigs({ label: currentConfig.label })"
       />
     </div>
-    <div class="item mb-10">
+    <div class="item mb-10" v-if="dashboardStore.selectedGrid.metricMode === MetricModes.General">
       <span class="label">{{ t("aggregation") }}</span>
       <SelectSingle
         :value="currentConfig.calculation"
@@ -54,17 +56,12 @@ limitations under the License. -->
   import { ref, computed, watch } from "vue";
   import type { PropType } from "vue";
   import { useI18n } from "vue-i18n";
-  import { CalculationOpts } from "../../../data";
+  import { CalculationOpts, MetricModes } from "../../../data";
   import { useDashboardStore } from "@/store/modules/dashboard";
-  import type { MetricConfigOpt } from "@/types/dashboard";
   import type { Option } from "element-plus/es/components/select-v2/src/select.types";
 
   /*global defineEmits, defineProps */
   const props = defineProps({
-    currentMetricConfig: {
-      type: Object as PropType<MetricConfigOpt>,
-      default: () => ({ unit: "" }),
-    },
     type: { type: String, default: "" },
     metrics: { type: Array as PropType<string[]>, default: () => [] },
   });
@@ -74,8 +71,8 @@ limitations under the License. -->
   const m = props.metrics.map((d: string) => {
     return { label: d, value: d };
   });
-  const metrics = ref<Option[]>(m.length ? m : [{ label: "", value: "" }]);
-  const currentMetric = ref<string>(metrics.value[0].value);
+  const metricList = ref<Option[]>(m.length ? m : [{ label: "", value: "" }]);
+  const currentMetric = ref<string>(metricList.value[0].value);
   const currentConfig = ref<{ unit: string; calculation: string; label: string }>({
     unit: "",
     calculation: "",
@@ -109,7 +106,7 @@ limitations under the License. -->
   }
   function changeMetric(val: string) {
     currentMetric.value = val;
-    const index = metrics.value.findIndex((d: Option) => d.value === val);
+    const index = metricList.value.findIndex((d: Option) => d.value === val);
     currentIndex.value = index || 0;
     const config = getMetricConfig.value || [];
 
@@ -126,8 +123,8 @@ limitations under the License. -->
       const m = props.metrics.map((d: string) => {
         return { label: d, value: d };
       });
-      metrics.value = m.length ? m : [{ label: "", value: "" }];
-      currentMetric.value = metrics.value[0].value;
+      metricList.value = m.length ? m : [{ label: "", value: "" }];
+      currentMetric.value = metricList.value[0].value;
       const config = getMetricConfig.value || [];
       currentIndex.value = 0;
       currentConfig.value = {
diff --git a/src/views/dashboard/related/topology/components/PodTopology.vue b/src/views/dashboard/related/topology/components/PodTopology.vue
index 114570c4..8db56c0d 100644
--- a/src/views/dashboard/related/topology/components/PodTopology.vue
+++ b/src/views/dashboard/related/topology/components/PodTopology.vue
@@ -22,6 +22,7 @@ limitations under the License. -->
         :options="DepthList"
         placeholder="Select a option"
         @change="changeDepth"
+        size="small"
       />
     </span>
     <span class="switch-icon ml-5" title="Settings" @click="setConfig" v-if="dashboardStore.editMode">
@@ -68,7 +69,7 @@ limitations under the License. -->
   import { useDashboardStore } from "@/store/modules/dashboard";
   import { useSelectorStore } from "@/store/modules/selectors";
   import { useAppStoreWithOut } from "@/store/modules/app";
-  import { EntityType, DepthList } from "../../../data";
+  import { EntityType, DepthList, MetricModes } from "../../../data";
   import { ElMessage } from "element-plus";
   import Sankey from "./Sankey.vue";
   import Settings from "./Settings.vue";
@@ -118,9 +119,15 @@ limitations under the License. -->
     };
     height.value = dom.height - 70;
     width.value = dom.width - 5;
-    topologyStore.getLinkClientMetrics(settings.value.linkClientMetrics || []);
-    topologyStore.getLinkServerMetrics(settings.value.linkServerMetrics || []);
-    topologyStore.queryNodeMetrics(settings.value.nodeMetrics || []);
+    if (settings.value.metricMode === MetricModes.Expression) {
+      topologyStore.queryNodeExpressions(settings.value.nodeExpressions || []);
+      topologyStore.getLinkExpressions(settings.value.linkClientExpressions || []);
+      topologyStore.getLinkExpressions(settings.value.linkServerExpressions || []);
+    } else {
+      topologyStore.getLinkClientMetrics(settings.value.linkClientMetrics || []);
+      topologyStore.getLinkServerMetrics(settings.value.linkServerMetrics || []);
+      topologyStore.queryNodeMetrics(settings.value.nodeMetrics || []);
+    }
   }
 
   function resize() {
@@ -265,7 +272,6 @@ limitations under the License. -->
 <style lang="scss" scoped>
   .sankey {
     margin-top: 10px;
-    background-color: #333840 !important;
     color: #ddd;
   }
 
@@ -275,7 +281,8 @@ limitations under the License. -->
     right: 10px;
     width: 400px;
     height: 600px;
-    background-color: #2b3037;
+    border: 1px solid #eee;
+    background-color: $theme-background;
     overflow: auto;
     padding: 10px 15px;
     border-radius: 3px;
@@ -283,6 +290,7 @@ limitations under the License. -->
     transition: all 0.5ms linear;
     z-index: 99;
     text-align: left;
+    box-shadow: #eee 1px 2px 10px;
   }
 
   .tool {
@@ -299,8 +307,8 @@ limitations under the License. -->
     text-align: center;
     cursor: pointer;
     transition: all 0.5ms linear;
-    background-color: #252a2f99;
-    color: #ddd;
+    background: rgb(0 0 0 / 30%);
+    color: $text-color;
     display: inline-block;
     border-radius: 3px;
   }
diff --git a/src/views/dashboard/related/topology/components/Sankey.vue b/src/views/dashboard/related/topology/components/Sankey.vue
index 51ba4823..156b8302 100644
--- a/src/views/dashboard/related/topology/components/Sankey.vue
+++ b/src/views/dashboard/related/topology/components/Sankey.vue
@@ -23,6 +23,7 @@ limitations under the License. -->
   import type { Node, Call } from "@/types/topology";
   import type { MetricConfigOpt } from "@/types/dashboard";
   import { aggregation } from "@/hooks/useMetricsProcessor";
+  import { MetricModes } from "../../../data";
 
   /*global defineEmits, defineProps */
   const props = defineProps({
@@ -51,16 +52,16 @@ limitations under the License. -->
         data: topologyStore.nodes,
         links: topologyStore.calls,
         label: {
-          color: "#fff",
+          color: "#666",
           formatter: (param: any) => param.data.name,
         },
-        color: ["#3fe1da", "#6be6c1", "#3fcfdc", "#626c91", "#3fbcde", "#a0a7e6", "#3fa9e1", "#96dee8", "#bf99f8"],
+        color: ["#6be6c1", "#3fcfdc", "#626c91", "#3fbcde", "#a0a7e6", "#3fa9e1", "#96dee8", "#bf99f8"],
         itemStyle: {
           borderWidth: 0,
         },
         lineStyle: {
           color: "source",
-          opacity: 0.12,
+          opacity: 0.3,
         },
         tooltip: {
           position: "bottom",
@@ -75,8 +76,14 @@ limitations under the License. -->
     };
   }
   function linkTooltip(data: Call) {
-    const clientMetrics: string[] = Object.keys(topologyStore.linkClientMetrics);
-    const serverMetrics: string[] = Object.keys(topologyStore.linkServerMetrics);
+    const clientMetrics: string[] =
+      props.settings.metricMode === MetricModes.Expression
+        ? props.settings.linkClientExpressions
+        : props.settings.linkClientMetrics;
+    const serverMetrics: string[] =
+      props.settings.metricMode === MetricModes.Expression
+        ? props.settings.linkServerExpressions
+        : props.settings.linkServerMetrics;
     const linkServerMetricConfig: MetricConfigOpt[] = props.settings.linkServerMetricConfig || [];
     const linkClientMetricConfig: MetricConfigOpt[] = props.settings.linkClientMetricConfig || [];
 
@@ -108,7 +115,10 @@ limitations under the License. -->
   }
 
   function nodeTooltip(data: Node) {
-    const nodeMetrics: string[] = Object.keys(topologyStore.nodeMetricValue);
+    const nodeMetrics: string[] =
+      props.settings.metricMode === MetricModes.Expression
+        ? props.settings.nodeExpressions
+        : props.settings.nodeMetrics;
     const nodeMetricConfig = props.settings.nodeMetricConfig || [];
     const html = nodeMetrics.map((m, index) => {
       const metric =
diff --git a/src/views/dashboard/related/topology/components/Settings.vue b/src/views/dashboard/related/topology/components/Settings.vue
index 95d47668..d2074f36 100644
--- a/src/views/dashboard/related/topology/components/Settings.vue
+++ b/src/views/dashboard/related/topology/components/Settings.vue
@@ -13,6 +13,17 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. -->
 <template>
+  <div class="mt-20">
+    <h5 class="title">{{ t("metricMode") }}</h5>
+    <el-switch
+      v-model="isExpression"
+      class="mt-5"
+      active-text="Expressions"
+      inactive-text="General"
+      size="small"
+      @change="changeMetricMode"
+    />
+  </div>
   <div class="link-settings">
     <h5 class="title">{{ t("callSettings") }}</h5>
     <div class="label">{{ t("linkDashboard") }}</div>
@@ -27,16 +38,34 @@ limitations under the License. -->
     />
     <div class="label">
       <span>{{ t("linkServerMetrics") }}</span>
-      <el-popover placement="left" :width="400" trigger="click" v-if="states.linkServerMetrics.length">
+      <el-popover
+        placement="left"
+        :width="400"
+        trigger="click"
+        v-if="isExpression ? states.linkServerExpressions.length : states.linkServerMetrics.length"
+      >
         <template #reference>
           <span @click="setConfigType('linkServerMetricConfig')">
             <Icon class="cp ml-5" iconName="mode_edit" size="middle" />
           </span>
         </template>
-        <Metrics :type="configType" :metrics="states.linkServerMetrics" @update="changeLinkServerMetrics" />
+        <Metrics
+          :type="configType"
+          :metrics="isExpression ? states.linkServerExpressions : states.linkServerMetrics"
+          @update="updateSettings"
+        />
       </el-popover>
     </div>
+    <div v-if="isExpression">
+      <Tags
+        :tags="states.linkServerExpressions"
+        :vertical="true"
+        :text="t('addExpressions')"
+        @change="(param) => changeLinkServerExpressions(param)"
+      />
+    </div>
     <Selector
+      v-else
       class="inputs"
       :multiple="true"
       :value="states.linkServerMetrics"
@@ -48,16 +77,34 @@ limitations under the License. -->
     <span v-show="dashboardStore.entity !== EntityType[2].value">
       <div class="label">
         <span>{{ t("linkClientMetrics") }}</span>
-        <el-popover placement="left" :width="400" trigger="click" v-if="states.linkClientMetrics.length">
+        <el-popover
+          placement="left"
+          :width="400"
+          trigger="click"
+          v-if="isExpression ? states.linkClientExpressions.length : states.linkClientMetrics.length"
+        >
           <template #reference>
             <span @click="setConfigType('linkClientMetricConfig')">
               <Icon class="cp ml-5" iconName="mode_edit" size="middle" />
             </span>
           </template>
-          <Metrics :type="configType" :metrics="states.linkClientMetrics" @update="changeLinkClientMetrics" />
+          <Metrics
+            :type="configType"
+            :metrics="isExpression ? states.linkClientExpressions : states.linkClientMetrics"
+            @update="updateSettings"
+          />
         </el-popover>
       </div>
+      <div v-if="isExpression">
+        <Tags
+          :tags="states.linkClientExpressions"
+          :vertical="true"
+          :text="t('addExpressions')"
+          @change="(param) => changeLinkClientExpressions(param)"
+        />
+      </div>
       <Selector
+        v-else
         class="inputs"
         :multiple="true"
         :value="states.linkClientMetrics"
@@ -110,16 +157,34 @@ limitations under the License. -->
     </div>
     <div class="label">
       <span>{{ t("nodeMetrics") }}</span>
-      <el-popover placement="left" :width="400" trigger="click" v-if="states.nodeMetrics.length">
+      <el-popover
+        placement="left"
+        :width="400"
+        trigger="click"
+        v-if="isExpression ? states.nodeExpressions.length : states.nodeMetrics.length"
+      >
         <template #reference>
           <span @click="setConfigType('nodeMetricConfig')">
             <Icon class="cp ml-5" iconName="mode_edit" size="middle" />
           </span>
         </template>
-        <Metrics :type="configType" :metrics="states.nodeMetrics" @update="changeNodeMetrics" />
+        <Metrics
+          :type="configType"
+          :metrics="isExpression ? states.nodeExpressions : states.nodeMetrics"
+          @update="updateSettings"
+        />
       </el-popover>
     </div>
+    <div v-if="isExpression">
+      <Tags
+        :tags="states.nodeExpressions"
+        :vertical="true"
+        :text="t('addExpressions')"
+        @change="(param) => changeNodeExpressions(param)"
+      />
+    </div>
     <Selector
+      v-else
       class="inputs"
       :multiple="true"
       :value="states.nodeMetrics"
@@ -131,8 +196,26 @@ limitations under the License. -->
   </div>
   <div class="legend-settings" v-show="isService">
     <h5 class="title">{{ t("legendSettings") }}</h5>
-    <div class="label">{{ t("conditions") }}</div>
-    <div v-for="(metric, index) of legend.metric" :key="metric.name + index">
+    <span v-if="isExpression">
+      <div class="label">Healthy Description</div>
+      <el-input v-model="description.healthy" placeholder="Please input description" size="small" class="mt-5" />
+    </span>
+    <div class="label">
+      <span>{{ t(isExpression ? "unhealthyExpression" : "conditions") }}</span>
+      <el-tooltip
+        class="cp"
+        v-if="isExpression"
+        content="The node would be red to indicate unhealthy status when the expression return greater than 0"
+      >
+        <span>
+          <Icon class="icon-help ml-5" iconName="help" size="small" />
+        </span>
+      </el-tooltip>
+    </div>
+    <div v-if="isExpression">
+      <el-input v-model="legendMQE.expression" placeholder="Please input a expression" size="small" class="inputs" />
+    </div>
+    <div v-for="(metric, index) of legend" :key="index" v-else>
       <Selector
         class="item"
         :value="metric.name"
@@ -163,14 +246,16 @@ limitations under the License. -->
           class="cp"
           iconName="add_circle_outlinecontrol_point"
           size="middle"
-          v-show="index === legend.metric.length - 1 && legend.metric.length < 5"
+          v-show="index === legend.length - 1 && legend.length < 5"
           @click="addMetric"
         />
       </span>
-      <div v-show="index !== legend.metric.length - 1">&&</div>
+      <div v-show="index !== legend.length - 1">&&</div>
     </div>
-    <div class="label">Healthy Description</div>
-    <el-input v-model="description.healthy" placeholder="Please input description" size="small" class="mt-5" />
+    <span v-if="!isExpression">
+      <div class="label">Healthy Description</div>
+      <el-input v-model="description.healthy" placeholder="Please input description" size="small" class="mt-5" />
+    </span>
     <div class="label">Unhealthy Description</div>
     <el-input v-model="description.unhealthy" placeholder="Please input description" size="small" class="mt-5" />
     <el-button @click="setLegend" class="legend-btn" size="small" type="primary">
@@ -184,12 +269,20 @@ limitations under the License. -->
   import { useDashboardStore } from "@/store/modules/dashboard";
   import { useTopologyStore } from "@/store/modules/topology";
   import { ElMessage } from "element-plus";
-  import { MetricCatalog, ScopeType, MetricConditions } from "../../../data";
+  import {
+    MetricCatalog,
+    ScopeType,
+    MetricConditions,
+    EntityType,
+    LegendOpt,
+    MetricsType,
+    MetricModes,
+  } from "../../../data";
   import type { Option } from "@/types/app";
   import { useQueryTopologyMetrics } from "@/hooks/useMetricsProcessor";
+  import { useQueryTopologyExpressionsProcessor } from "@/hooks/useExpressionsProcessor";
   import type { Node } from "@/types/topology";
   import type { DashboardItem, MetricConfigOpt } from "@/types/dashboard";
-  import { EntityType, LegendOpt, MetricsType } from "../../../data";
   import Metrics from "./Metrics.vue";
 
   /*global defineEmits */
@@ -198,6 +291,7 @@ limitations under the License. -->
   const dashboardStore = useDashboardStore();
   const topologyStore = useTopologyStore();
   const { selectedGrid } = dashboardStore;
+  const isExpression = ref<boolean>(dashboardStore.selectedGrid.metricMode === MetricModes.Expression);
   const nodeDashboard =
     selectedGrid.nodeDashboard && selectedGrid.nodeDashboard.length ? selectedGrid.nodeDashboard : "";
   const isService = [EntityType[0].value, EntityType[1].value].includes(dashboardStore.entity);
@@ -220,6 +314,9 @@ limitations under the License. -->
     linkMetricList: Option[];
     linkDashboards: (DashboardItem & { label: string; value: string })[];
     nodeDashboards: (DashboardItem & { label: string; value: string })[];
+    linkServerExpressions: string[];
+    linkClientExpressions: string[];
+    nodeExpressions: string[];
   }>({
     linkDashboard: selectedGrid.linkDashboard || "",
     nodeDashboard: selectedGrid.nodeDashboard || [],
@@ -230,13 +327,15 @@ limitations under the License. -->
     linkMetricList: [],
     linkDashboards: [],
     nodeDashboards: [],
+    linkServerExpressions: selectedGrid.linkServerExpressions || [],
+    linkClientExpressions: selectedGrid.linkClientExpressions || [],
+    nodeExpressions: selectedGrid.nodeExpressions || [],
   });
   const l = selectedGrid.legend && selectedGrid.legend.length;
-  const legend = reactive<{
-    metric: { name: string; condition: string; value: string }[];
-  }>({
-    metric: l ? selectedGrid.legend : [{ name: "", condition: "", value: "" }],
-  });
+  const legend = ref<{ name: string; condition: string; value: string }[]>(
+    l ? selectedGrid.legend : [{ name: "", condition: "", value: "" }],
+  );
+  const legendMQE = ref<{ expression: string }>(selectedGrid.legendMQE || { expression: "" });
   const configType = ref<string>("");
   const description = reactive<any>(selectedGrid.description || {});
 
@@ -285,18 +384,35 @@ limitations under the License. -->
   }
   async function setLegend() {
     updateSettings();
-    const ids = topologyStore.nodes.map((d: Node) => d.id);
-    const names = dashboardStore.selectedGrid.legend.map((d: any) => d.name);
-    if (!names.length) {
-      emit("updateNodes");
-      return;
-    }
-    const param = await useQueryTopologyMetrics(names, ids);
-    const res = await topologyStore.getLegendMetrics(param);
+    if (isExpression.value) {
+      const expression = dashboardStore.selectedGrid.legendMQE && dashboardStore.selectedGrid.legendMQE.expression;
+      if (!expression) {
+        emit("updateNodes");
+        return;
+      }
+      const { getExpressionQuery } = useQueryTopologyExpressionsProcessor([expression], topologyStore.nodes);
+      const param = getExpressionQuery();
+      const res = await topologyStore.getNodeExpressionValue(param);
+      if (res.errors) {
+        ElMessage.error(res.errors);
+      } else {
+        topologyStore.setLegendValues([expression], res.data);
+      }
+    } else {
+      const names = dashboardStore.selectedGrid.legend.map((d: any) => d.name && d.condition && d.value);
+      if (!names.length) {
+        emit("updateNodes");
+        return;
+      }
+      const ids = topologyStore.nodes.map((d: Node) => d.id);
+      const param = await useQueryTopologyMetrics(names, ids);
+      const res = await topologyStore.getLegendMetrics(param);
 
-    if (res.errors) {
-      ElMessage.error(res.errors);
+      if (res.errors) {
+        ElMessage.error(res.errors);
+      }
     }
+
     emit("updateNodes");
   }
   function changeNodeDashboard(opt: any) {
@@ -308,7 +424,7 @@ limitations under the License. -->
     updateSettings();
   }
   function changeLegend(type: string, opt: any, index: number) {
-    (legend.metric[index] as any)[type] = opt[0].value || opt;
+    (legend.value[index] as any)[type] = opt[0].value || opt;
   }
   function changeScope(index: number, opt: Option[] | any) {
     items[index].scope = opt[0].value;
@@ -340,7 +456,13 @@ limitations under the License. -->
     updateSettings();
   }
   function updateSettings(metricConfig?: { [key: string]: MetricConfigOpt[] }) {
-    const metrics = legend.metric.filter((d: any) => d.name && d.value && d.condition);
+    let metrics = [];
+    if (isExpression.value) {
+      metrics = legend.value.filter((d: any) => d.name);
+    } else {
+      metrics = legend.value.filter((d: any) => d.name && d.value && d.condition);
+    }
+
     const param = {
       ...dashboardStore.selectedGrid,
       linkDashboard: states.linkDashboard,
@@ -350,7 +472,12 @@ limitations under the License. -->
       linkServerMetrics: states.linkServerMetrics,
       linkClientMetrics: states.linkClientMetrics,
       nodeMetrics: states.nodeMetrics,
+      linkServerExpressions: states.linkServerExpressions,
+      linkClientExpressions: states.linkClientExpressions,
+      nodeExpressions: states.nodeExpressions,
+      metricMode: isExpression.value ? MetricModes.Expression : MetricModes.General,
       legend: metrics,
+      legendMQE: legendMQE.value,
       ...metricConfig,
       description,
     };
@@ -378,6 +505,30 @@ limitations under the License. -->
     }
     topologyStore.getLinkServerMetrics(states.linkServerMetrics);
   }
+  function changeLinkServerExpressions(param: string[]) {
+    if (!isExpression.value) {
+      return;
+    }
+    states.linkServerExpressions = param;
+    updateSettings();
+    if (!states.linkServerExpressions.length) {
+      topologyStore.setLinkServerMetrics({});
+      return;
+    }
+    topologyStore.getLinkExpressions(states.linkServerExpressions, "SERVER");
+  }
+  function changeLinkClientExpressions(param: string[]) {
+    if (!isExpression.value) {
+      return;
+    }
+    states.linkClientExpressions = param;
+    updateSettings();
+    if (!states.linkClientExpressions.length) {
+      topologyStore.changeLinkClientMetrics({});
+      return;
+    }
+    topologyStore.getLinkExpressions(states.linkClientExpressions, "CLIENT");
+  }
   function updateLinkClientMetrics(options: Option[] | any) {
     const opt = options.map((d: Option) => d.value);
     const index = states.linkClientMetrics.findIndex((d: any) => !opt.includes(d));
@@ -419,18 +570,49 @@ limitations under the License. -->
     topologyStore.queryNodeMetrics(states.nodeMetrics);
   }
   function deleteMetric(index: number) {
-    if (legend.metric.length === 1) {
-      legend.metric = [{ name: "", condition: "", value: "" }];
+    if (legend.value.length === 1) {
+      legend.value = [{ name: "", condition: "", value: "" }];
       return;
     }
-    legend.metric.splice(index, 1);
+    legend.value.splice(index, 1);
   }
   function addMetric() {
-    legend.metric.push({ name: "", condition: "", value: "" });
+    legend.value.push({ name: "", condition: "", value: "" });
   }
   function setConfigType(type: string) {
     configType.value = type;
   }
+  function changeNodeExpressions(param: string[]) {
+    if (!isExpression.value) {
+      return;
+    }
+    states.nodeExpressions = param;
+    updateSettings();
+    if (!states.nodeExpressions.length) {
+      topologyStore.setNodeMetricValue({});
+      return;
+    }
+    topologyStore.queryNodeExpressions(states.nodeExpressions);
+  }
+  function changeMetricMode() {
+    legend.value = [{ name: "", condition: "", value: "" }];
+    const config = {
+      linkServerMetricConfig: [],
+      linkClientMetricConfig: [],
+      nodeMetricConfig: [],
+    };
+    if (isExpression.value) {
+      states.linkServerMetrics = [];
+      states.linkClientMetrics = [];
+      states.nodeMetrics = [];
+    } else {
+      states.linkServerExpressions = [];
+      states.linkClientExpressions = [];
+      states.nodeExpressions = [];
+    }
+
+    updateSettings(config);
+  }
 </script>
 <style lang="scss" scoped>
   .link-settings {
@@ -442,6 +624,11 @@ limitations under the License. -->
     width: 355px;
   }
 
+  .legend-inputs {
+    margin-top: 8px;
+    width: 310px;
+  }
+
   .item {
     width: 130px;
     margin-top: 5px;
@@ -453,13 +640,14 @@ limitations under the License. -->
   }
 
   .title {
-    margin-bottom: 0;
     color: #666;
+    margin-bottom: 0;
   }
 
   .label {
     font-size: $font-size-smaller;
     margin-top: 10px;
+    color: #666;
   }
 
   .legend-btn {