diff --git a/package-lock.json b/package-lock.json
index a388a03a..40152bd4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,6 @@
         "echarts": "^5.2.2",
         "element-plus": "^2.2.5",
         "lodash": "^4.17.21",
-        "mitt": "^3.0.1",
         "monaco-editor": "^0.34.1",
         "pinia": "^2.0.28",
         "vis-timeline": "^7.5.1",
@@ -9751,9 +9750,9 @@
       }
     },
     "node_modules/mitt": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmmirror.com/mitt/-/mitt-3.0.1.tgz",
-      "integrity": "sha512-vKivATfr97l2/QBCYAkXYDbrIWPM2IIKEl7YPhjCvKlG3kE2gm+uBo6nEXK3M5/Ffh/FLpKExzOQ3JJoJGFKBw=="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mitt/-/mitt-2.1.0.tgz",
+      "integrity": "sha512-ILj2TpLiysu2wkBbWjAmww7TkZb65aiQO+DkVdUTBpBXq+MHYiETENkKFMtsJZX1Lf4pe4QOrTSjIfUwN5lRdg=="
     },
     "node_modules/mixin-deep": {
       "version": "1.3.2",
@@ -14820,11 +14819,6 @@
         "mitt": "^2.1.0"
       }
     },
-    "node_modules/vue-grid-layout/node_modules/mitt": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmmirror.com/mitt/-/mitt-2.1.0.tgz",
-      "integrity": "sha512-ILj2TpLiysu2wkBbWjAmww7TkZb65aiQO+DkVdUTBpBXq+MHYiETENkKFMtsJZX1Lf4pe4QOrTSjIfUwN5lRdg=="
-    },
     "node_modules/vue-i18n": {
       "version": "9.2.2",
       "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-9.2.2.tgz",
@@ -22292,9 +22286,9 @@
       }
     },
     "mitt": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmmirror.com/mitt/-/mitt-3.0.1.tgz",
-      "integrity": "sha512-vKivATfr97l2/QBCYAkXYDbrIWPM2IIKEl7YPhjCvKlG3kE2gm+uBo6nEXK3M5/Ffh/FLpKExzOQ3JJoJGFKBw=="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mitt/-/mitt-2.1.0.tgz",
+      "integrity": "sha512-ILj2TpLiysu2wkBbWjAmww7TkZb65aiQO+DkVdUTBpBXq+MHYiETENkKFMtsJZX1Lf4pe4QOrTSjIfUwN5lRdg=="
     },
     "mixin-deep": {
       "version": "1.3.2",
@@ -25859,13 +25853,6 @@
         "@interactjs/modifiers": "^1.10.2",
         "element-resize-detector": "^1.2.1",
         "mitt": "^2.1.0"
-      },
-      "dependencies": {
-        "mitt": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmmirror.com/mitt/-/mitt-2.1.0.tgz",
-          "integrity": "sha512-ILj2TpLiysu2wkBbWjAmww7TkZb65aiQO+DkVdUTBpBXq+MHYiETENkKFMtsJZX1Lf4pe4QOrTSjIfUwN5lRdg=="
-        }
       }
     },
     "vue-i18n": {
diff --git a/package.json b/package.json
index c6b35cbb..beca5ae2 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,6 @@
     "echarts": "^5.2.2",
     "element-plus": "^2.2.5",
     "lodash": "^4.17.21",
-    "mitt": "^3.0.1",
     "monaco-editor": "^0.34.1",
     "pinia": "^2.0.28",
     "vis-timeline": "^7.5.1",
diff --git a/src/main.ts b/src/main.ts
index d4dbbf7a..d051bb83 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -22,7 +22,6 @@ import i18n from "./locales";
 import { useAppStoreWithOut } from "@/store/modules/app";
 import "./styles/index.ts";
 import "virtual:svg-icons-register";
-import mitt from "mitt";
 
 const app = createApp(App);
 const appStore = useAppStoreWithOut();
@@ -30,7 +29,6 @@ const appStore = useAppStoreWithOut();
 app.use(components);
 app.use(i18n);
 app.use(store);
-app.config.globalProperties.$mybus = mitt();
 mountApp();
 
 async function mountApp() {