diff --git a/src/utils/file.ts b/src/utils/file.ts
index 0902bf8d..2e8b5254 100644
--- a/src/utils/file.ts
+++ b/src/utils/file.ts
@@ -37,8 +37,10 @@ export const saveFile = (data: any, name: string) => {
   tagA.download = name;
   tagA.style.display = "none";
   const blob = new Blob([newData]);
-  tagA.href = URL.createObjectURL(blob);
+  const url = URL.createObjectURL(blob);
+  tagA.href = url;
   document.body.appendChild(tagA);
   tagA.click();
   document.body.removeChild(tagA);
+  URL.revokeObjectURL(url);
 };
diff --git a/src/views/dashboard/panel/Layout.vue b/src/views/dashboard/panel/Layout.vue
index 9a93aae4..5c9965a8 100644
--- a/src/views/dashboard/panel/Layout.vue
+++ b/src/views/dashboard/panel/Layout.vue
@@ -77,7 +77,7 @@ limitations under the License. -->
         }
       }
       async function queryMetrics() {
-        const widgets = [];
+        const widgets: LayoutConfig[] = [];
         for (const item of dashboardStore.layout) {
           if (item.type === WidgetType.Widget) {
             if (!ListChartTypes.includes(item.graph?.type || "")) {