diff --git a/electron-builder.json b/electron-builder.json
index 59a37b2b..41bc3fc3 100644
--- a/electron-builder.json
+++ b/electron-builder.json
@@ -20,6 +20,7 @@
   },
   "win": {
     "target": ["zip", "nsis"],
+    "requestedExecutionLevel": "requireAdministrator",
     "icon": "./dist/ucap-webmessenger-electron/resources/image/16_16.ico"
   },
   "linux": {
@@ -30,7 +31,8 @@
     "oneClick": true,
     "allowToChangeInstallationDirectory": false,
     "perMachine": false,
-    "differentialPackage": true
+    "differentialPackage": true,
+    "deleteAppDataOnUninstall": true
   },
   "directories": {
     "buildResources": "./dist/ucap-webmessenger-electron/resources/installer/",