diff --git a/build/icons/icon.ico b/build/icons/icon.ico
index ee72102..d363408 100644
Binary files a/build/icons/icon.ico and b/build/icons/icon.ico differ
diff --git a/installer.nsh b/installer.nsh
new file mode 100644
index 0000000..f3f9523
--- /dev/null
+++ b/installer.nsh
@@ -0,0 +1,3 @@
+!macro customInit
+DeleteRegKey HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\org.langye.sqhj-workbench-pc"
+!macroend
diff --git a/package.json b/package.json
index 071792e..f1160ea 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "appId": "org.langye.sqhj-workbench-pc",
     "nsis": {
       "guid": "org.langye.sqhj-workbench-pc",
-      "include": "build/installer.nsh"
+      "include": "installer.nsh"
     },
     "directories": {
       "output": "build"