diff --git a/src/main/window-manager/index.ts b/src/main/window-manager/index.ts
index 42fd81c..45f93ab 100644
--- a/src/main/window-manager/index.ts
+++ b/src/main/window-manager/index.ts
@@ -129,13 +129,6 @@ class WindowManager implements IWindowManager {
         initUrl.hash = `/main/musicsheet/${localPluginName}/favorite`;
         mainWindow.loadURL(initUrl.toString()).then(voidCallback);
 
-        // 3. 开发者工具
-        if (!app.isPackaged) {
-            mainWindow.on("ready-to-show", () => {
-                mainWindow.webContents.openDevTools();
-            });
-        }
-
         // 4. 主窗口http hack逻辑
         mainWindow.webContents.session.webRequest.onBeforeSendHeaders(
             (details, callback) => {