diff --git a/README.md b/README.md
index 55eecad..ae544ed 100644
--- a/README.md
+++ b/README.md
@@ -367,20 +367,15 @@ git clone https://github.com/docmirror/dev-sidecar
 cd dev-sidecar
 
 # 注意不要使用 `npm install` 来安装依赖，因为 `lerna bootstrap` 会自动安装依赖
-# lerna bootstrap
+lerna bootstrap
 # 如果 `lerna bootstrap` 有报错，可以尝试执行如下两行命令，用yarn替换掉npm：
-# 感觉yarn的速度会更快
-cnpm install -g yarn
-lerna bootstrap --npm-client=yarn
+#cnpm install -g yarn
+#lerna bootstrap --npm-client=yarn
 
 # 运行DevSidecar
 cd packages/gui
 npm run electron
 
-# 修改.yarnrc文件设置，切换镜像源
-registry=https://registry.npmmirror.com/
-electron_mirror=https://npmmirror.com/mirrors/electron/
-electron_builder_binaries_mirror=https://npmmirror.com/mirrors/electron-builder-binaries/
 ```
 > 如果electron依赖包下载不动，可以开启ds的npm加速
 
diff --git a/packages/gui/package.json b/packages/gui/package.json
index f5c18f2..12f3648 100644
--- a/packages/gui/package.json
+++ b/packages/gui/package.json
@@ -3,7 +3,7 @@
   "version": "1.8.9",
   "private": false,
   "license": "MPL-2.0",
-  "main": "index.js",
+  "main": "background.js",
   "scripts": {
     "serve": "vue-cli-service serve",
     "lint": "vue-cli-service lint",