diff --git a/index.html b/index.html
index ecdd57f42..9a734e243 100644
--- a/index.html
+++ b/index.html
@@ -82,6 +82,7 @@
       </div>
     </div>
     <script>
+      // 此代码仅用于开发环境的友好提示，项目打包前请去掉这段js代码 This code is only used as a friendly reminder of the development environment, please remove this js code before packaging the project
       window.onload = function () {
         (function () {
           const ua = navigator.userAgent.toLowerCase();
@@ -97,16 +98,18 @@
 
           const el = document.querySelector("._develop");
 
-          if (browser && version >= 90) {
-            let success =
-              document.createTextNode("当前浏览器版本很适合开发！！！ 😃");
-            el.appendChild(success);
-          } else {
-            let warn = document.createTextNode(
-              "当前浏览器版本不适合开发，建议使用最新版本的谷歌或者火狐浏览器！！！😯"
-            );
-            el.appendChild(warn);
-            el.style.color = "red";
+          if (el) {
+            if (browser && version >= 90) {
+              let success =
+                document.createTextNode("当前浏览器版本很适合开发！！！ 😃");
+              el.appendChild(success);
+            } else {
+              let warn = document.createTextNode(
+                "当前浏览器版本不适合开发，建议使用最新版本的谷歌或者火狐浏览器！！！😯"
+              );
+              el.appendChild(warn);
+              el.style.color = "red";
+            }
           }
           return Sys;
         })();
diff --git a/package-lock.json b/package-lock.json
index da1a30ef3..6b317b687 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -65,6 +65,7 @@
         "postcss": "^8.2.6",
         "postcss-import": "^14.0.0",
         "prettier": "^2.3.2",
+        "rimraf": "^3.0.2",
         "sass": "^1.38.0",
         "sass-loader": "^12.1.0",
         "typescript": "^4.2.4",
diff --git a/package.json b/package.json
index c3c2b316d..414fa3686 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "dev": "cross-env --max_old_space_size=4096 vite",
     "serve": "cross-env --max_old_space_size=4096 vite",
-    "build": "cross-env vite build",
+    "build": "rimraf dist && cross-env vite build",
     "preview": "vite preview",
     "preview:build": "npm run build && vite preview",
     "lint": "eslint --ext .js,.jsx,.vue,.ts,.tsx src",
@@ -76,6 +76,7 @@
     "postcss": "^8.2.6",
     "postcss-import": "^14.0.0",
     "prettier": "^2.3.2",
+    "rimraf": "^3.0.2",
     "sass": "^1.38.0",
     "sass-loader": "^12.1.0",
     "typescript": "^4.2.4",
diff --git a/public/pay.jpg b/public/pay.jpg
deleted file mode 100644
index f97cd2ea3..000000000
Binary files a/public/pay.jpg and /dev/null differ
diff --git a/public/wechat.jpg b/public/wechat.jpg
deleted file mode 100644
index 5943ccbae..000000000
Binary files a/public/wechat.jpg and /dev/null differ
diff --git a/vite.config.ts b/vite.config.ts
index e6d2c95ae..0169ae7f4 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -84,6 +84,7 @@ export default ({ command }: ConfigEnv): UserConfigExport => {
       ]
     },
     build: {
+      sourcemap: false,
       brotliSize: false,
       // 消除打包大小超过500kb警告
       chunkSizeWarningLimit: 2000