修改：github actions複製index.html改404.html 交由package build

Author: xuczxc100

.github/workflows/main.yml

@@ -13,8 +13,6 @@ jobs:
       run: npm install
     - name: 打包
       run: npm run build
-    - name: 複製 index.html 到"/"改名404.html
-      run: cp dist/index.html dist/404.html
     - name: 發布分支 Web-Page
       uses: JamesIves/github-pages-deploy-action@v4
       with: 

package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "build": "vite build",
+    "build": "vite build && cp dist/index.html dist/404.html",
     "preview": "vite preview"
   },
   "dependencies": {