修改pro配置

package.json

@@ -6,7 +6,7 @@
     "serve": "vue-cli-service serve",
     "dev": "vue-cli-service build",
     "test": "vue-cli-service build --mode testing",
-    "build": "vue-cli-service build",
+    "pro": "vue-cli-service build --mode production",
     "lint": "vue-cli-service lint"
   },
   "dependencies": {