fix: 升级时前端config.js覆盖问题

pkg.sh

@@ -53,9 +53,7 @@ if [ -n "$BuildWeb" ]; then
   npm run build
   
   output=$BuildDir/linux/usr/local/etc/omc/web
-  rm -rf $output
-  cp -rf dist/default/config.js dist/config.js
-  cp -rf dist $output
+  rm -rf $output && cp -rf dist $output
   echo "===> web build dist copy to $output"
 fi