修改

Scripts/box/chavy.boxjs.js

@@ -468,7 +468,7 @@ function getUserCfgs() {
     http_backend: ''
   }
   const usercfgs = Object.assign(defcfgs, $.getjson($.KEY_usercfgs, {}))
-  defcfgs.http_backend = '';
+  usercfgs.http_backend = '';
 
   // 处理异常数据：删除所有为 null 的订阅
   if (usercfgs.appsubs.includes(null)) {