add server

manage-server/app/Http/Controllers/CommonController.php

         $json_string = $disk->get("server.json");
         // 用参数true把JSON字符串强制转成PHP数组  
         $data = json_decode($json_string, true);  
-        return Response()->json([
-                "status" => 0,
-                "data" => $data
-            ]);
+        return Response()->json($data);
     }
 }