fix hotfix

@@ -31,7 +31,17 @@ const hotfix = {
 
         http.get(apiFile, response => {
             res.setHeader('Content-Type', 'application/json');
-            response.pipe(res);
+
+            if (response.statusCode === 200) {
+                response.pipe(res);
+            } else {
+                return res.json({
+                    code: 400,
+                    message: 'client_type or app_version error',
+                    data: {}
+                });
+            }
+
         }).on('error', err => {
             logger.error('hot fix v1 error:', err);
             return res.json({