gx

@@ -157,7 +157,10 @@ class ComController extends BaseController
             ->where('updated_date','>=',$startTime)
             ->where('updated_date','<=',$endTime)
             ->orderByDesc('count')->limit(8)->get()->toArray();
-        return json_encode($data);
+        if(!empty($data)){
+            $data = json_encode($data);
+        }
+        return $data;
     }
 
     /**