修改一个无关紧要的bug

@@ -11,6 +11,6 @@ class Area extends Model
 
 
     public function listByCode($code)
     public function listByCode($code)
     {
     {
-        return $this->where(['provinceCode' => ['=', $code]])->select();
+        return $this->where(['cityCode' => ['=', $code]])->select();
     }
     }
 }
 }