bug修改

@@ -85,8 +85,11 @@ class UserSize extends Model
         if(!empty($data['body_info']) && is_array($data['body_info'])){
             $data['body_info'] = json_encode($data['body_info']);
         }
-        return $this->allowField(true)
-            ->save($data);
+        // 没有默认收货地址，就把该收货地址设为默认
+        if(!$this->get(['user_id'=>$this['user_id'],'isdefault'=>'1'])){
+            $data['isdefault'] = '1';
+        }
+        return $this->allowField(true)->save($data);
     }
 
     /**