更新README.md文件

README.md

@@ -86,6 +86,18 @@ GOPROXY=https://goproxy.cn/,direct go install github.com/devttl/goctl-swagger@la
     goctl api plugin -plugin goctl-swagger="swagger -filename user.json" -api user.api -dir .
     ```
 
+* -pack 开启外层响应包装并指定外层响应结构名称
+
+    ```bash
+    goctl api plugin -plugin goctl-swagger='swagger -filename user.json -pack Response' -api user.api -dir .
+    ```
+
+- 使用 -response指定相应结构
+
+  ```bash
+goctl api plugin -plugin goctl-swagger='swagger -filename user.json -pack Response -response "[{\"name\":\"trace_id\",\"type\":\"string\",\"description\":\"链路追踪id\"},{\"name\":\"code\",\"type\":\"integer\",\"description\":\"状态码\"},{\"name\":\"msg\",\"type\":\"string\",\"description\":\"消息\"},{\"name\":\"data\",\"type\":\"object\",\"description\":\"数据\",\"is_data\":true}]";' -api user.api -dir .
+    ```
+
 * 指定Host，basePath，schemes [api-host-and-base-path](https://swagger.io/docs/specification/2-0/api-host-and-base-path/)
 
     ```shell script
@@ -107,4 +119,4 @@ GOPROXY=https://goproxy.cn/,direct go install github.com/devttl/goctl-swagger@la
       -l "$l" \
       -o "/go-work/clients/$l"
   done
-   ```
+  ```