update README.md.

README.md

@@ -208,6 +208,34 @@ public class DemoApplication {
     }
 }
 ```
+##### 场景中依赖的实体类结构
+```
+class ApiResult {
+    private String _mobile;
+    private Result result;
+
+    public ApiResult(String _mobile, Result result) {
+        this._mobile = _mobile;
+        this.result = result;
+    }
+
+    setter...
+    getter...
+}
+
+class Result {
+    private String _email;
+    private String _mobile;
+
+    public Result(String _email, String _mobile) {
+        this._email = _email;
+        this._mobile = _mobile;
+    }
+
+    setter...
+    getter...
+}
+```
 
 #### 参与贡献