diff --git a/README.md b/README.md
index 14918af..f570f3b 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,22 @@ operation.open();
 在开启后，可以在企业数据的"数据导入"菜单看到如下图所示的API数据源入口
 ![api_datasource](/screenshots/api_datasource.png)
 
-### 
+### 创建表
 
 ```java
 Authentication authentication = new Authentication("#key", "#secret");
 DatasourceOperation operation = new DatasourceOperation(authentication);
 // // 创建表并返回表id
 String tableId = operation.createTable("HelloTable");
+```
+
+### 更新表数据
+
+```java
+Authentication authentication = new Authentication("#key", "#secret");
+DatasourceOperation operation = new DatasourceOperation(authentication);
+// // 创建表并返回表id
+String tableId = "tableIdText;
 // 获取给该表提供数据的文件的上传地址
 String fileUploadUrl = operation.requestUploadUrl(tableId);
 // 将数据文件上传