修改文档

README.md

@@ -43,8 +43,19 @@ operation.markAsFinish(tableId);
 
 
 ### 删除表（暂未实现）
+```java
+Authentication authentication = new Authentication("#key", "#secret");
+DatasourceOperation operation = new DatasourceOperation(authentication);
+String tableId = "#待删除的表id";
+operation.deleteTable(tableId);
+```
 
 ### 删除所有表（暂未实现）
+```java
+Authentication authentication = new Authentication("#key", "#secret");
+DatasourceOperation operation = new DatasourceOperation(authentication);
+operation.reset();
+```
 
 
 ## API文档