diff --git a/docs/api.md b/docs/api.md
index 8c3e072..fb30f30 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -37,7 +37,7 @@
 | rowRef                 | 获取行的ref                                  | Function(record, index, indent):string | () => null      |
 | getBodyWrapper         | 添加对table body的包装                         | Function(body)                         | body => body    |
 | expandedRowRender      | 额外的展开行                                   | Function                               | -               |
-
+| expandRowByClick       | 设置展开行是否通过点击行触发，此参数需要与上面参数搭配使用（默认是通过点击行前面的加号展开行 | bool                                   | false           |
 
 ### Column