diff --git a/uidoc/case/tree/branch_tree.md b/uidoc/case/tree/branch_tree.md
index 0bef7ff73..feebafde1 100644
--- a/uidoc/case/tree/branch_tree.md
+++ b/uidoc/case/tree/branch_tree.md
@@ -1,2 +1,32 @@
-# branch_tree
+# bi.branch_tree
+### 横向分支的树
+
+{% method %}
+[source](https://jsfiddle.net/fineui/mLq3e170/)
+
+{% common %}
+```javascript
+// More coming...
+```
+
+{% endmethod %}
+
+
+
+### 参数设置
+
+| 参数       | 说明                   | 类型     | 默认值  |
+| -------- | -------------------- | ------ | ---- |
+| expander | branch_expander组件配置项 | object | {}   |
+| el       |                      | object | {}   |
+| items    | 子项                   | array  | []   |
+
+
+
+### 方法
+
+| 方法名      | 说明     | 回调参数 |
+| -------- | ------ | ---- |
+| populate | 去掉所有内容 | —    |
+| getValue | 获取所选项值 | —    |