diff --git a/uidoc/case/tree/branch_relation.md b/uidoc/case/tree/branch_relation.md
index 235077251..96ebcabaa 100644
--- a/uidoc/case/tree/branch_relation.md
+++ b/uidoc/case/tree/branch_relation.md
@@ -8,7 +8,7 @@
 {% common %}
 ```javascript
 var tree = BI.createWidget({
-  type: "bi.simple_tree",
+  type: "bi.branch_relation",
   element: 'body',
   items: [],
   direction: BI.Direction.Right,
diff --git a/uidoc/detailed/combo/multilayer_select_tree_combo.md b/uidoc/detailed/combo/multilayer_select_tree_combo.md
index 63d7bc4a9..958e74c1b 100644
--- a/uidoc/detailed/combo/multilayer_select_tree_combo.md
+++ b/uidoc/detailed/combo/multilayer_select_tree_combo.md
@@ -1,2 +1,40 @@
-# multilayer_select_tree_combo
+# bi.multilayer_select_tree_combo
+
+### 多层级下拉可选节点树
+
+{% method %}
+[source](https://jsfiddle.net/fineui/conjw6dL/)
+
+{% common %}
+```javascript
+var tree = BI.createWidget({
+  type: "bi.multilayer_select_tree_combo",
+  element: 'body',
+  items: [],
+  text: "默认值",
+  width: 300,
+});
+```
+
+{% endmethod %}
+
+
+
+### 参数设置
+
+| 参数     | 说明   | 类型     | 默认值  |
+| ------ | ---- | ------ | ---- |
+| height | 高度   | number | 30   |
+| text   | 文本框值 | string | ''   |
+| items  | 元素   | array  | null |
+
+
+
+### 方法
+
+| 方法名      | 说明   | 回调参数        |
+| -------- | ---- | ----------- |
+| populate | 刷新内容 | items: 子项数组 |
+| setValue | 设置值  | setValue    |
+| getValue | 获取值  | getValue    |
 
diff --git a/uidoc/detailed/combo/multilayer_single_tree_combo.md b/uidoc/detailed/combo/multilayer_single_tree_combo.md
index 5fe7cf833..d9ff91c2c 100644
--- a/uidoc/detailed/combo/multilayer_single_tree_combo.md
+++ b/uidoc/detailed/combo/multilayer_single_tree_combo.md
@@ -1,2 +1,40 @@
-# multilayer_single_tree_combo
+# bi.multilayer_single_tree_combo
 
+### 多层级下拉单选树
+
+{% method %}
+[source](https://jsfiddle.net/fineui/o0u3vp83/)
+
+{% common %}
+```javascript
+var tree = BI.createWidget({
+  type: "bi.multilayer_single_tree_combo",
+  element: 'body',
+  items: [],
+  text: "默认值",
+  width: 300,
+});
+```
+
+{% endmethod %}
+
+
+
+### 参数设置
+
+| 参数           | 说明    | 类型       | 默认值        |
+| ------------ | ----- | -------- | ---------- |
+| height       | 高度    | number   | 30         |
+| text         | 文本框值  | string   | ''         |
+| itemsCreator | 元素创造器 | function | BI.emptyFn |
+| items        | 元素    | array    | null       |
+
+
+
+### 方法
+
+| 方法名      | 说明   | 回调参数        |
+| -------- | ---- | ----------- |
+| populate | 刷新内容 | items: 子项数组 |
+| setValue | 设置值  | setValue    |
+| getValue | 获取值  | getValue    |
\ No newline at end of file
diff --git a/uidoc/detailed/combo/select_tree_combo.md b/uidoc/detailed/combo/select_tree_combo.md
index 13b21ef6b..8037fb883 100644
--- a/uidoc/detailed/combo/select_tree_combo.md
+++ b/uidoc/detailed/combo/select_tree_combo.md
@@ -1,2 +1,40 @@
-# select_tree_combo
+# bi.select_tree_combo
+
+### 二级可选节点下拉框树
+
+{% method %}
+[source](https://jsfiddle.net/fineui/Lgqr17tg/)
+
+{% common %}
+```javascript
+var tree = BI.createWidget({
+  type: "bi.select_tree_combo",
+  element: 'body',
+  items: [],
+  text: "默认值",
+  width: 300,
+});
+```
+
+{% endmethod %}
+
+
+
+### 参数设置
+
+| 参数      | 说明   | 类型     | 默认值  |
+| ------- | ---- | ------ | ---- |
+| height  | 高度   | number | 30   |
+| text    | 文本框值 | string | ''   |
+| items   | 元素   | array  | null |
+
+
+
+### 方法
+
+| 方法名      | 说明   | 回调参数        |
+| -------- | ---- | ----------- |
+| populate | 刷新内容 | items: 子项数组 |
+| setValue | 设置值  | setValue    |
+| getValue | 获取值  | getValue    |
 
diff --git a/uidoc/detailed/combo/single_tree_combo.md b/uidoc/detailed/combo/single_tree_combo.md
index 1b3a4ce61..b28e14773 100644
--- a/uidoc/detailed/combo/single_tree_combo.md
+++ b/uidoc/detailed/combo/single_tree_combo.md
@@ -1,2 +1,41 @@
-# single_tree_combo
+# bi.single_tree_combo
+
+### 二级树下拉框
+
+{% method %}
+[source](https://jsfiddle.net/fineui/oxkb9uw5/)
+
+{% common %}
+```javascript
+var tree = BI.createWidget({
+  type: "bi.simple_tree_combo",
+  element: 'body',
+  items: [],
+  text: "默认值",
+  width: 300,
+});
+```
+
+{% endmethod %}
+
+
+
+### 参数设置
+
+| 参数      | 说明   | 类型     | 默认值  |
+| ------- | ---- | ------ | ---- |
+| trigger |      | object | {}   |
+| height  | 高度   | number | 30   |
+| text    | 文本框值 | string | ''   |
+| items   | 元素   | array  | null |
+
+
+
+### 方法
+
+| 方法名      | 说明   | 回调参数        |
+| -------- | ---- | ----------- |
+| populate | 刷新内容 | items: 子项数组 |
+| setValue | 设置值  | setValue    |
+| getValue | 获取值  | getValue    |