diff --git a/uidoc/detailed/tree/bi.multi_tree_combo.md b/uidoc/detailed/tree/bi.multi_tree_combo.md
index 821b51b8c..c0287ef69 100644
--- a/uidoc/detailed/tree/bi.multi_tree_combo.md
+++ b/uidoc/detailed/tree/bi.multi_tree_combo.md
@@ -1,2 +1,62 @@
 # bi.multi_tree_combo
 
+### 树下拉框
+
+{% method %}
+[source](https://jsfiddle.net/fineui/caw7efpf/)
+
+{% common %}
+```javascript
+var items = [{
+	id: -1,
+  pId: -2,
+  value: "根目录",
+  text: "根目录"
+}, {
+	id: 1,
+  pId: -1,
+  value: "第一级目录1",
+  text: "第一级目录1"
+}, {
+	id: 11,
+  pId: 1,
+  value: "第二级文件1",
+  text: "第二级文件1"
+}];
+
+BI.createWidget({
+  type: "bi.horizontal_auto",
+  element: "body",
+  items: [{
+  	type: "bi.multi_tree_combo",
+    ref: function (_ref) {
+      self.tree = _ref;
+    },
+    itemsCreator: function (options, callback) {
+      console.log(options);
+      
+      callback({
+        items: items
+      });
+    },
+    width: 300
+  }, {
+  	type: "bi.button",
+    text: "getVlaue",
+    handler: function () {
+      BI.Msg.toast(JSON.stringify(self.tree.getValue()));
+    },
+    width: 300
+  }]
+})
+```
+
+{% endmethod %}
+
+## 参数设置
+| 参数    | 说明            | 类型    | 默认值  |
+| ----- | ------------- | ----- | ---- |
+| items | 子项，pId代表父节点ID | array | []   |
+
+## 方法
+### 通用方法参见[Tree](#)方法
\ No newline at end of file
diff --git a/uidoc/detailed/tree/bi.switch_tree.md b/uidoc/detailed/tree/bi.switch_tree.md
index 01f9fa009..6d1e7645b 100644
--- a/uidoc/detailed/tree/bi.switch_tree.md
+++ b/uidoc/detailed/tree/bi.switch_tree.md
@@ -1,2 +1,50 @@
 # bi.switch_tree
 
+### 可切换树
+
+{% method %}
+[source](https://jsfiddle.net/fineui/crd4z1nd/)
+
+{% common %}
+```javascript
+var items = [{
+	id: -1,
+  pId: -2,
+  value: "根目录",
+  text: "根目录"
+}, {
+	id: 1,
+  pId: -1,
+  value: "第一级目录1",
+  text: "第一级目录1"
+}, {
+	id: 11,
+  pId: 1,
+  value: "第二级文件1",
+  text: "第二级文件1"
+}];
+
+var tree = BI.createWidget({
+  type: "bi.switch_tree",
+  items: items,
+});
+```
+
+{% endmethod %}
+
+## 参数设置
+| 参数    | 说明            | 类型    | 默认值  |
+| ----- | ------------- | ----- | ---- |
+| items | 子项，pId代表父节点ID | array | []   |
+
+## 方法
+### 通用方法参见[Tree](#)方法
+
+| 方法名          | 说明    | 用法           |
+| ------------ | ----- | ------------ |
+| switchSelect | 切换树结构 | switchSelect |
+
+
+
+
+