diff --git a/dist/bundle.js b/dist/bundle.js
index 044a82f..bc75e0c 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -277,180 +277,180 @@
     });
     BI.shortcut("my.todolist", ToDoList);
 })();
-!(function(){
+!(function () {
 
-  // 给多层级单选树增加设置错误值时标红状态
-  BI.config("bi.multilayer_single_tree_combo", function (config) {
-    var ERROR_CLASS = 'combo-error';
+    // 给多层级单选树增加设置错误值时标红状态
+    BI.config("bi.multilayer_single_tree_combo", function (config) {
+        var ERROR_CLASS = "combo-error";
 
-    /**
+        /**
      * 判断是否是有效值
-     * @param {Object} config 
+     * @param {Object} config
      * @param {Array} value setValue传入的值
      * @returns {Boolean}
      */
-    function isValueValid(options, value) {
-        value = value || options.value || '';
-        if (Array.isArray(value)) {
-            value = value[0];
-        } 
-        var items = options.items || [];
-        var itemIds = [];
+        function isValueValid (options, value) {
+            value = value || options.value || "";
+            if (Array.isArray(value)) {
+                value = value[0];
+            }
+            var items = options.items || [];
+            var itemIds = [];
     
-        if (BI.isNull(value)) {
-            return true;
-        }
+            if (BI.isNull(value)) {
+                return true;
+            }
   
-        // 获取id列表
-        BI.each(items, function(i, item){
-            item && item.value && itemIds.push(item.value);
-        });
+            // 获取id列表
+            BI.each(items, function (i, item) {
+                item && item.value && itemIds.push(item.value);
+            });
     
-        if (BI.contains(itemIds, value)) {
-            return true;
-        } else {
+            if (BI.contains(itemIds, value)) {
+                return true;
+            }
             return false;
+        
         }
-    }
   
-    /**
+        /**
      * 增加/去除标红className
      * @param {Object} widget
      * @param {Array} value setValue传入的值
      */
-    function changeInvalidClassName(widget, value) {
-        var combo = widget.combo || {};
-        var options = widget.options || {};
-        if (isValueValid(options, value)) {
-            combo && combo.element.removeClass(ERROR_CLASS);
-        } else {
-            combo && combo.element.addClass(ERROR_CLASS);
+        function changeInvalidClassName (widget, value) {
+            var combo = widget.combo || {};
+            var options = widget.options || {};
+            if (isValueValid(options, value)) {
+                combo && combo.element.removeClass(ERROR_CLASS);
+            } else {
+                combo && combo.element.addClass(ERROR_CLASS);
+            }
         }
-    }
 
-    config.listeners = config.listeners || [];
-    // 新增mount生命周期回调
-    config.listeners.push({
-        eventName: BI.Events.MOUNT,
-        action: function() {
+        config.listeners = config.listeners || [];
+        // 新增mount生命周期回调
+        config.listeners.push({
+            eventName: BI.Events.MOUNT,
+            action: function () {
             // 覆盖原setValue方法，调用原setValue前，修改样式
-            var _setValue = this.setValue;
-            this.setValue = function(value) {
-                changeInvalidClassName(this, value);
-                _setValue.call(this, value);
-            };
-
-            // 立即触发一次样式变更，不需要传value
-            changeInvalidClassName(this);
-        }
-    });
+                var _setValue = this.setValue;
+                this.setValue = function (value) {
+                    changeInvalidClassName(this, value);
+                    _setValue.call(this, value);
+                };
+
+                // 立即触发一次样式变更，不需要传value
+                changeInvalidClassName(this);
+            }
+        });
    
-    return config;
-  });
-
-
-
-
-
-
-  var treeItems = [
-   {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"},
-   {id: 12, pId: 1, value: "第二级目录2", text: "第二级目录2"},
-   {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
-   {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
-   {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
-   {id: 12111,pId: 1211,value: "第五级文件1",text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
-   {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
-   {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
-   {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
-   {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
-   {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
-   {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}
-  ];
-
-  var TestTreeModel = BI.inherit(Fix.Model, {
-    state: function() {
-      return {
-        items: BI.deepClone(treeItems),
-        value: "第三级文件1"
-      };
-    },
-    childContext: ["items"]
-  });
-  BI.model("dec.amiba.test.tree.model", TestTreeModel);
-
-  var TestTree = BI.inherit(BI.Widget, {
-    _store: function() {
-      return BI.Models.getModel("dec.amiba.test.tree.model");
-    },
-    props: {
-      baseCls: 'fine-test-tree',
-    },
-    watch: {
-      items: function(items) {
-        console.log("items", items);
-        this.treeRef.populate(items);
-      },
-      value: function(v) {
-        console.log("value", v);
-      }
-    },
-    render: function() {
-      var self = this, o = this.options;
-      return {
-        type: "bi.vertical",
-        height: 150,
-        lgap: 20,
-        tgap: 20,
-        mounted: function() {
-
-          // 测试增加树节点
-          var m = self.model;
-          var newItems = [
-            {id: 3, pId: -1, value: "第三级目录1", text: "第三级目录1"},
-            {id: 31, pId: 3, value: "第三级文件1", text: "第三级文件1"}
-          ];
-          m.items = m.items.concat(newItems);
-
-          // 测试修改value
-          setTimeout(function() {
-            console.log('setValue');
-            self.treeRef.setValue('不存在的值');
-          }, 3000);
+        return config;
+    });
+
+
+
 
 
+
+    var treeItems = [
+        {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"},
+        {id: 12, pId: 1, value: "第二级目录2", text: "第二级目录2"},
+        {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
+        {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
+        {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
+        {id: 12111, pId: 1211, value: "第五级文件1", text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+        {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
+        {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
+        {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
+        {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
+        {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
+        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}
+    ];
+
+    var TestTreeModel = BI.inherit(Fix.Model, {
+        state: function () {
+            return {
+                items: BI.deepClone(treeItems),
+                value: "第三级文件1"
+            };
         },
-        items: [
-          {
-            type: 'bi.label',
-            textAlign: 'left',
-            text: '叶子节点单选'
-          },
-          {
-            type: "bi.multilayer_single_tree_combo",
-            text: "默认值",
-            allowEdit: false,
-            items: self.model.items,
-            ref: function(ref) {
-              self.treeRef = ref;
+        childContext: ["items"]
+    });
+    BI.model("dec.amiba.test.tree.model", TestTreeModel);
+
+    var TestTree = BI.inherit(BI.Widget, {
+        _store: function () {
+            return BI.Models.getModel("dec.amiba.test.tree.model");
+        },
+        props: {
+            baseCls: "fine-test-tree"
+        },
+        watch: {
+            items: function (items) {
+                console.log("items", items);
+                this.treeRef.populate(items);
             },
-            width: 250,
-            value: self.model.value,
-            listeners: [{
-              eventName: 'EVENT_CHANGE',
-              action: function () {
-                self.model.value = self.treeRef.getValue()[0];
-              }
-            }]
-          }
-        ]
-      };
-    }
-  });
-
-  BI.shortcut("dec.amiba.test.tree", TestTree);  
+            value: function (v) {
+                console.log("value", v);
+            }
+        },
+        render: function () {
+            var self = this, o = this.options;
+            return {
+                type: "bi.vertical",
+                height: 150,
+                lgap: 20,
+                tgap: 20,
+                mounted: function () {
+
+                    // 测试增加树节点
+                    var m = self.model;
+                    var newItems = [
+                        {id: 3, pId: -1, value: "第三级目录1", text: "第三级目录1"},
+                        {id: 31, pId: 3, value: "第三级文件1", text: "第三级文件1"}
+                    ];
+                    m.items = m.items.concat(newItems);
+
+                    // 测试修改value
+                    setTimeout(function () {
+                        console.log("setValue");
+                        self.treeRef.setValue("");
+                    }, 3000);
+
+
+                },
+                items: [
+                    {
+                        type: "bi.label",
+                        textAlign: "left",
+                        text: "叶子节点单选"
+                    },
+                    {
+                        type: "bi.multilayer_single_tree_combo",
+                        text: "默认值",
+                        allowEdit: false,
+                        items: self.model.items,
+                        ref: function (ref) {
+                            self.treeRef = ref;
+                        },
+                        width: 250,
+                        value: self.model.value,
+                        listeners: [{
+                            eventName: "EVENT_CHANGE",
+                            action: function () {
+                                self.model.value = self.treeRef.getValue()[0];
+                            }
+                        }]
+                    }
+                ]
+            };
+        }
+    });
+
+    BI.shortcut("dec.amiba.test.tree", TestTree);
 
 })();!(function () {
     // 将todolist组件挂载到#wrapper上.
diff --git a/src/modules/tree/main.js b/src/modules/tree/main.js
index 1c5a125..c0398a4 100644
--- a/src/modules/tree/main.js
+++ b/src/modules/tree/main.js
@@ -1,176 +1,178 @@
-!(function(){
+!(function () {
 
-  // 给多层级单选树增加设置错误值时标红状态
-  BI.config("bi.multilayer_single_tree_combo", function (config) {
-    var ERROR_CLASS = 'combo-error';
+    // 给多层级单选树增加设置错误值时标红状态
+    BI.config("bi.multilayer_single_tree_combo", function (config) {
+        var ERROR_CLASS = "combo-error";
 
-    /**
+        /**
      * 判断是否是有效值
-     * @param {Object} config 
+     * @param {Object} config
      * @param {Array} value setValue传入的值
      * @returns {Boolean}
      */
-    function isValueValid(options, value) {
-        value = value || options.value || '';
-        if (Array.isArray(value)) {
-            value = value[0];
-        } 
-        var items = options.items || [];
-        var itemIds = [];
+        function isValueValid (options, value) {
+            value = value || options.value;
+            if (Array.isArray(value)) {
+                value = value[0];
+            }
+            value = value || null;
+            
+            var items = options.items || [];
+            var itemIds = [];
     
-        if (BI.isNull(value)) {
-            return true;
-        }
+            if (BI.isNull(value)) {
+                return true;
+            }
   
-        // 获取id列表
-        BI.each(items, function(i, item){
-            item && item.value && itemIds.push(item.value);
-        });
+            // 获取id列表
+            BI.each(items, function (i, item) {
+                item && item.value && itemIds.push(item.value);
+            });
     
-        if (BI.contains(itemIds, value)) {
-            return true;
-        } else {
+            if (BI.contains(itemIds, value)) {
+                return true;
+            }
             return false;
+        
         }
-    }
   
-    /**
+        /**
      * 增加/去除标红className
      * @param {Object} widget
      * @param {Array} value setValue传入的值
      */
-    function changeInvalidClassName(widget, value) {
-        var combo = widget.combo || {};
-        var options = widget.options || {};
-        if (isValueValid(options, value)) {
-            combo && combo.element.removeClass(ERROR_CLASS);
-        } else {
-            combo && combo.element.addClass(ERROR_CLASS);
+        function changeInvalidClassName (widget, value) {
+            var combo = widget.combo || {};
+            var options = widget.options || {};
+            if (isValueValid(options, value)) {
+                combo && combo.element.removeClass(ERROR_CLASS);
+            } else {
+                combo && combo.element.addClass(ERROR_CLASS);
+            }
         }
-    }
 
-    config.listeners = config.listeners || [];
-    // 新增mount生命周期回调
-    config.listeners.push({
-        eventName: BI.Events.MOUNT,
-        action: function() {
+        config.listeners = config.listeners || [];
+        // 新增mount生命周期回调
+        config.listeners.push({
+            eventName: BI.Events.MOUNT,
+            action: function () {
             // 覆盖原setValue方法，调用原setValue前，修改样式
-            var _setValue = this.setValue;
-            this.setValue = function(value) {
-                changeInvalidClassName(this, value);
-                _setValue.call(this, value);
-            };
-
-            // 立即触发一次样式变更，不需要传value
-            changeInvalidClassName(this);
-        }
-    });
+                var _setValue = this.setValue;
+                this.setValue = function (value) {
+                    changeInvalidClassName(this, value);
+                    _setValue.call(this, value);
+                };
+
+                // 立即触发一次样式变更，不需要传value
+                changeInvalidClassName(this);
+            }
+        });
    
-    return config;
-  });
-
-
-
-
-
-
-  var treeItems = [
-   {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"},
-   {id: 12, pId: 1, value: "第二级目录2", text: "第二级目录2"},
-   {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
-   {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
-   {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
-   {id: 12111,pId: 1211,value: "第五级文件1",text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
-   {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
-   {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
-   {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
-   {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
-   {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
-   {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}
-  ];
-
-  var TestTreeModel = BI.inherit(Fix.Model, {
-    state: function() {
-      return {
-        items: BI.deepClone(treeItems),
-        value: "第三级文件1"
-      };
-    },
-    childContext: ["items"]
-  });
-  BI.model("dec.amiba.test.tree.model", TestTreeModel);
-
-  var TestTree = BI.inherit(BI.Widget, {
-    _store: function() {
-      return BI.Models.getModel("dec.amiba.test.tree.model");
-    },
-    props: {
-      baseCls: 'fine-test-tree',
-    },
-    watch: {
-      items: function(items) {
-        console.log("items", items);
-        this.treeRef.populate(items);
-      },
-      value: function(v) {
-        console.log("value", v);
-      }
-    },
-    render: function() {
-      var self = this, o = this.options;
-      return {
-        type: "bi.vertical",
-        height: 150,
-        lgap: 20,
-        tgap: 20,
-        mounted: function() {
-
-          // 测试增加树节点
-          var m = self.model;
-          var newItems = [
-            {id: 3, pId: -1, value: "第三级目录1", text: "第三级目录1"},
-            {id: 31, pId: 3, value: "第三级文件1", text: "第三级文件1"}
-          ];
-          m.items = m.items.concat(newItems);
-
-          // 测试修改value
-          setTimeout(function() {
-            console.log('setValue');
-            self.treeRef.setValue('不存在的值');
-          }, 3000);
+        return config;
+    });
+
+
+
+
 
 
+    var treeItems = [
+        {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"},
+        {id: 12, pId: 1, value: "第二级目录2", text: "第二级目录2"},
+        {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
+        {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
+        {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
+        {id: 12111, pId: 1211, value: "第五级文件1", text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+        {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
+        {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
+        {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
+        {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
+        {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
+        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}
+    ];
+
+    var TestTreeModel = BI.inherit(Fix.Model, {
+        state: function () {
+            return {
+                items: BI.deepClone(treeItems),
+                value: "第三级文件1"
+            };
+        },
+        childContext: ["items"]
+    });
+    BI.model("dec.amiba.test.tree.model", TestTreeModel);
+
+    var TestTree = BI.inherit(BI.Widget, {
+        _store: function () {
+            return BI.Models.getModel("dec.amiba.test.tree.model");
+        },
+        props: {
+            baseCls: "fine-test-tree"
         },
-        items: [
-          {
-            type: 'bi.label',
-            textAlign: 'left',
-            text: '叶子节点单选'
-          },
-          {
-            type: "bi.multilayer_single_tree_combo",
-            text: "默认值",
-            allowEdit: false,
-            items: self.model.items,
-            ref: function(ref) {
-              self.treeRef = ref;
+        watch: {
+            items: function (items) {
+                console.log("items", items);
+                this.treeRef.populate(items);
             },
-            width: 250,
-            value: self.model.value,
-            listeners: [{
-              eventName: 'EVENT_CHANGE',
-              action: function () {
-                self.model.value = self.treeRef.getValue()[0];
-              }
-            }]
-          }
-        ]
-      };
-    }
-  });
-
-  BI.shortcut("dec.amiba.test.tree", TestTree);  
+            value: function (v) {
+                console.log("value", v);
+            }
+        },
+        render: function () {
+            var self = this, o = this.options;
+            return {
+                type: "bi.vertical",
+                height: 150,
+                lgap: 20,
+                tgap: 20,
+                mounted: function () {
+
+                    // 测试增加树节点
+                    var m = self.model;
+                    var newItems = [
+                        {id: 3, pId: -1, value: "第三级目录1", text: "第三级目录1"},
+                        {id: 31, pId: 3, value: "第三级文件1", text: "第三级文件1"}
+                    ];
+                    m.items = m.items.concat(newItems);
+
+                    // 测试修改value
+                    setTimeout(function () {
+                        console.log("setValue");
+                        self.treeRef.setValue("");
+                    }, 3000);
+
+
+                },
+                items: [
+                    {
+                        type: "bi.label",
+                        textAlign: "left",
+                        text: "叶子节点单选"
+                    },
+                    {
+                        type: "bi.multilayer_single_tree_combo",
+                        text: "默认值",
+                        allowEdit: false,
+                        items: self.model.items,
+                        ref: function (ref) {
+                            self.treeRef = ref;
+                        },
+                        width: 250,
+                        value: self.model.value,
+                        listeners: [{
+                            eventName: "EVENT_CHANGE",
+                            action: function () {
+                                self.model.value = self.treeRef.getValue()[0];
+                            }
+                        }]
+                    }
+                ]
+            };
+        }
+    });
+
+    BI.shortcut("dec.amiba.test.tree", TestTree);
 
 })();
\ No newline at end of file