diff --git a/demo/js/widget/downlist/demo.downlist.js b/demo/js/widget/downlist/demo.downlist.js
index 6b72ff61f..df01a9a28 100644
--- a/demo/js/widget/downlist/demo.downlist.js
+++ b/demo/js/widget/downlist/demo.downlist.js
@@ -47,11 +47,9 @@ Demo.Downlist = BI.inherit(BI.Widget, {
                 width: 100,
                 items: [
                     [{
-                        el: {
-                            text: "column 1111",
-                            iconCls1: "dot-e-font",
-                            value: 12
-                        },
+                        text: "column 1111",
+                        iconCls1: "dot-e-font",
+                        value: 12,
                         children: [{
                             text: "column 1.1",
                             value: 21,
@@ -166,12 +164,10 @@ Demo.Downlist = BI.inherit(BI.Widget, {
                 }],
                 items: [
                     [{
-                        el: {
-                            text: "选项一",
-                            value: 1,
-                            icon: {
-                                type: "demo.downlist.icon",
-                            },
+                        text: "选项一",
+                        value: 1,
+                        icon: {
+                            type: "demo.downlist.icon",
                         },
                         children: [{
                             text: "选项一",
diff --git a/src/widget/downlist/combo.downlist.js b/src/widget/downlist/combo.downlist.js
index be615e6ea..cf983dfc4 100644
--- a/src/widget/downlist/combo.downlist.js
+++ b/src/widget/downlist/combo.downlist.js
@@ -1,110 +1,139 @@
-/**
- * Created by roy on 15/8/14.
- */
-BI.DownListCombo = BI.inherit(BI.Widget, {
-    _defaultConfig: function () {
-        return BI.extend(BI.DownListCombo.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-down-list-combo",
-            height: 24,
-            items: [],
-            adjustLength: 0,
-            direction: "bottom",
-            trigger: "click",
-            container: null,
-            stopPropagation: false,
-            el: {},
-            minWidth: 140,
-            maxHeight: 1000,
-            destroyWhenHide: false
+(function() {
+    function transformItems(items) {
+        if (!items) return items;
+        var result = BI.cloneDeep(items);
+        var isComplexItmes = BI.some(items, function (_, item) {
+            return BI.isArray(item);
         });
-    },
-
-    _init: function () {
-        BI.DownListCombo.superclass._init.apply(this, arguments);
-        var self = this, o = this.options;
-
-        this.downlistcombo = BI.createWidget({
-            element: this,
-            type: "bi.combo",
-            trigger: o.trigger,
-            isNeedAdjustWidth: false,
-            isDefaultInit: true,
-            container: o.container,
-            adjustLength: o.adjustLength,
-            direction: o.direction,
-            belowMouse: o.belowMouse,
-            stopPropagation: o.stopPropagation,
-            destroyWhenHide: o.destroyWhenHide,
-            el: BI.createWidget(o.el, {
-                type: "bi.icon_trigger",
-                extraCls: o.iconCls,
-                width: o.width,
-                height: o.height
-            }),
-            popup: {
-                el: {
-                    type: "bi.down_list_popup",
-                    ref: function (ref) {
-                        self.popupView = ref;
-                    },
-                    items: o.items,
-                    chooseType: o.chooseType,
-                    value: o.value,
-                    listeners: [{
-                        eventName: BI.DownListPopup.EVENT_CHANGE,
-                        action: function (value) {
-                            self.fireEvent(BI.DownListCombo.EVENT_CHANGE, value);
-                            self.downlistcombo.hideView();
-                        }
-                    }, {
-                        eventName: BI.DownListPopup.EVENT_SON_VALUE_CHANGE,
-                        action: function (value, fatherValue) {
-                            self.fireEvent(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, value, fatherValue);
-                            self.downlistcombo.hideView();
-                        }
-                    }]
-                },
-                stopPropagation: o.stopPropagation,
-                maxHeight: o.maxHeight,
-                minWidth: o.minWidth
-            }
-        });
-
-        this.downlistcombo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () {
-            self.fireEvent(BI.DownListCombo.EVENT_BEFORE_POPUPVIEW);
+        // 传一维数组，帮转二维
+        if (!isComplexItmes) {
+            result = [result];
+        }
+        // 帮转 el
+        BI.each(result, function (_, arr) {
+            BI.each(arr, function (_, item) {
+                if (item.children && !item.el) {
+                    item.el = {
+                        text: item.text,
+                        icon: item.icon,
+                        cls: item.cls,
+                        iconCls1: item.iconCls1,    
+                        value: item.value
+                    };
+                }
+            });
         });
-    },
-
-    hideView: function () {
-        this.downlistcombo.hideView();
-    },
-
-    showView: function (e) {
-        this.downlistcombo.showView(e);
-    },
-
-    populate: function (items) {
-        this.popupView.populate(items);
-    },
-
-    setValue: function (v) {
-        this.popupView.setValue(v);
-    },
-
-    getValue: function () {
-        return this.popupView.getValue();
-    },
-
-    adjustWidth: function () {
-        this.downlistcombo.adjustWidth();
-    },
-
-    adjustHeight: function () {
-        this.downlistcombo.adjustHeight();
+        return result;
     }
-});
-BI.DownListCombo.EVENT_CHANGE = "EVENT_CHANGE";
-BI.DownListCombo.EVENT_SON_VALUE_CHANGE = "EVENT_SON_VALUE_CHANGE";
-BI.DownListCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
-
-BI.shortcut("bi.down_list_combo", BI.DownListCombo);
+    
+    /**
+     * Created by roy on 15/8/14.
+     */
+    BI.DownListCombo = BI.inherit(BI.Widget, {
+        _defaultConfig: function () {
+            return BI.extend(BI.DownListCombo.superclass._defaultConfig.apply(this, arguments), {
+                baseCls: "bi-down-list-combo",
+                height: 24,
+                items: [],
+                adjustLength: 0,
+                direction: "bottom",
+                trigger: "click",
+                container: null,
+                stopPropagation: false,
+                el: {},
+                minWidth: 140,
+                maxHeight: 1000,
+                destroyWhenHide: false
+            });
+        },
+    
+        _init: function () {
+            BI.DownListCombo.superclass._init.apply(this, arguments);
+            var self = this, o = this.options;
+    
+            this.downlistcombo = BI.createWidget({
+                element: this,
+                type: "bi.combo",
+                trigger: o.trigger,
+                isNeedAdjustWidth: false,
+                isDefaultInit: true,
+                container: o.container,
+                adjustLength: o.adjustLength,
+                direction: o.direction,
+                belowMouse: o.belowMouse,
+                stopPropagation: o.stopPropagation,
+                destroyWhenHide: o.destroyWhenHide,
+                el: BI.createWidget(o.el, {
+                    type: "bi.icon_trigger",
+                    extraCls: o.iconCls,
+                    width: o.width,
+                    height: o.height
+                }),
+                popup: {
+                    el: {
+                        type: "bi.down_list_popup",
+                        ref: function (ref) {
+                            self.popupView = ref;
+                        },
+                        items: transformItems(o.items),
+                        chooseType: o.chooseType,
+                        value: o.value,
+                        listeners: [{
+                            eventName: BI.DownListPopup.EVENT_CHANGE,
+                            action: function (value) {
+                                self.fireEvent(BI.DownListCombo.EVENT_CHANGE, value);
+                                self.downlistcombo.hideView();
+                            }
+                        }, {
+                            eventName: BI.DownListPopup.EVENT_SON_VALUE_CHANGE,
+                            action: function (value, fatherValue) {
+                                self.fireEvent(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, value, fatherValue);
+                                self.downlistcombo.hideView();
+                            }
+                        }]
+                    },
+                    stopPropagation: o.stopPropagation,
+                    maxHeight: o.maxHeight,
+                    minWidth: o.minWidth
+                }
+            });
+    
+            this.downlistcombo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () {
+                self.fireEvent(BI.DownListCombo.EVENT_BEFORE_POPUPVIEW);
+            });
+        },
+    
+        hideView: function () {
+            this.downlistcombo.hideView();
+        },
+    
+        showView: function (e) {
+            this.downlistcombo.showView(e);
+        },
+    
+        populate: function (items) {
+            this.popupView.populate(items);
+        },
+    
+        setValue: function (v) {
+            this.popupView.setValue(v);
+        },
+    
+        getValue: function () {
+            return this.popupView.getValue();
+        },
+    
+        adjustWidth: function () {
+            this.downlistcombo.adjustWidth();
+        },
+    
+        adjustHeight: function () {
+            this.downlistcombo.adjustHeight();
+        }
+    });
+    BI.DownListCombo.EVENT_CHANGE = "EVENT_CHANGE";
+    BI.DownListCombo.EVENT_SON_VALUE_CHANGE = "EVENT_SON_VALUE_CHANGE";
+    BI.DownListCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
+    
+    BI.shortcut("bi.down_list_combo", BI.DownListCombo);
+}());