diff --git a/src/base/combination/combo.js b/src/base/combination/combo.js
index 5afa61612..c9bbfc773 100644
--- a/src/base/combination/combo.js
+++ b/src/base/combination/combo.js
@@ -81,7 +81,7 @@
                 element: this
             }, BI.LogicFactory.createLogic("vertical", BI.extend(o.logic, {
                 items: [
-                    {el: this.combo}
+                    { el: this.combo }
                 ]
             }))));
             o.isDefaultInit && (this._assertPopupView());
@@ -118,7 +118,7 @@
 
             var enterPopup = false;
 
-            function hide (e) {
+            function hide(e) {
                 if (self.isEnabled() && self.isValid() && self.combo.isEnabled() && self.combo.isValid() && o.toggle === true) {
                     self._hideView(e);
                     self.fireEvent(BI.Controller.EVENT_CHANGE, BI.Events.COLLAPSE, "", self.combo);
@@ -259,7 +259,7 @@
                     scrolly: false,
                     element: this.options.container || this,
                     items: [
-                        {el: this.popupView}
+                        { el: this.popupView }
                     ]
                 });
                 this._rendered = true;
@@ -312,7 +312,7 @@
             this._assertPopupViewRender();
             this.fireEvent(BI.Combo.EVENT_BEFORE_POPUPVIEW);
             // popupVisible是为了获取其宽高, 放到可视范围之外以防止在IE下闪一下
-            this.popupView.css({left: -999999999, top: -99999999});
+            this.popupView.css({ left: -999999999, top: -99999999 });
             this.popupView.visible();
             BI.each(needHideWhenAnotherComboOpen, function (i, combo) {
                 if (i !== self.getName()) {
@@ -344,7 +344,7 @@
                 if (maxW < 500) {
                     if (width > 500) {
                         maxW = 500;
-                    } else if (width > maxW) {
+                    } else if(width > maxW) {
                         maxW = width;
                     }
                 }