diff --git a/src/widget/multilayerselecttree/multilayerselecttree.combo.js b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
index ce7cbfe3dd..dff1475e67 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.combo.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
@@ -6,7 +6,7 @@ BI.MultiLayerSelectTreeCombo = BI.inherit(BI.Widget, {
 
     _defaultConfig: function () {
         return BI.extend(BI.MultiLayerSelectTreeCombo.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-multilayer-select-tree-combo bi-border bi-focus-shadow bi-border-radius",
+            baseCls: "bi-multilayer-select-tree-combo",
             isDefaultInit: false,
             height: 24,
             text: "",
@@ -66,6 +66,7 @@ BI.MultiLayerSelectTreeCombo = BI.inherit(BI.Widget, {
         var self = this, o = this.options;
         return {
             type: "bi.combo",
+            cls: "bi-border bi-focus-shadow bi-border-radius",
             container: o.container,
             destroyWhenHide: o.destroyWhenHide,
             adjustLength: 2,
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.trigger.js b/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
index a1716d0007..7203378ba3 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
@@ -5,7 +5,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
 
     props: function() {
         return {
-            extraCls: "bi-multi-layer-select-tree-trigger bi-border bi-focus-shadow bi-border-radius",
+            extraCls: "bi-multi-layer-select-tree-trigger",
             height: 24,
             itemsCreator: BI.emptyFn,
             watermark: BI.i18nText("BI-Basic_Search"),
diff --git a/src/widget/multilayersingletree/multilayersingletree.combo.js b/src/widget/multilayersingletree/multilayersingletree.combo.js
index b02e331981..f16354cce8 100644
--- a/src/widget/multilayersingletree/multilayersingletree.combo.js
+++ b/src/widget/multilayersingletree/multilayersingletree.combo.js
@@ -9,7 +9,7 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
 
     _defaultConfig: function () {
         return BI.extend(BI.MultiLayerSingleTreeCombo.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-multilayer-single-tree-combo bi-border bi-focus-shadow bi-border-radius",
+            baseCls: "bi-multilayer-single-tree-combo",
             isDefaultInit: false,
             height: 24,
             text: "",
@@ -70,6 +70,7 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
         var self = this, o = this.options;
         return {
             type: "bi.combo",
+            cls: "bi-border bi-focus-shadow bi-border-radius",
             container: o.container,
             destroyWhenHide: o.destroyWhenHide,
             adjustLength: 2,
diff --git a/src/widget/multilayersingletree/multilayersingletree.trigger.js b/src/widget/multilayersingletree/multilayersingletree.trigger.js
index 376b29af3e..20e47af0d3 100644
--- a/src/widget/multilayersingletree/multilayersingletree.trigger.js
+++ b/src/widget/multilayersingletree/multilayersingletree.trigger.js
@@ -5,7 +5,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
 
     props: function() {
         return {
-            extraCls: "bi-multi-layer-single-tree-trigger bi-border bi-focus-shadow bi-border-radius",
+            extraCls: "bi-multi-layer-single-tree-trigger",
             height: 24,
             itemsCreator: BI.emptyFn,
             watermark: BI.i18nText("BI-Basic_Search"),