diff --git a/src/widget/dynamicdate/dynamicdate.combo.js b/src/widget/dynamicdate/dynamicdate.combo.js
index 605b01591c..8fedf82728 100644
--- a/src/widget/dynamicdate/dynamicdate.combo.js
+++ b/src/widget/dynamicdate/dynamicdate.combo.js
@@ -16,12 +16,6 @@ BI.DynamicDateCombo = BI.inherit(BI.Single, {
         supportDynamic: true,
     },
 
-    _init: function () {
-        var o = this.options;
-        o.height -= 2;
-        BI.DynamicDateCombo.superclass._init.apply(this, arguments);
-    },
-
     render: function () {
         var self = this, opts = this.options;
         this.storeTriggerValue = "";
@@ -61,7 +55,7 @@ BI.DynamicDateCombo = BI.inherit(BI.Single, {
                             format: opts.format,
                             allowEdit: opts.allowEdit,
                             watermark: opts.watermark,
-                            height: opts.height,
+                            height: opts.height - 2,
                             value: opts.value,
                             ref: function () {
                                 self.trigger = this;
diff --git a/src/widget/dynamicdatetime/dynamicdatetime.combo.js b/src/widget/dynamicdatetime/dynamicdatetime.combo.js
index 3fb8716f94..13519a5d32 100644
--- a/src/widget/dynamicdatetime/dynamicdatetime.combo.js
+++ b/src/widget/dynamicdatetime/dynamicdatetime.combo.js
@@ -16,12 +16,6 @@ BI.DynamicDateTimeCombo = BI.inherit(BI.Single, {
         supportDynamic: true
     },
 
-    _init: function () {
-        var o = this.options;
-        o.height -= 2;
-        BI.DynamicDateTimeCombo.superclass._init.apply(this, arguments);
-    },
-
     render: function () {
         var self = this, opts = this.options;
         this.storeTriggerValue = "";
@@ -61,7 +55,7 @@ BI.DynamicDateTimeCombo = BI.inherit(BI.Single, {
                             allowEdit: opts.allowEdit,
                             watermark: opts.watermark,
                             format: opts.format,
-                            height: opts.height,
+                            height: opts.height - 2,
                             value: opts.value,
                             ref: function () {
                                 self.trigger = this;
diff --git a/src/widget/multiselect/multiselect.combo.js b/src/widget/multiselect/multiselect.combo.js
index 520e73eb96..176cdf2243 100644
--- a/src/widget/multiselect/multiselect.combo.js
+++ b/src/widget/multiselect/multiselect.combo.js
@@ -44,7 +44,7 @@ BI.MultiSelectCombo = BI.inherit(BI.Single, {
         this.trigger = BI.createWidget({
             type: "bi.multi_select_trigger",
             allowEdit: o.allowEdit,
-            height: o.height,
+            height: o.height - 2,
             text: o.text,
             // adapter: this.popup,
             masker: {
diff --git a/src/widget/multiselect/multiselect.combo.nobar.js b/src/widget/multiselect/multiselect.combo.nobar.js
index 61196094e2..3bbce34c38 100644
--- a/src/widget/multiselect/multiselect.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.combo.nobar.js
@@ -41,7 +41,7 @@ BI.MultiSelectNoBarCombo = BI.inherit(BI.Single, {
 
         this.trigger = BI.createWidget({
             type: "bi.multi_select_trigger",
-            height: o.height,
+            height: o.height - 2,
             text: o.text,
             // adapter: this.popup,
             masker: {
diff --git a/src/widget/multiselect/multiselect.insert.combo.js b/src/widget/multiselect/multiselect.insert.combo.js
index 2adc153458..73918a669a 100644
--- a/src/widget/multiselect/multiselect.insert.combo.js
+++ b/src/widget/multiselect/multiselect.insert.combo.js
@@ -40,7 +40,7 @@ BI.MultiSelectInsertCombo = BI.inherit(BI.Single, {
         this.trigger = BI.createWidget({
             type: "bi.multi_select_insert_trigger",
             allowEdit: o.allowEdit,
-            height: o.height,
+            height: o.height - 2,
             text: o.text,
             watermark: o.watermark,
             // adapter: this.popup,
diff --git a/src/widget/multiselect/multiselect.insert.combo.nobar.js b/src/widget/multiselect/multiselect.insert.combo.nobar.js
index cf693765ff..893f6ffe36 100644
--- a/src/widget/multiselect/multiselect.insert.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.insert.combo.nobar.js
@@ -41,7 +41,7 @@ BI.MultiSelectInsertNoBarCombo = BI.inherit(BI.Single, {
 
         this.trigger = BI.createWidget({
             type: "bi.multi_select_insert_trigger",
-            height: o.height,
+            height: o.height - 2,
             text: o.text,
             // adapter: this.popup,
             masker: {
diff --git a/src/widget/multitree/multi.tree.combo.js b/src/widget/multitree/multi.tree.combo.js
index f8a015cad7..a3e4ef69ee 100644
--- a/src/widget/multitree/multi.tree.combo.js
+++ b/src/widget/multitree/multi.tree.combo.js
@@ -37,7 +37,7 @@ BI.MultiTreeCombo = BI.inherit(BI.Single, {
         this.trigger = BI.createWidget({
             type: "bi.multi_select_trigger",
             allowEdit: o.allowEdit,
-            height: o.height,
+            height: o.height - 2,
             valueFormatter: o.valueFormatter,
             text: o.text,
             watermark: o.watermark,
diff --git a/src/widget/multitree/multi.tree.insert.combo.js b/src/widget/multitree/multi.tree.insert.combo.js
index fa1bf4ce67..51456715a2 100644
--- a/src/widget/multitree/multi.tree.insert.combo.js
+++ b/src/widget/multitree/multi.tree.insert.combo.js
@@ -37,7 +37,7 @@ BI.MultiTreeInsertCombo = BI.inherit(BI.Single, {
         this.trigger = BI.createWidget({
             type: "bi.multi_select_trigger",
             allowEdit: o.allowEdit,
-            height: o.height,
+            height: o.height - 2,
             valueFormatter: o.valueFormatter,
             // adapter: this.popup,
             masker: {
diff --git a/src/widget/multitree/multi.tree.list.combo.js b/src/widget/multitree/multi.tree.list.combo.js
index 401cb7be73..2434c16ad5 100644
--- a/src/widget/multitree/multi.tree.list.combo.js
+++ b/src/widget/multitree/multi.tree.list.combo.js
@@ -40,7 +40,7 @@ BI.MultiTreeListCombo = BI.inherit(BI.Single, {
             allowEdit: o.allowEdit,
             text: o.text,
             watermark: o.watermark,
-            height: o.height,
+            height: o.height - 2,
             valueFormatter: o.valueFormatter,
             // adapter: this.popup,
             masker: {
diff --git a/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js b/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
index 66cc26fce3..fb356fe56b 100644
--- a/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
+++ b/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
@@ -35,7 +35,7 @@ BI.SearchMultiTextValueCombo = BI.inherit(BI.Single, {
         this.trigger = BI.createWidget({
             type: "bi.search_multi_select_trigger",
             text: o.text,
-            height: o.height,
+            height: o.height - 2,
             // adapter: this.popup,
             masker: {
                 offset: {