diff --git a/demo/js/case/combo/demo.search_text_value_combo.js b/demo/js/case/combo/demo.search_text_value_combo.js
index 6b50234d7c..2746033a24 100644
--- a/demo/js/case/combo/demo.search_text_value_combo.js
+++ b/demo/js/case/combo/demo.search_text_value_combo.js
@@ -60,6 +60,7 @@ Demo.SearchTextValueCombo = BI.inherit(BI.Widget, {
                 }]
             }, {
                 type: "bi.button",
+                text: "setValue(3)",
                 width: 90,
                 height: 25,
                 handler: function () {
diff --git a/dist/base.css b/dist/base.css
index ccfa3153f7..dec3466011 100644
--- a/dist/base.css
+++ b/dist/base.css
@@ -146,6 +146,13 @@
   display: block !important;
   visibility: visible !important;
 }
+
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
 .bi-bubble-popup-view {
 
 }
diff --git a/dist/bundle.css b/dist/bundle.css
index 0c160c48e6..e5a8e42de7 100644
--- a/dist/bundle.css
+++ b/dist/bundle.css
@@ -2193,6 +2193,13 @@ textarea {
   display: block !important;
   visibility: visible !important;
 }
+
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
 .bi-bubble-popup-view {
 
 }
diff --git a/dist/bundle.js b/dist/bundle.js
index 023f7c2dc0..54bb33a4fc 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -68303,14 +68303,17 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
                                 }
                             }]
                         },
-                        maxHeight: 300
+                        maxHeight: 302
                     },
                     listeners: [{
                         eventName: BI.Combo.EVENT_AFTER_HIDEVIEW,
                         action: function(){
                             self.trigger.stopEditing();
                         }
-                    }]
+                    }],
+                    hideChecker: function (e) {
+                        return self.triggerBtn.element.find(e.target).length === 0;
+                    }
                 },
                 left: 0,
                 right: 0,
@@ -68319,7 +68322,12 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
             }, {
                 el: {
                     type: "bi.trigger_icon_button",
+                    cls: "trigger-icon-button",
+                    ref: function () {
+                        self.triggerBtn = this;
+                    },
                     width: o.height,
+                    height: o.height,
                     handler: function () {
                         if (self.combo.isViewVisible()) {
                             self.combo.hideView();
diff --git a/dist/case.js b/dist/case.js
index 9267e7fd07..df8b34f2b3 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -5671,14 +5671,17 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
                                 }
                             }]
                         },
-                        maxHeight: 300
+                        maxHeight: 302
                     },
                     listeners: [{
                         eventName: BI.Combo.EVENT_AFTER_HIDEVIEW,
                         action: function(){
                             self.trigger.stopEditing();
                         }
-                    }]
+                    }],
+                    hideChecker: function (e) {
+                        return self.triggerBtn.element.find(e.target).length === 0;
+                    }
                 },
                 left: 0,
                 right: 0,
@@ -5687,7 +5690,12 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
             }, {
                 el: {
                     type: "bi.trigger_icon_button",
+                    cls: "trigger-icon-button",
+                    ref: function () {
+                        self.triggerBtn = this;
+                    },
                     width: o.height,
+                    height: o.height,
                     handler: function () {
                         if (self.combo.isViewVisible()) {
                             self.combo.hideView();
diff --git a/dist/demo.js b/dist/demo.js
index 9510d8d51a..8de0e12eb7 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -2017,6 +2017,7 @@ Demo.SearchTextValueCombo = BI.inherit(BI.Widget, {
                 }]
             }, {
                 type: "bi.button",
+                text: "setValue(3)",
                 width: 90,
                 height: 25,
                 handler: function () {
diff --git a/dist/fineui.css b/dist/fineui.css
index 5828b38672..a55128c0e9 100644
--- a/dist/fineui.css
+++ b/dist/fineui.css
@@ -2193,6 +2193,13 @@ textarea {
   display: block !important;
   visibility: visible !important;
 }
+
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
 .bi-bubble-popup-view {
 
 }
diff --git a/dist/fineui.js b/dist/fineui.js
index bfe756c78e..5349f333ab 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -70067,14 +70067,17 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
                                 }
                             }]
                         },
-                        maxHeight: 300
+                        maxHeight: 302
                     },
                     listeners: [{
                         eventName: BI.Combo.EVENT_AFTER_HIDEVIEW,
                         action: function(){
                             self.trigger.stopEditing();
                         }
-                    }]
+                    }],
+                    hideChecker: function (e) {
+                        return self.triggerBtn.element.find(e.target).length === 0;
+                    }
                 },
                 left: 0,
                 right: 0,
@@ -70083,7 +70086,12 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
             }, {
                 el: {
                     type: "bi.trigger_icon_button",
+                    cls: "trigger-icon-button",
+                    ref: function () {
+                        self.triggerBtn = this;
+                    },
                     width: o.height,
+                    height: o.height,
                     handler: function () {
                         if (self.combo.isViewVisible()) {
                             self.combo.hideView();
diff --git a/src/case/combo/searchtextvaluecombo/combo.searchtextvalue.js b/src/case/combo/searchtextvaluecombo/combo.searchtextvalue.js
index 370adb5f56..1f6e870343 100644
--- a/src/case/combo/searchtextvaluecombo/combo.searchtextvalue.js
+++ b/src/case/combo/searchtextvaluecombo/combo.searchtextvalue.js
@@ -59,14 +59,17 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
                                 }
                             }]
                         },
-                        maxHeight: 300
+                        maxHeight: 302
                     },
                     listeners: [{
                         eventName: BI.Combo.EVENT_AFTER_HIDEVIEW,
                         action: function(){
                             self.trigger.stopEditing();
                         }
-                    }]
+                    }],
+                    hideChecker: function (e) {
+                        return self.triggerBtn.element.find(e.target).length === 0;
+                    }
                 },
                 left: 0,
                 right: 0,
@@ -75,7 +78,12 @@ BI.SearchTextValueCombo = BI.inherit(BI.Widget, {
             }, {
                 el: {
                     type: "bi.trigger_icon_button",
+                    cls: "trigger-icon-button",
+                    ref: function () {
+                        self.triggerBtn = this;
+                    },
                     width: o.height,
+                    height: o.height,
                     handler: function () {
                         if (self.combo.isViewVisible()) {
                             self.combo.hideView();
diff --git a/src/css/base/combo/combo.css b/src/css/base/combo/combo.css
index 724c014d75..20b5289b81 100644
--- a/src/css/base/combo/combo.css
+++ b/src/css/base/combo/combo.css
@@ -38,3 +38,7 @@
   display: block !important;
   visibility: visible !important;
 }
+
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
diff --git a/src/css/base/combo/combo.searchtextvalue.css b/src/css/base/combo/combo.searchtextvalue.css
new file mode 100644
index 0000000000..d9aafd4d22
--- /dev/null
+++ b/src/css/base/combo/combo.searchtextvalue.css
@@ -0,0 +1,3 @@
+.bi-search-text-value-combo .trigger-icon-button {
+  font-size: 16px;
+}
diff --git a/src/less/base/combo/combo.searchtextvalue.less b/src/less/base/combo/combo.searchtextvalue.less
new file mode 100644
index 0000000000..ea3a8835b7
--- /dev/null
+++ b/src/less/base/combo/combo.searchtextvalue.less
@@ -0,0 +1,7 @@
+@import "../../index";
+
+.bi-search-text-value-combo{
+  & .trigger-icon-button{
+    font-size: 16px;
+  }
+}
\ No newline at end of file