diff --git a/lib/neoui-combo.js b/lib/neoui-combo.js
index f91518f..473b68f 100644
--- a/lib/neoui-combo.js
+++ b/lib/neoui-combo.js
@@ -17,8 +17,10 @@ var Combo = u.BaseComponent.extend({
         if (hasClass(this.element, 'mutil-select')) {
             this.mutilSelect = true;
         }
-
+        //onlySelect=true，可以设置单选下拉框为readonly
         this.onlySelect = this.options['onlySelect'] || false;
+        //当在多选的时候，设置selectChangeDatatable为true时，选中一个数据就会动态的去改变datatable
+        this.selectChangeDatatable = this.options['selectChangeDatatable'] || false;
         if (this.mutilSelect) this.onlySelect = true;
 
         this.comboDatas = [];
@@ -406,6 +408,13 @@ var Combo = u.BaseComponent.extend({
                     removeClass(lis[i], 'is-selected');
                 }
             }
+            //选中一个数据就会动态的去改变datatable
+            if (this.selectChangeDatatable) {
+                this.trigger('select', {
+                    value: this.value,
+                    name: this.name
+                });
+            }
             /*根据多选区域div的高度调整input的高度*/
             /*实际上input的高度并不需要调整*/
             /*var h = this._combo_name_par.offsetHeight;
diff --git a/src/neoui-combo.js b/src/neoui-combo.js
index 84e0bd2..0de5ec0 100644
--- a/src/neoui-combo.js
+++ b/src/neoui-combo.js
@@ -38,6 +38,8 @@ var Combo = u.BaseComponent.extend({
         }
         //onlySelect=true，可以设置单选下拉框为readonly
         this.onlySelect = this.options['onlySelect'] || false;
+        //当在多选的时候，设置selectChangeDatatable为true时，选中一个数据就会动态的去改变datatable
+        this.selectChangeDatatable = this.options['selectChangeDatatable'] || false;
         if (this.mutilSelect)
             this.onlySelect = true;
 
@@ -437,6 +439,13 @@ var Combo = u.BaseComponent.extend({
                     removeClass(lis[i], 'is-selected');
                 }
             }
+            //选中一个数据就会动态的去改变datatable
+            if(this.selectChangeDatatable){
+                 this.trigger('select', {
+                    value: this.value,
+                    name: this.name
+                });
+            }
             /*根据多选区域div的高度调整input的高度*/
             /*实际上input的高度并不需要调整*/
             /*var h = this._combo_name_par.offsetHeight;