diff --git a/src/main/webapp/static/global/scripts/common.js b/src/main/webapp/static/global/scripts/common.js
index 6f4e6c694..0ec31e514 100644
--- a/src/main/webapp/static/global/scripts/common.js
+++ b/src/main/webapp/static/global/scripts/common.js
@@ -238,6 +238,7 @@ $(function(){
    	   width:$(tagsInputSettings).find(".form-control").width(),
    	   defaultText:'please input keywords',
    	   'delimiter':'***and***',//特殊字符串分隔与表达式的多关键词
+   	   maxCount:4,
    	   onAddTag:function(tag,size){
    		   //var keywordValue = "";
    		   var objNamePrefix = $(this).attr("name").split("cfgKeywords")[0];
diff --git a/src/main/webapp/static/global/scripts/jquery.tagsinput.js b/src/main/webapp/static/global/scripts/jquery.tagsinput.js
index 0ffc4bb02..6de889359 100644
--- a/src/main/webapp/static/global/scripts/jquery.tagsinput.js
+++ b/src/main/webapp/static/global/scripts/jquery.tagsinput.js
@@ -15,7 +15,7 @@
 */
 
 (function($) {
-
+	var kaiOptions = new Array();
 	var delimiter = new Array();
 	var tags_callbacks = new Array();
 	$.fn.doAutosize = function(o){
@@ -82,6 +82,11 @@
 					tagslist = new Array();
 				}
 
+				var maxCount=kaiOptions[id]['maxCount'];
+				if(maxCount>0 && tagslist.length>maxCount-1){
+					$('#'+id+'_tag').addClass('not_valid');
+					return ;
+				}
 				value = jQuery.trim(value);
 		
 				if (options.unique) {
@@ -190,6 +195,7 @@
       placeholderColor:'#666666',
       autosize: true,
       comfortZone: 20,
+      maxCount:0,
       inputPadding: 6*2
     },options);
 
@@ -210,6 +216,8 @@
 				fake_input: '#'+id+'_tag'
 			},settings);
 	
+			kaiOptions[id] = new Array();
+			kaiOptions[id]['maxCount']=settings.maxCount;
 			delimiter[id] = data.delimiter;
 			
 			if (settings.onAddTag || settings.onRemoveTag || settings.onChange) {