关键字为空时，创建时的关键词获取问题修复。

public/static/assets/gougu/module/tagpicker.js

@@ -37,24 +37,21 @@ layui.define(['layer'],function(exports){
 				if(e.code==0){
 					if(e.data.length>0){
 						me.ajaxData=e.data;
-						layer.open({
+					}					
-							title:me.settings.title,
+					layer.open({
-							area:[me.settings.width+'px',me.settings.height+'px'],
+						title:me.settings.title,
-							content:me.render(),
+						area:[me.settings.width+'px',me.settings.height+'px'],
-							type:1,
+						content:me.render(),
-							success:function(){
+						type:1,
-								me.click();
+						success:function(){
-							},
+							me.click();
-							btn: ['确定'],
+						},
-							yes: function(idx){
+						btn: ['确定'],
-								me.set();
+						yes: function(idx){
-								layer.close(idx);
+							me.set();
-							}
+							layer.close(idx);
-						});
+						}
-					}
+					});
-					else{
-					  layer.msg('暂无数据');
-					}
 				}else{
 				  layer.msg(e.msg);
 				}