diff --git a/common/src/main/resources/static/layer/3.1/layer.js b/common/src/main/resources/static/layer/3.1/layer.js
index 9becb2e5..26b50d73 100644
--- a/common/src/main/resources/static/layer/3.1/layer.js
+++ b/common/src/main/resources/static/layer/3.1/layer.js
@@ -1,4 +1,4 @@
-/**
+/**
  @Name：layer v3.1.1 Web弹层组件
  @Author：贤心
  @Site：http://layer.layui.com
@@ -144,6 +144,7 @@ var layer = {
   msg: function(content, options, end){ //最常用提示层
     var type = typeof options === 'function', rskin = ready.config.skin;
     var skin = (rskin ? rskin + ' ' + rskin + '-msg' : '')||'layui-layer-msg';
+    skin = skin + ' ' + (options.positionClass || '');
     var anim = doms.anim.length - 1;
     if(type) end = options;
     return layer.open($.extend({
@@ -152,7 +153,7 @@ var layer = {
       shade: false,
       skin: skin,
       title: false,
-      closeBtn: false,
+      closeBtn: options.time && options.time >= 5000 || false,
       btn: false,
       resize: false,
       end: end