diff --git a/public/assets/wechat/templates/alert3.html b/public/assets/wechat/templates/alert3.html
index 11e2c6d28..c7516450c 100644
--- a/public/assets/wechat/templates/alert3.html
+++ b/public/assets/wechat/templates/alert3.html
@@ -5,11 +5,11 @@
             <form class="mb20">
                 <input type="text" class="class-number-input" ng-model="invite" />
             </form>
-            <a href="javascript:void(0);" class="c-grey4 fl cancel-btn" ng-click="dismiss()" >取消</a>
+            <a href="javascript:void(0);" class="c-grey3 fl cancel-btn" ng-click="dismiss()" >取消</a>
             <div class="slice fl">
                 <div class="slice-line"></div>
             </div>
-            <a href="javascript:void(0);" class="c-blue fl submit-btn" ng-click="confirm()" >确定</a>
+            <a href="javascript:void(0);" class="c-green fl submit-btn" ng-click="confirm()" >确定</a>
         </div>
     </div>
 </div>
\ No newline at end of file
diff --git a/public/stylesheets/weui/weixin.css b/public/stylesheets/weui/weixin.css
index 7082955e3..a81541e39 100644
--- a/public/stylesheets/weui/weixin.css
+++ b/public/stylesheets/weui/weixin.css
@@ -55,6 +55,8 @@ blockquote {border:1px solid #d4d4d4; padding: 0.6em; margin: 5px 0.4em 5px 1.4e
 a {color:#707070;}
 a.c-grey {color:#707070;}
 a.c-grey2 {color:#9a9a9a;}
+a.c-grey3 {color:#353535;}
+a.c-green {color:#0bb20c;}
 a:link,a:visited{text-decoration:none;}
 a:hover,a:active{cursor:pointer;}
 a.link-blue {color:#269ac9;}
@@ -154,7 +156,7 @@ a.underline {text-decoration:underline;}
 
 /*20150612加入班级样式*/
 .add-class-box {position:fixed; width:80%; max-width:300px; min-width:240px; font-size:15px; color:#444; background-color:#fff; margin:0 auto; box-shadow: 0px 2px 8px rgba(146, 153, 169, 0.5); border-radius:5px; top:50%; left:50%; transform: translate(-50%,-50%);}
-.add-class-tip {padding-top:20px; padding-bottom:20px;}
+.add-class-tip {padding-top:1.2em; padding-bottom:.5em; font-weight:400;}
 .class-number-input {width:80%; max-width:240px; height:28px; border:1px solid #ccc; padding-left:5px; margin:0 auto; display:block;}
 .cancel-btn {width:49%; height:37px; line-height:37px; text-align:center; vertical-align:middle; border-top:1px solid #ccc;}
 .submit-btn {width:49%; height:37px; line-height:37px; text-align:center; vertical-align:middle; border-top:1px solid #ccc;}