diff --git a/public/assets/wechat/class_publishissue.html b/public/assets/wechat/class_publishissue.html
index 1d840239c..c6f20421f 100644
--- a/public/assets/wechat/class_publishissue.html
+++ b/public/assets/wechat/class_publishissue.html
@@ -2,8 +2,8 @@
     <div loading-spinner></div>
 
     <div class="blue-title">{{current_course.name}}</div>
-    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="issuetitle" placeholder="发布问题 ，请先输入标题"></div>
-    <div class="full-width-wrap mt15"><textarea class="full-width-textarea" ng-model="issue" placeholder="请输入您的问题内容~"></textarea></div>
+    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="issuetitle" placeholder="发布问题 ，请先输入标题(限255字符)" maxlength="255"></div>
+    <div class="full-width-wrap mt15 mb50"><textarea class="full-width-textarea" ng-model="issue" placeholder="请输入您的问题内容~"></textarea></div>
     <div class="bottom-tab-wrap mt10">
         <a ng-click="cancel()" class="weixin-tab c-grey border-top">取消</a>
         <a ng-click="publishIssue()" class="weixin-tab link-blue2 border-top">确定</a>
diff --git a/public/assets/wechat/class_publishnotice.html b/public/assets/wechat/class_publishnotice.html
index 25c485737..d27e378d3 100644
--- a/public/assets/wechat/class_publishnotice.html
+++ b/public/assets/wechat/class_publishnotice.html
@@ -2,8 +2,8 @@
     <div loading-spinner></div>
 
     <div class="blue-title">{{current_course.name}}</div>
-    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="noticetitle" placeholder="发布通知，请先输入标题"></div>
-    <div class="full-width-wrap mt15"><textarea class="full-width-textarea" ng-model="notice" placeholder="请输入您的通知内容~"></textarea></div>
+    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="noticetitle" placeholder="发布通知，请先输入标题(限64字符)" maxlength="64"></div>
+    <div class="full-width-wrap mt15 mb50"><textarea class="full-width-textarea" ng-model="notice" placeholder="请输入您的通知内容~"></textarea></div>
     <div class="bottom-tab-wrap mt10">
         <a ng-click="cancel()" class="weixin-tab c-grey border-top">取消</a>
         <a ng-click="publishNotice()" class="weixin-tab link-blue2 border-top">确定</a>
diff --git a/public/assets/wechat/project_publishnote.html b/public/assets/wechat/project_publishnote.html
index 5da49397c..bc792640e 100644
--- a/public/assets/wechat/project_publishnote.html
+++ b/public/assets/wechat/project_publishnote.html
@@ -2,8 +2,8 @@
     <div loading-spinner></div>
 
     <div class="blue-title">{{current_project.name}}</div>
-    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="notetitle" placeholder="发布帖子，请先输入帖子标题"></div>
-    <div class="full-width-wrap mt15"><textarea class="full-width-textarea" ng-model="note" placeholder="请输入您的帖子内容~"></textarea></div>
+    <div class="course-list-row f13 c-grey3 mt30"><span class="fl ml15 c-grey3">标题</span><input class="new-class-input ml25" ng-model="notetitle" placeholder="发布帖子，请先输入帖子标题(限255字符)" maxlength="255"></div>
+    <div class="full-width-wrap mt15 mb50"><textarea class="full-width-textarea" ng-model="note" placeholder="请输入您的帖子内容~"></textarea></div>
     <div class="bottom-tab-wrap mt10">
         <a ng-click="cancel()" class="weixin-tab c-grey border-top">取消</a>
         <a ng-click="publishNote()" class="weixin-tab link-blue2 border-top">确定</a>
diff --git a/public/stylesheets/weui/weixin.css b/public/stylesheets/weui/weixin.css
index 25293a027..3d960b4ad 100644
--- a/public/stylesheets/weui/weixin.css
+++ b/public/stylesheets/weui/weixin.css
@@ -257,4 +257,4 @@ a.underline {text-decoration:underline;}
 
 /*发布帖子，通知*/
 .full-width-wrap {padding:5px 15px; background-color:#fff; border-top:1px solid #ddd; border-bottom:1px solid #ddd;}
-.full-width-textarea {width:100%; height:180px; line-height:18px; max-height:180px; border:none; resize:none; font-size:13px; color:#555;}
\ No newline at end of file
+.full-width-textarea {width:100%; height:180px; line-height:18px; max-height:180px; border:none; resize:none; font-size:13px; color:#555; overflow-y:auto;}
\ No newline at end of file