diff --git a/1234567 b/1234567
index 3d4e13b55..f2f064de8 100644
--- a/1234567
+++ b/1234567
@@ -1 +1 @@
-{"access_token":"xAp1rQu0Xpv8CrlooZydXiyAQIqavONhB6FXnCl1Rw_nM-fyjUz-9foxqgkH2rPMwr5f1THUkzqxshoF3CZHjJM4CautpSlQ5e7MgkjF5-a8GB5gYCxtcdb5C1H2jyMgIOOcCGAPVV","expires_in":7200,"got_token_at":1463640239}
\ No newline at end of file
+{"access_token":"gRbIMUYYKFdANxpBGhYc8iauelCeSy3x7wODnZd1crF9upNiANKAdGaMKFLcgPz_0-oJvRtb7Ai0G1WnL_AnVV-tdRlzlCPpgpO9Z9k9EqrGz2iSLCAbQ35qk0f75KWlRRDfCEAVVH","expires_in":7200,"got_token_at":1464053170}
\ No newline at end of file
diff --git a/public/assets/wechat/blog_detail.html b/public/assets/wechat/blog_detail.html
index 9f229699e..8473b1446 100644
--- a/public/assets/wechat/blog_detail.html
+++ b/public/assets/wechat/blog_detail.html
@@ -36,7 +36,8 @@
             <div class="post-reply-row">
                 <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                 <div class="post-input-container">
-                    <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                    <textarea class="copy-input"></textarea>
+                    <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                 </div>
                 <button ng-click="addBlogReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                 <div class="cl"></div>
diff --git a/public/assets/wechat/course_discussion.html b/public/assets/wechat/course_discussion.html
index 6466e12b8..c790fd5cf 100644
--- a/public/assets/wechat/course_discussion.html
+++ b/public/assets/wechat/course_discussion.html
@@ -42,7 +42,8 @@
                 <div class="post-reply-row">
                     <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                     <div class="post-input-container">
-                        <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                        <textarea class="copy-input"></textarea>
+                        <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                     </div>
                     <button ng-click="addDiscussionReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                     <div class="cl"></div>
diff --git a/public/assets/wechat/course_notice.html b/public/assets/wechat/course_notice.html
index c426f2794..18f62be1e 100644
--- a/public/assets/wechat/course_notice.html
+++ b/public/assets/wechat/course_notice.html
@@ -42,7 +42,8 @@
                 <div class="post-reply-row">
                     <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                     <div class="post-input-container">
-                        <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                        <textarea class="copy-input"></textarea>
+                        <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                     </div>
                     <button ng-click="addNoticeReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                     <div class="cl"></div>
diff --git a/public/assets/wechat/homework_detail.html b/public/assets/wechat/homework_detail.html
index 1af5e185d..5efa7c54d 100644
--- a/public/assets/wechat/homework_detail.html
+++ b/public/assets/wechat/homework_detail.html
@@ -48,7 +48,8 @@
                 <div class="post-reply-row">
                     <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                     <div class="post-input-container">
-                        <input type="text" class="post-reply-input" id="postInput"  ng-model="formData.comment" />
+                        <textarea class="copy-input"></textarea>
+                        <textarea input-auto type="text" class="post-reply-input" id="postInput"  ng-model="formData.comment"></textarea>
                     </div>
                     <button ng-click="addHomeworkReply(formData)" ng-disabled="formData.disabled" value="回复" class="post-reply-submit fr mt10">回复</button>
                     <div class="cl"></div>
diff --git a/public/assets/wechat/issue_detail.html b/public/assets/wechat/issue_detail.html
index 950cbe18e..20c35c664 100644
--- a/public/assets/wechat/issue_detail.html
+++ b/public/assets/wechat/issue_detail.html
@@ -46,7 +46,8 @@
                 <div class="post-reply-row">
                     <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                         <div class="post-input-container">
-                            <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                            <textarea class="copy-input"></textarea>
+                            <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                         </div>
                         <button ng-click="addIssueReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                         <div class="cl"></div>
diff --git a/public/assets/wechat/jour_message_detail.html b/public/assets/wechat/jour_message_detail.html
index 29660e4fd..f9aebd632 100644
--- a/public/assets/wechat/jour_message_detail.html
+++ b/public/assets/wechat/jour_message_detail.html
@@ -34,7 +34,8 @@
             <div class="post-reply-row">
                 <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                 <div class="post-input-container">
-                    <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                    <textarea class="copy-input"></textarea>
+                    <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                 </div>
                 <button ng-click="addJournalReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                 <div class="cl"></div>
diff --git a/public/assets/wechat/project_discussion.html b/public/assets/wechat/project_discussion.html
index 03fda04e5..0c3f9aad3 100644
--- a/public/assets/wechat/project_discussion.html
+++ b/public/assets/wechat/project_discussion.html
@@ -42,7 +42,8 @@
                 <div class="post-reply-row">
                     <!--<div class="post-reply-avatar fl"><img src="images/post-avatar.jpg" width="30" height="30"  /></div>-->
                     <div class="post-input-container">
-                        <input type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" />
+                        <textarea class="copy-input"></textarea>
+                        <textarea input-auto type="text" class="post-reply-input" id="postInput" ng-model="formData.comment" /></textarea>
                     </div>
                     <button ng-click="addDiscussionReply(formData)" ng-disabled="formData.disabled" class="post-reply-submit fr mt10">回复</button>
                     <div class="cl"></div>
diff --git a/public/javascripts/wechat/app.js b/public/javascripts/wechat/app.js
index 7737a46dc..4c9ea260a 100644
--- a/public/javascripts/wechat/app.js
+++ b/public/javascripts/wechat/app.js
@@ -128,6 +128,7 @@ app.factory('common', function($http, auth, $routeParams){
             openid: auth.openid()
         };
 
+        //回复按钮禁用
         data.disabled = true;
 
         $http({
@@ -136,6 +137,7 @@ app.factory('common', function($http, auth, $routeParams){
             data: userInfo
         }).then(function successCallback(response) {
             alert("提交成功");
+            //数据提交完成,回复按钮启用
             data.disabled = false;
             if(typeof cb === 'function'){
                 cb();
@@ -402,6 +404,21 @@ app.directive('textAutoHeight', function($timeout){
     }
 });
 
+app.directive('inputAuto',function(){
+    return{
+        restrict: 'A',
+        scope: {},
+        link: function(scope, element){
+                var copyContainer = element.parent().children().eq(0);
+                element.on('input',function(){
+                    copyContainer.html(element[0].value);
+                    var textHeight = copyContainer[0].scrollHeight;
+                    element.css('height', textHeight + 'px');
+                });
+            }
+    }
+});
+
 app.directive('loadingSpinner', function ($http) {
     return {
         restrict: 'A',
@@ -459,7 +476,7 @@ app.config(['$routeProvider',"$httpProvider",function ($routeProvider, $httpProv
             redirectTo: '/activities'
         });
 
-        //监听异步请求
+        //监听异步请求,实现加载中显隐标记
         $httpProvider.interceptors.push(function ($q, $rootScope) {
             if ($rootScope.activeCalls == undefined) {
                 $rootScope.activeCalls = 0;
diff --git a/public/stylesheets/weui/weixin.css b/public/stylesheets/weui/weixin.css
index 47610d4c5..64598e381 100644
--- a/public/stylesheets/weui/weixin.css
+++ b/public/stylesheets/weui/weixin.css
@@ -66,7 +66,8 @@ a.underline {text-decoration:underline;}
 .post-reply-content img {max-width:100%;}
 .post-reply-date, .post-reply-trigger {font-size:13px;}
 .post-input-container {padding-right:2px;}
-.post-reply-input {width:100%; height:28px; line-height:28px; border:1px solid #e6e6e6; outline:none; padding:0; margin:0; border-radius:3px;}
+.copy-input {width:100%; height:28px; line-height:28px; border-radius:3px; position:absolute; left:-9999em;}
+.post-reply-input {width:100%; height:28px; max-height:84px; line-height:28px; border:1px solid #e6e6e6; outline:none; padding:0; margin:0; border-radius:3px; overflow-y:hidden; resize:none;}
 .post-reply-submit {font-size:13px; padding:3px 8px; color:#fff; background-color:#269ac9; outline:none; border:none; display:inline-block;}
 .reply-icon {background:url(/images/wechat/wechat_icon.png) -100px 1px no-repeat; width:20px; height:18px; display:inline-block; vertical-align:middle;}
 .praise-icon {background:url(/images/wechat/wechat_icon.png) -100px -38px no-repeat; width:20px; height:18px; display:inline-block; vertical-align:middle;}