diff --git a/app/api/mobile/apis/praise.rb b/app/api/mobile/apis/praise.rb
index 3ba6e5eb7..e5577eeb3 100644
--- a/app/api/mobile/apis/praise.rb
+++ b/app/api/mobile/apis/praise.rb
@@ -21,7 +21,7 @@ module Mobile
             praise_or_cancel(obj_type,obj_id,user,1)
             num = get_activity_praise_num(obj)
           else
-            pts.delete if !pts.nil?
+            pts.delete if !pts.empty?
             #再更新praise_tread_cache表 使相应的记录减1 当为0时删除
             ptc = PraiseTreadCache.where("object_id=? and object_type=?",obj_id,obj_type.to_s).first
             ptc.praise_minus(1) if !ptc.nil?
diff --git a/public/assets/wechat/activities.html b/public/assets/wechat/activities.html
index c99c9ee09..716385537 100644
--- a/public/assets/wechat/activities.html
+++ b/public/assets/wechat/activities.html
@@ -118,8 +118,8 @@
               </div>
               <div class="post-interactive">
                 <div class="post-interactive-column c-grey2"><a href="javascript:void(0);" ng-href="#/issues/{{act.act_id}}" class="c-grey"> 回复 ({{act.reply_count}})</a></div>
-                <div class="post-interactive-column c-grey2" ng-if="!act.has_praise" ng-click="addPraise(act);">赞 ({{act.activity_praise_count}})</div>
-                <div class="post-interactive-column c-grey2" ng-if="act.has_praise" ng-click="decreasePraise(act);">已赞 ({{act.activity_praise_count}})</div>
+                <div class="post-interactive-column c-grey2" ng-if="!act.has_praise" ng-click="addPraise(act.act_id,act.act_type);">赞 ({{act.activity_praise_count}})</div>
+                <div class="post-interactive-column c-grey2" ng-if="act.has_praise" ng-click="decreasePraise(act.act_id,act.act_type);">已赞 ({{act.activity_praise_count}})</div>
               </div>
             </div>
           </div>
diff --git a/public/javascripts/wechat/app.js b/public/javascripts/wechat/app.js
index 0a7e80d16..1e0e0f737 100644
--- a/public/javascripts/wechat/app.js
+++ b/public/javascripts/wechat/app.js
@@ -93,9 +93,9 @@ app.controller('ActivityController',function($scope, $http, auth, rms, common){
 
     $scope.loadActData = loadActData;
 
-    $scope.addPraise = function(act){
-        console.log(act);
-        common.addCommonPraise(act,'activities');
+    $scope.addPraise = function(id, type){
+        console.log(type);
+        common.addCommonPraise(id, type);
     }
 
     $scope.decreasePraise = function(act){
@@ -139,14 +139,14 @@ app.factory('common', function($http, auth, $routeParams){
         })
     };
 
-    var addCommonPraise = function(act, type){
+    var addCommonPraise = function(id, type){
         act.activity_praise_count += 1;
         act.has_praise = true;
 
         $http({
             method: 'POST',
-            url: apiUrl,
-            data:{openid:auth.openid(),type:type,id:$routeParams.id}
+            url: apiUrl + "praise/" +id,
+            data:{openid:auth.openid(),type:type}
         }).then(function successCallback(response) {
             console.log("点赞成功");
         }, function errorCallback(response) {
@@ -154,14 +154,14 @@ app.factory('common', function($http, auth, $routeParams){
 
     };
 
-    var decreaseCommonPraise = function(act, type){
+    var decreaseCommonPraise = function(id, type){
         act.activity_praise_count -= 1;
         act.has_praise = false;
 
         $http({
             method: 'POST',
-            url: apiUrl ,
-            data:{openid:auth.openid(),type:type,id:$routeParams.id}
+            url: apiUrl + "praise/" +id,
+            data:{openid:auth.openid(),type:type}
         }).then(function successCallback(response) {
             console.log("取消赞成功");
         }, function errorCallback(response) {