diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index d14bccc4e..ad0fab173 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -372,7 +372,8 @@ class ApplicationController < ActionController::Base
         return true
     end
 
-    if allowed
+
+    if allowed || (params[:type] && params[:type] == "wechat" )
       true
     else
       if @project && @project.archived?
diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 5d1345f24..3986acc0a 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -130,7 +130,12 @@ class AttachmentsController < ApplicationController
   def download
     # modify by nwb
     # 下载添加权限设置
-    candown = attachment_candown @attachment
+    if (params[:type] && params[:type] == "wechat" )
+      candown = true
+    else
+      candown = attachment_candown @attachment
+    end
+
     if candown || User.current.admin? || User.current.id == @attachment.author_id
       if stale?(:etag => @attachment.digest)
         if params[:preview] == 'true'
@@ -710,7 +715,7 @@ class AttachmentsController < ApplicationController
   def has_login
     unless (@attachment && @attachment.container_type == "Organization").nil?
       unless (@attachment && @attachment.container_type == "PhoneAppVersion").nil?
-        render_403 if  !User.current.logged? && !(@attachment.container_type == 'OrgSubfield' && @attachment.container.organization.allow_guest_download) && !(@attachment.container_type == 'OrgDocumentComment' && @attachment.container.organization.allow_guest_download)
+        render_403 if  (!User.current.logged? && !(params[:type] && params[:type] == "wechat")) && !(@attachment.container_type == 'OrgSubfield' && @attachment.container.organization.allow_guest_download) && !(@attachment.container_type == 'OrgDocumentComment' && @attachment.container.organization.allow_guest_download)
       end
     end
   end
diff --git a/public/assets/wechat/class.html b/public/assets/wechat/class.html
index f81b4f5f0..836575b90 100644
--- a/public/assets/wechat/class.html
+++ b/public/assets/wechat/class.html
@@ -230,7 +230,7 @@
     </div>
 
     <div ng-class="{'undis': !showResources}">
-        <div ng-repeat="r in resources|filter:searchText" ng-class="['class-detail-row', 'f13', 'c-grey3', {'border-top': $first}]"><img src="/images/wechat/courseware.png" width="15" class="ml10 fl" /><span class="fl ml10 resource-width">{{r.filename}}</span><a ng-show="isTeacher" herf="javascript:void(0);" class="fr mr10 link-blue2" ng-click="sendFile(r,1)">发送</a><div class="cl"></div></div>
+        <div ng-repeat="r in resources|filter:searchText" ng-class="['class-detail-row', 'f13', 'c-grey3', {'border-top': $first}]"><img src="/images/wechat/courseware.png" width="15" class="ml10 fl" /><a ng-href="{{g_localhost}}/attachments/download/{{r.id}}/{{r.filename}}?type=wechat" target="_blank" class="fl ml10 resource-width">{{r.filename}}</a><a ng-show="isTeacher" herf="javascript:void(0);" class="fr mr10 link-blue2" ng-click="sendFile(r,1)">发送</a><div class="cl"></div></div>
         <p ng-show="resources_tag == true && resources.length<=0" class="class-test-tip">暂无课件，<br />
             请登录Trustie网站，在PC浏览器中上传课件。</p>
     </div>
diff --git a/public/assets/wechat/myresource.html b/public/assets/wechat/myresource.html
index 8bfa818de..1848dad60 100644
--- a/public/assets/wechat/myresource.html
+++ b/public/assets/wechat/myresource.html
@@ -12,7 +12,7 @@
 
     <div ng-class="{'undis': currentTab!=1}">
         <div ng-repeat="r in resources|filter:{filename:searchText}" ng-class="['class-detail-row', 'f13', 'c-grey3', {'border-top': $first}]">
-            <img src="/images/wechat/courseware.png" width="15" class="ml10 fl" /> <span class="fl ml10 resource-width">{{r.filename}}</span><a ng-show="r.current_user_is_teacher" ng-click="sendFile(r,1)" class="fr mr10 link-blue2">发送</a><div class="cl"></div>
+            <img src="/images/wechat/courseware.png" width="15" class="ml10 fl" /> <a ng-href="{{g_localhost}}/attachments/download/{{r.id}}/{{r.filename}}?type=wechat" target="_blank" class="fl ml10 resource-width">{{r.filename}}</a><a ng-show="r.current_user_is_teacher" ng-click="sendFile(r,1)" class="fr mr10 link-blue2">发送</a><div class="cl"></div>
             <span class="f12 mt5 ml35 c-grey4 fl courseware-from-width hidden">课件来源：{{r.coursename}}</span><span class="f12 ml10 mt5 c-grey4 fl">大小：{{r.attafile_size}}</span><div class="cl"></div>
         </div>
         <div ng-if="has_more">
diff --git a/public/javascripts/wechat/controllers/class.js b/public/javascripts/wechat/controllers/class.js
index 1e9fbcb0e..ea394a1ff 100644
--- a/public/javascripts/wechat/controllers/class.js
+++ b/public/javascripts/wechat/controllers/class.js
@@ -6,6 +6,9 @@ app.controller('ClassController', ['$scope', 'config','$http', 'auth','$location
     };
 
     var vm = $scope;
+
+    vm.g_localhost = window.g_localhost;
+
     var courseid = $routeParams.id;
     var tag = $routeParams.tag;
 
diff --git a/public/javascripts/wechat/controllers/myresource.js b/public/javascripts/wechat/controllers/myresource.js
index d920b376a..f6bb1bb00 100644
--- a/public/javascripts/wechat/controllers/myresource.js
+++ b/public/javascripts/wechat/controllers/myresource.js
@@ -3,6 +3,9 @@ app.controller('MyResourceController', ['$scope', '$http', 'auth', 'config', '$l
 
     var vm = $scope;
 //    vm.menus = ['课件', '作业', '测验'];
+
+    vm.g_localhost = window.g_localhost;
+
     vm.menus = ['课件', '作业'];
 
     vm.resources = [];