diff --git a/public/assets/wechat/join_class.html b/public/assets/wechat/join_class.html
index b5733e584..ad43db3a7 100644
--- a/public/assets/wechat/join_class.html
+++ b/public/assets/wechat/join_class.html
@@ -13,6 +13,7 @@
         <div class="f12 c-grey6 mt10 ml15">
             <span class="f13 c-grey3">提示</span>
             <ul class="mb15 mt5 ml10 new-tip">
+                <li><span class="project-intro-dot">•</span>邀请码在创建班级时产生，请向班级老师获取</li>
                 <li><span class="project-intro-dot">•</span>教师、助教角色需要班级管理员审批</li>
                 <li><span class="project-intro-dot">•</span>学生角色无需管理员审批</li>
             </ul>
diff --git a/public/assets/wechat/join_project.html b/public/assets/wechat/join_project.html
index 61be93cfd..fe8600999 100644
--- a/public/assets/wechat/join_project.html
+++ b/public/assets/wechat/join_project.html
@@ -12,6 +12,7 @@
         <div class="f12 c-grey6 mt10 ml15">
             <span class="f13 c-grey3">提示</span>
             <ul class="mb15 mt5 ml10 new-tip">
+                <li><span class="project-intro-dot">•</span>邀请码在创建项目时产生，请向项目管理员获取</li>
                 <li><span class="project-intro-dot">•</span>管理人员、开发人员角色需要项目管理员审批</li>
                 <li><span class="project-intro-dot">•</span>报告人员角色无需管理员审批</li>
             </ul>