diff --git a/src/components/HomePage.vue b/src/components/HomePage.vue
index 975b8ad..e09640b 100644
--- a/src/components/HomePage.vue
+++ b/src/components/HomePage.vue
@@ -198,6 +198,10 @@ const sendFormLink = async () => {
     alert('企业微信功能尚未准备好，请稍等片刻...')
     return
   }
+  if (!externalUserId.value) {
+    alert('无法获取用户信息，请重新进入页面')
+    return
+  }
   try {
     await ww.sendChatMessage({
       msgtype: 'news',