diff --git a/pages/form/index.ts b/pages/form/index.ts
index 0bc0d05..01bad27 100644
--- a/pages/form/index.ts
+++ b/pages/form/index.ts
@@ -232,6 +232,16 @@ Page({
             content: '房间号不存在！',
           });
         }
+      } else {
+        Message.error({
+          context: this,
+          offset: [90, 32],
+          duration: 3000,
+          content: res.message,
+        });
+        this.setData({
+          isJoin: false
+        })
       }
     }).catch(() => {
       this.setData({