diff --git a/src/user_pages/joinGroup/index.scss b/src/user_pages/joinGroup/index.scss
index 4dd7178..05bf69e 100644
--- a/src/user_pages/joinGroup/index.scss
+++ b/src/user_pages/joinGroup/index.scss
@@ -37,6 +37,7 @@
 
   .qrcode {
     width: 240px;
+    height: 240px;
     margin: 32px 0 -20px;
   }