diff --git a/install.sh b/install.sh
index 55b702b..1f7717d 100644
--- a/install.sh
+++ b/install.sh
@@ -676,6 +676,7 @@ judge_mode(){
         then
             shell_mode="ws"
         elif [[ -n $(grep "h2" $v2ray_qr_config_file) ]]
+        then
             shell_mode="h2"
         fi
     fi