diff --git a/install.sh b/install.sh
index bfe070a..55b702b 100644
--- a/install.sh
+++ b/install.sh
@@ -224,12 +224,13 @@ modify_alterid(){
     echo -e "${GreenBG} alterID:${alterID} ${Font}"
 }
 modify_inbound_port(){
-    if [[ "$shell_mode" = "h2"]]
+    if [[ "$shell_mode" = "h2" ]]
     then
         let PORT=$RANDOM+10000
         sed -i "/\"port\"/c  \    \"port\":${PORT}," ${v2ray_conf}
     else
         sed -i "/\"port\"/c  \    \"port\":${port}," ${v2ray_conf}
+    fi
     judge "V2ray inbound_port 修改"
 }
 modify_UUID(){