diff --git a/menu.sh b/menu.sh
index 99ee4a4..92905fa 100644
--- a/menu.sh
+++ b/menu.sh
@@ -1677,7 +1677,7 @@ wireproxy_solution(){
 
 # 查 WARP+ 余额流量接口
 check_quota(){
-	if [ $CHECK_TYPE = 1 ]; then
+	if [ "$CHECK_TYPE" = 1 ]; then
 		QUOTA=$(grep -oP 'Quota: \K\d+' <<< $ACCOUNT)
 	else
 		ACCESS_TOKEN=$(grep 'access_token' /etc/wireguard/wgcf-account.toml | cut -d \" -f2)