From a48edbb18ce5abeca51725765dc86505ad0c1c0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=94=AC=E5=93=A5=E4=BE=83=E4=BE=83=E4=BE=83ygkkk?=
 <121604513+yonggekkk@users.noreply.github.com>
Date: Tue, 9 Sep 2025 17:46:04 +0800
Subject: [PATCH] Fix syntax for curl command checks in sb.sh

---
 sb.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sb.sh b/sb.sh
index d77d758..dde120e 100644
--- a/sb.sh
+++ b/sb.sh
@@ -152,7 +152,7 @@ wgcfv4=$(curl -s4m5 https://www.cloudflare.com/cdn-cgi/trace -k | grep warp | cu
 
 v6(){
 v4orv6(){
-if [ -z $(curl -s4m5 icanhazip.com -k) ]; then
+if [ -z "$(curl -s4m5 icanhazip.com -k)" ]; then
 echo
 red "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
 yellow "检测到 纯IPV6 VPS，添加NAT64"
@@ -161,7 +161,7 @@ ipv=prefer_ipv6
 else
 ipv=prefer_ipv4
 fi
-if [ -n $(curl -s6m5 icanhazip.com -k) ]; then
+if [ -n "$(curl -s6m5 icanhazip.com -k)" ]; then
 endip=2606:4700:d0::a29f:c001
 else
 endip=162.159.192.1