diff --git a/reinstall.bat b/reinstall.bat
index af00357..f27c12c 100644
--- a/reinstall.bat
+++ b/reinstall.bat
@@ -37,7 +37,7 @@ if not exist %tmp% (
 rem 检查是否国内
 if not exist geoip (
     rem www.cloudflare.com/dash.cloudflare.com 国内访问的是美国服务器，而且部分地区被墙
-    call :download http://www.visa.cn/cdn-cgi/trace %~dp0geoip || goto :download_failed
+    call :download http://www.qualcomm.cn/cdn-cgi/trace %~dp0geoip || goto :download_failed
 )
 findstr /c:"loc=CN" geoip >nul
 if not errorlevel 1 (
diff --git a/reinstall.sh b/reinstall.sh
index 89fb4e5..5841e7a 100644
--- a/reinstall.sh
+++ b/reinstall.sh
@@ -149,13 +149,13 @@ is_in_china() {
 
     if [ -z "$_loc" ]; then
         # www.cloudflare.com/dash.cloudflare.com 国内访问的是美国服务器，而且部分地区被墙
-        # 备用 www.bose.cn
-        # 备用 www.qualcomm.cn
+        # 没有ipv6 www.visa.cn
+        # 没有ipv6 www.bose.cn
+        # 没有ipv6 www.garmin.com.cn
         # 备用 www.prologis.cn
-        # 备用 www.garmin.com.cn
         # 备用 www.autodesk.com.cn
         # 备用 www.keysight.com.cn
-        if ! _loc=$(curl -L http://www.visa.cn/cdn-cgi/trace | grep '^loc=' | cut -d= -f2 | grep .); then
+        if ! _loc=$(curl -L http://www.qualcomm.cn/cdn-cgi/trace | grep '^loc=' | cut -d= -f2 | grep .); then
             error_and_exit "Can not get location."
         fi
         echo "Location: $_loc" >&2