diff --git a/windows-set-netconf.bat b/windows-set-netconf.bat
index 3b8bf42..5342856 100644
--- a/windows-set-netconf.bat
+++ b/windows-set-netconf.bat
@@ -30,7 +30,7 @@ if defined mac_addr (
         rem 配置静态 IPv4 DNS 服务器
         for %%i in (1, 2) do (
             if defined ipv4_dns%%i (
-                netsh interface ipv4 add | find "dnsservers"
+                netsh interface ipv4 add | findstr "dnsservers"
                 if ErrorLevel 1 (
                     rem vista
                     netsh interface ipv4 add dnsserver !id! !ipv4_dns%%i! %%i
@@ -50,7 +50,7 @@ if defined mac_addr (
         rem 配置 IPv6 DNS 服务器
         for %%i in (1, 2) do (
             if defined ipv6_dns%%i (
-                netsh interface ipv6 add | find "dnsservers"
+                netsh interface ipv6 add | findstr "dnsservers"
                 if ErrorLevel 1 (
                     rem vista
                     netsh interface ipv6 add dnsserver !id! !ipv6_dns%%i! %%i
diff --git a/windows-setup.bat b/windows-setup.bat
index e43efec..cba0aa8 100644
--- a/windows-setup.bat
+++ b/windows-setup.bat
@@ -1,5 +1,11 @@
 @echo off
-mode con cp select=65001 >nul
+mode con cp select=437 >nul
+
+rem 正常来说应该用 46001 代码页
+rem 但 win7 find 命令在 46001 代码页下有问题，仅限 win 7
+rem echo a | find "a"
+rem findstr 就正常，但安装程序又没有 findstr
+rem 只好用 437 代码页，好像也没副作用
 
 rem 使用高性能模式
 rem https://learn.microsoft.com/windows-hardware/manufacture/desktop/capture-and-apply-windows-using-a-single-wim