diff --git a/build.sh b/build.sh
index abd2020..0475782 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,8 @@ cpu=$(arch) #cpu架构
 sys=$(cat /etc/issue)
 sys=${sys%% *} #操作系统
 mainverstr="s/ver_1/4/g"  #版本控制
-minver="24"
+minver=$(cat ../sdk/include/huagao/brand.h |grep VERSION_SUB)
+minver=${minver: -2}
 minverstr="s/ver_2/"
 verstr3="s/ver_3/"
 ver3=10