diff --git a/amd64/additional-base-lib/build.sh b/amd64/additional-base-lib/build.sh
index 445b033..c457c98 100755
--- a/amd64/additional-base-lib/build.sh
+++ b/amd64/additional-base-lib/build.sh
@@ -9,10 +9,12 @@ if [ "$1" = "amd64" ] || [ "$1" = "x64" ];then
 ARCH="amd64"
 ARCH_ANOTHERWAY="-amd64"
 ARCH_STORE_PATH="amd64-store"
+DEBIAN_MULTIARCH="x86_64-linux-gnu"
 elif [ "$1" = "arm64" ] || [ "$1" = "arm" ];then
 ARCH="arm64"
 ARCH_ANOTHERWAY="-aarch64"
 ARCH_STORE_PATH="arm64-store"
+DEBIAN_MULTIARCH="aarch64-linux-gnu"
 elif [ "$1" = "loong64" ];then
 ARCH="loong64"
 ARCH_ANOTHERWAY="-loong64"
@@ -174,10 +176,7 @@ DEBIAN_DEB_ARCH=$LIBC6_ARCH
 echo "$DEBIAN_DEB_ARCH"
 
 echo "debian multiarch directory name:"
-DEBIAN_MULTIARCH=${ARCH}
-check $?
-DEBIAN_MULTIARCH=${DEBIAN_MULTIARCH:21}
-echo "$DEBIAN_MULTIARCH"
+
 
 echo "check usrmerge status:":
 if [ -d "./downloads/libc6/lib" ]