diff --git a/scripts/libs/core_tools.sh b/scripts/libs/core_tools.sh
index 39f54253..4bd1decb 100644
--- a/scripts/libs/core_tools.sh
+++ b/scripts/libs/core_tools.sh
@@ -72,8 +72,11 @@ core_webget(){
 		[ -z "$zip_type" ] && zip_type='tar.gz'
 		get_bin "$TMPDIR/Coretmp.$zip_type" "bin/$crashcore/${target}-linux-${cpucore}.$zip_type"
 	else
-		zip_type=$(echo "$custcorelink" | grep -oE 'tar.gz$')
-		[ -z "$zip_type" ] && zip_type=$(echo "$custcorelink" | grep -oE 'gz$')
+		case "$custcorelink" in
+			*.tar.gz) zip_type="tar.gz" ;;
+			*.gz)     zip_type="gz" ;;
+			*.upx)    zip_type="upx" ;;
+		esac
 		[ -n "$zip_type" ] && webget "$TMPDIR/Coretmp.$zip_type" "$custcorelink"
 	fi
 	#校验内核
diff --git a/scripts/menus/9_upgrade.sh b/scripts/menus/9_upgrade.sh
index f1d671eb..a7f9d804 100644
--- a/scripts/menus/9_upgrade.sh
+++ b/scripts/menus/9_upgrade.sh
@@ -354,7 +354,7 @@ setcustcore(){ #自定义内核
 		checkcustcore
 	;;
 	9)
-		read -p "请输入自定义内核的链接地址(必须是以.tar.gz或.gz结尾的压缩文件) > " link
+		read -p "请输入自定义内核的链接地址(必须是以.tar.gz、.upx或.gz结尾的压缩文件) > " link
 		[ -n "$link" ] && custcorelink="$link"
 		setcoretype
 		getcore
@@ -398,7 +398,7 @@ setcore() {
         [ -z "$crashcore" ] && crashcore="unknow"
         [ -z "$zip_type" ] && zip_type="tar.gz"
         echo "$crashcore" | grep -q 'singbox' && core_old=singbox || core_old=clash
-        [ -n "$custcorelink" ] && custcore="$(echo $custcorelink | sed 's#.*github.com##; s#/releases/download/#@#; s#-linux.*$##')"
+        [ -n "$custcorelink" ] && custcore="$(echo $custcorelink | sed 's#.*github.com##; s#/releases/download/#@#')"
         ###
         echo "-----------------------------------------------"
         [ -z "$cpucore" ] && check_cpucore