diff --git a/1.sh b/1.sh
index 6cf23fe..635703d 100644
--- a/1.sh
+++ b/1.sh
@@ -45,6 +45,22 @@ sysctl_config() {
   print_green "###################"
   print_green "##### sysctl ######"
   print_green "###################"
+
+  # 确定 sysctl 配置文件路径
+  SYSCTL_CONF="/etc/sysctl.conf"
+  if [ "$SYSTEM_TYPE" = "debian" ]; then
+    DEBIAN_VERSION=$(grep -oP 'VERSION_ID="\K[^"]+' /etc/os-release 2>/dev/null || cat /etc/debian_version 2>/dev/null | cut -d. -f1)
+
+    if [ -z "$DEBIAN_VERSION" ]; then
+      echo "无法确定 Debian 版本，使用默认配置文件"
+    elif (( DEBIAN_VERSION >= 13 )); then
+      SYSCTL_CONF="/etc/sysctl.d/999-custom.conf"
+      echo "检测到 Debian $DEBIAN_VERSION，使用 $SYSCTL_CONF"
+    else
+      echo "检测到 Debian $DEBIAN_VERSION，使用 $SYSCTL_CONF"
+    fi
+  fi
+
   SYSCTL_SETTINGS=(
     "net.core.rmem_max=16777216"
     "net.core.wmem_max=16777216"
@@ -55,13 +71,17 @@ sysctl_config() {
     "net.ipv4.tcp_notsent_lowat=16384"
     # "net.ipv4.tcp_notsent_lowat=131072"
   )
+
+  # # 确保配置文件目录存在
+  # mkdir -p "$(dirname "$SYSCTL_CONF")"
+
   for SETTING in "${SYSCTL_SETTINGS[@]}"; do      # 遍历数组
     KEY=$(echo "$SETTING" | cut -d '=' -f 1)      # 截取=左边的字符串
-    sed -i "/^$KEY *= *[0-9]*/d" /etc/sysctl.conf # 删除已有的配置
-    echo "$SETTING" >>/etc/sysctl.conf            # 追加新的配置
+    sed -i "/^$KEY *= *[0-9]*/d" "$SYSCTL_CONF"   # 删除已有的配置
+    echo "$SETTING" >>"$SYSCTL_CONF"              # 追加新的配置
     # echo "已添加系统配置: $SETTING"                # 输出提示信息
   done # 循环结束
-  sysctl -p
+  sysctl --system
 }
 
 detect_cn_network() {