diff --git a/conf/config.json b/conf/config.json
index b0f692e..7b8bd6b 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -5,7 +5,7 @@
         "logfile":"$[workdir]$/logs/pcapi.log"
     },  
     "authentication":{
-	    "user":"root",
+	    "user":"ysh",
 	    "password":"Kyy@123456",
 	    "iplist":[
 		    "47.93.12.75",
diff --git a/script/k8s_uninstall.sh b/script/k8s_uninstall.sh
index b1884c8..7ded2b6 100644
--- a/script/k8s_uninstall.sh
+++ b/script/k8s_uninstall.sh
@@ -1,117 +1,267 @@
 #!/bin/bash
 set -euo pipefail
 
-# 定义颜色输出函数
-red_echo() {
-    echo -e "\033[31m$1\033[0m"
-}
-green_echo() {
-    echo -e "\033[32m$1\033[0m"
-}
-yellow_echo() {
-    echo -e "\033[33m$1\033[0m"
-}
+# 颜色输出函数
+red_echo() { echo -e "\033[31m$1\033[0m"; }
+green_echo() { echo -e "\033[32m$1\033[0m"; }
+yellow_echo() { echo -e "\033[33m$1\033[0m"; }
 
-# ========================
-# 清理流程
-# ========================
-cleanup_steps() {
-    # 1. 停止服务
-    green_echo "1. 停止K8s及容器运行时服务..."
-    systemctl stop kubelet kube-apiserver kube-controller-manager kube-scheduler kube-proxy etcd nfs-kernel-server containerd docker &> /dev/null || true
-    systemctl disable kubelet kube-apiserver kube-controller-manager kube-scheduler kube-proxy etcd nfs-kernel-server containerd docker &> /dev/null || true
-
-    # 2. 清理进程
-    green_echo "2. 清理K8s相关进程..."
-    ps -aux | grep -E 'kube|etcd|containerd|docker' | grep -v grep | awk '{print $2}' | xargs -r kill -9 &> /dev/null || true
-
-    # 3. 清理网络资源
-    green_echo "3. 清理CNI网络资源..."
-    ip link delete cni0 &> /dev/null || true
-    ip link delete flannel.1 &> /dev/null || true
-    rm -rf /var/lib/cni/networks/* /var/lib/cni/loader/* /etc/cni/net.d/* &> /dev/null || true
-
-    # 4. kubeadm reset
-    green_echo "4. 执行kubeadm reset..."
-    kubeadm reset -f &> /dev/null || true
-
-    # 5. 卸载软件包
-    green_echo "5. 卸载K8s及容器运行时软件包..."
-    apt-get purge -y kubelet kubectl kubeadm kubernetes-cni cri-tools containerd.io docker-ce docker-ce-cli &> /dev/null || true
-    apt-get autoremove -y &> /dev/null || true
-
-    # 6. 清理配置和数据目录
-    green_echo "6. 清理配置和数据目录..."
-    rm -rf /etc/kubernetes /var/lib/kubelet /var/lib/kubernetes /var/lib/etcd /var/lib/kubeadm /var/lib/kube-proxy /var/lib/containerd /var/lib/docker &> /dev/null || true
-
-    # 7. 清理systemd服务残留
-    green_echo "7. 清理systemd服务残留..."
-    rm -f /lib/systemd/system/{containerd,docker,kubelet}.service &> /dev/null || true
-    rm -f /etc/systemd/system/multi-user.target.wants/{containerd,docker,kubelet}.service &> /dev/null || true
-    systemctl daemon-reload &> /dev/null || true
-
-    # 8. 清理网络规则
-    green_echo "8. 清理iptables和ipvs规则..."
-    iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X &> /dev/null || true
-    ipvsadm --clear &> /dev/null || true
-
-    # 9. 清理源和kubeconfig
-    green_echo "9. 清理软件源和kubeconfig..."
-    rm -rf /etc/apt/sources.list.d/{docker,kubernetes,kuboard}* &> /dev/null || true
-    rm -rf $HOME/.kube/config &> /dev/null || true
-
-    # 10. 更新软件包缓存
-    green_echo "10. 更新软件包缓存..."
-    apt-get update &> /dev/null || true
-}
-
-# ========================
-# 验证清理结果
-# ========================
-verify_cleanup() {
-    green_echo "\n开始验证清理结果..."
-    local is_clean=true
-
-    # 检查关键服务状态
-    for service in kubelet docker containerd; do
-        if systemctl is-active "$service" &> /dev/null; then
-            red_echo "  ❌ 服务 $service 仍在运行"
-            is_clean=false
-        else
-            green_echo "  ✔️ 服务 $service 已停止"
-        fi
-    done
-
-    # 检查关键命令是否残留
-    for cmd in kubectl kubeadm docker containerd; do
-        if command -v "$cmd" &> /dev/null; then
-            red_echo "  ❌ 命令 $cmd 仍存在"
-            is_clean=false
-        else
-            green_echo "  ✔️ 命令 $cmd 已移除"
-        fi
-    done
-
-    # 检查关键目录是否残留
-    for dir in /etc/kubernetes /var/lib/kubelet /var/lib/containerd /var/lib/docker; do
-        if [ -d "$dir" ]; then
-            red_echo "  ❌ 目录 $dir 未完全清理"
-            is_clean=false
-        else
-            green_echo "  ✔️ 目录 $dir 已删除"
-        fi
-    done
-
-    # 最终结果
-    if $is_clean; then
-        green_echo "\n🎉 清理成功！环境已准备好重新安装K8s。"
+# 强制清理函数
+force_clean() {
+    local cmd=$*
+    if eval "$cmd"; then
+        green_echo "  执行成功: $cmd"
     else
-        red_echo "\n❌ 清理不彻底，请手动检查残留项！"
+        yellow_echo "  执行失败，但继续: $cmd"
     fi
 }
 
 # ========================
-# 执行清理和验证
+# 核心函数：彻底清理tunl0接口
 # ========================
-cleanup_steps
-verify_cleanup
\ No newline at end of file
+clean_tunl0() {
+    green_echo "  专项清理tunl0接口..."
+    # 尝试1：常规停用+删除
+    force_clean "ip link set tunl0 down || true"
+    force_clean "ip link delete tunl0 || true"
+    
+    # 尝试2：卸载ipip模块后删除（tunl0依赖的内核模块）
+    force_clean "rmmod ipip || true"
+    force_clean "ip link delete tunl0 || true"
+    
+    # 尝试3：检查是否有残留的tunl0配置并删除
+    if ip link show tunl0 &> /dev/null; then
+        force_clean "ip link set tunl0 nomaster || true"  # 移除主接口关联
+        force_clean "ip link delete tunl0 || true"
+    fi
+}
+
+# ========================
+# 第一阶段：强制清理核心组件
+# ========================
+cleanup_core() {
+    green_echo "===== 第一阶段：清理核心K8s组件 ====="
+
+    # 1. 强制终止所有相关进程
+    green_echo "1. 强制终止K8s/容器相关进程..."
+    force_clean "ps -aux | grep -E 'kube|etcd|containerd|docker|cni|flannel|tunl0' | grep -v grep | awk '{print \$2}' | xargs -r kill -9"
+    force_clean "pkill -f 'kube|etcd|containerd|docker|cni|flannel' || true"
+
+    # 2. 强制清理网络资源（优先处理tunl0）
+    green_echo "2. 强制清理网络资源..."
+    clean_tunl0  # 调用专项清理函数
+    
+    # 清理其他网络接口
+    force_clean "ip link set flannel.1 down || true"
+    force_clean "ip link delete flannel.1 || true"
+    force_clean "ip link set cni0 down || true"
+    force_clean "ip link delete cni0 || true"
+    force_clean "ip link set docker0 down || true"
+    force_clean "ip link delete docker0 || true"
+    
+    # 清理路由和规则
+    force_clean "ip route flush proto bird || true"
+    force_clean "rm -rf /var/lib/cni/* /etc/cni/net.d/* || true"
+    force_clean "iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X || true"
+    force_clean "ip6tables -F && ip6tables -t nat -F && ip6tables -t mangle -F && ip6tables -X || true"
+    force_clean "ipvsadm --clear || true"
+
+    # 3. 强制重置K8s配置
+    green_echo "3. 强制重置K8s配置..."
+    force_clean "kubeadm reset -f --cri-socket unix:///var/run/containerd/containerd.sock || true"
+    force_clean "kubeadm reset -f --cri-socket unix:///var/run/docker.sock || true"
+    force_clean "rm -f /etc/kubernetes/flannel/* || true"
+}
+
+# ========================
+# 第二阶段：彻底卸载软件包
+# ========================
+cleanup_packages() {
+    green_echo "\n===== 第二阶段：彻底卸载软件包 ====="
+    force_clean "apt-get purge -y kubelet kubectl kubeadm kubernetes-cni cri-tools --allow-change-held-packages || true"
+    force_clean "dpkg -P kubelet kubectl kubeadm kubernetes-cni cri-tools || true"
+    force_clean "apt-get purge -y containerd containerd.io docker-ce docker-ce-cli docker-buildx-plugin docker-compose-plugin --allow-change-held-packages || true"
+    force_clean "dpkg -P containerd containerd.io docker-ce docker-ce-cli || true"
+    force_clean "apt-get autoremove -y --purge || true"
+    force_clean "apt-get autoclean || true"
+}
+
+# ========================
+# 第三阶段：删除所有相关目录
+# ========================
+cleanup_directories() {
+    green_echo "\n===== 第三阶段：删除所有相关目录 ====="
+    
+    # 卸载containerd挂载点
+    green_echo "  卸载containerd挂载点..."
+    local containerd_mounts=$(mount | grep "containerd" | awk '{print $3}')
+    if [ -n "$containerd_mounts" ]; then
+        force_clean "echo '$containerd_mounts' | xargs -I {} umount -l {} || true"
+    else
+        green_echo "  无containerd挂载点需要卸载"
+    fi
+    
+    # 卸载SHM挂载点
+    green_echo "  卸载共享内存(SHM)挂载点..."
+    local shm_mounts=$(mount | grep "tmpfs.*type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k,mode=700)" | awk '{print $3}')
+    if [ -n "$shm_mounts" ]; then
+        force_clean "echo '$shm_mounts' | xargs -I {} umount -l {} || true"
+    else
+        green_echo "  无SHM挂载点需要卸载"
+    fi
+    
+    # 处理活跃的SHM文件（临时关闭set -e避免退出）
+    green_echo "  删除所有活跃的SHM文件..."
+    set +e
+    for pid in $(ls -1 /proc/ 2>/dev/null | grep -E '^[0-9]+$' || true); do
+        if [ -f "/proc/$pid/mounts" ] && [ -r "/proc/$pid/mounts" ]; then
+            grep "shm" "/proc/$pid/mounts" 2>/dev/null | grep "containerd" 2>/dev/null | while read -r line; do
+                shm_path=$(echo "$line" | awk '{print $2}')
+                if [ -n "$shm_path" ] && [ -d "$shm_path" ]; then
+                    umount -l "$shm_path" 2>/dev/null || true
+                    echo "  已尝试卸载SHM: $shm_path"
+                fi
+            done
+        fi
+    done
+    set -e
+    
+    # 清理/k8sdata目录内容
+    green_echo "  清理/k8sdata目录内容..."
+    force_clean "rm -rf /k8sdata/* /k8sdata/.* || true"
+    
+    # 清理containerd残留目录
+    green_echo "  清理containerd容器残留..."
+    force_clean "rm -rf /run/containerd/io.containerd.grpc.v1.cri/sandboxes/* || true"
+    force_clean "rm -rf /run/containerd/io.containerd.runtime.v2.task/k8s.io/* || true"
+    
+    # 清理其他目录
+    local dirs=(
+        /etc/kubernetes /var/lib/kubelet /var/lib/kubernetes /var/lib/etcd
+        /var/lib/kube-proxy /var/lib/kubeadm /var/lib/cni
+        /var/lib/containerd /var/lib/docker /run/containerd /run/docker
+        /etc/containerd /etc/docker /usr/local/bin/kube* /usr/local/bin/etcd*
+        $HOME/.kube /root/.kube /var/lib/flannel /etc/flannel
+    )
+    for dir in "${dirs[@]}"; do
+        force_clean "rm -rf $dir || true"
+        if [ -d "$dir" ]; then
+            force_clean "rm -rf --one-file-system $dir || true"
+        fi
+    done
+}
+
+# ========================
+# 第四阶段：清理系统服务
+# ========================
+cleanup_services() {
+    green_echo "\n===== 第四阶段：清理系统服务 ====="
+    local services=(kubelet kube-apiserver kube-controller-manager kube-scheduler kube-proxy etcd containerd docker)
+    for service in "${services[@]}"; do
+        force_clean "systemctl stop $service || true"
+        force_clean "systemctl disable $service || true"
+        force_clean "rm -f /lib/systemd/system/$service.service || true"
+        force_clean "rm -f /etc/systemd/system/$service.service || true"
+        force_clean "rm -f /etc/systemd/system/multi-user.target.wants/$service.service || true"
+    done
+    force_clean "systemctl daemon-reload || true"
+    force_clean "systemctl reset-failed || true"
+}
+
+# ========================
+# 最终验证：确保无残留（含tunl0专项检查）
+# ========================
+verify_perfect_cleanup() {
+    green_echo "\n===== 最终验证：确保无残留 ====="
+    local is_perfect=true
+
+    # 1. 验证进程无残留
+    green_echo "1. 验证进程无残留..."
+    local processes=$(ps -aux | grep -E 'kube|etcd|containerd|docker|cni|flannel' | grep -v grep)
+    if [ -n "$processes" ]; then
+        red_echo "  ❌ 发现残留进程:"
+        echo "$processes"
+        is_perfect=false
+    else
+        green_echo "  ✔️ 无残留进程"
+    fi
+
+    # 2. 验证命令无残留
+    green_echo "2. 验证命令无残留..."
+    local cmds=(kubectl kubeadm kubelet containerd docker etcd)
+    for cmd in "${cmds[@]}"; do
+        if command -v "$cmd" &> /dev/null; then
+            red_echo "  ❌ 命令 $cmd 仍存在"
+            is_perfect=false
+        fi
+    done
+    if [ "$is_perfect" = true ]; then
+        green_echo "  ✔️ 无残留命令"
+    fi
+
+    # 3. 验证目录无残留
+    green_echo "3. 验证目录无残留..."
+    # 验证/k8sdata是否为空
+    if [ "$(ls -A /k8sdata 2>/dev/null)" ]; then
+        red_echo "  ❌ 目录/k8sdata不为空"
+        is_perfect=false
+    else
+        green_echo "  ✔️ 目录/k8sdata为空"
+    fi
+    # 验证containerd目录是否为空
+    if [ "$(ls -A /run/containerd/io.containerd.grpc.v1.cri/sandboxes 2>/dev/null)" ]; then
+        red_echo "  ❌ containerd沙箱目录不为空"
+        is_perfect=false
+    else
+        green_echo "  ✔️ containerd沙箱目录为空"
+    fi
+    if [ "$(ls -A /run/containerd/io.containerd.runtime.v2.task/k8s.io 2>/dev/null)" ]; then
+        red_echo "  ❌ containerd运行时目录不为空"
+        is_perfect=false
+    else
+        green_echo "  ✔️ containerd运行时目录为空"
+    fi
+    # 验证其他目录
+    local other_dirs=(
+        /etc/kubernetes /var/lib/kubelet /var/lib/etcd /var/lib/cni
+        /var/lib/containerd /var/lib/docker $HOME/.kube /var/lib/flannel
+    )
+    for dir in "${other_dirs[@]}"; do
+        if [ -d "$dir" ] || [ -f "$dir" ]; then
+            red_echo "  ❌ 目录/文件 $dir 仍存在"
+            is_perfect=false
+        fi
+    done
+
+    # 4. 验证网络无残留（核心：tunl0专项检查+最后清理）
+    green_echo "4. 验证网络无残留..."
+    # 最后一次尝试清理tunl0（防止验证前重新出现）
+    clean_tunl0
+    # 检查残留接口
+    local interfaces=$(ip link show | grep -E 'cni0|flannel.1|docker0|tunl0' | awk '{print $2}' | sed 's/://')
+    if [ -n "$interfaces" ]; then
+        red_echo "  ❌ 发现残留网络接口: $interfaces (如果是tunl0请忽略)"
+        is_perfect=false
+    else
+        green_echo "  ✔️ 无残留网络接口"
+    fi
+
+    # 最终结果
+    if [ "$is_perfect" = true ]; then
+        green_echo "\n🎉 完美清理！系统中已无任何K8s相关残留，可安全重新安装。"
+    else
+        red_echo "\n❌ 清理不彻底！以上残留项需手动处理。"
+        exit 1
+    fi
+}
+
+# ========================
+# 执行完整流程
+# ========================
+green_echo "===== 开始K8s彻底清理流程 ====="
+cleanup_core
+cleanup_packages
+cleanup_directories
+cleanup_services
+sleep 20  # 延长等待，确保内核释放所有资源
+verify_perfect_cleanup
\ No newline at end of file