diff --git a/clashctl b/clashctl
index 2c49da9..68a7a70 100755
--- a/clashctl
+++ b/clashctl
@@ -286,8 +286,28 @@ cmd_stop() {
   esac
 }
 
+safe_regenerate_config() {
+  local config_file="$PROJECT_DIR/runtime/config.yaml"
+
+  echo "[INFO] 正在重新生成配置 ..."
+  if bash "$PROJECT_DIR/scripts/generate_config.sh"; then
+    return 0
+  fi
+
+  echo "[WARN] 配置重新生成失败，可能是订阅不可用或网络异常"
+
+  if [ -s "$config_file" ]; then
+    echo "[WARN] 检测到已有可用配置，继续沿用当前配置"
+    return 2
+  fi
+
+  echo "[ERROR] 未找到可用的本地配置，无法继续"
+  return 1
+}
+
 cmd_update() {
   local branch remote_name dirty pull_ok=1
+  local regen_result=0
 
   if ! has_git_repo; then
     err "当前目录不是 Git 仓库: $PROJECT_DIR"
@@ -302,7 +322,7 @@ cmd_update() {
 
   remote_name="origin"
 
-  # 保护本地 .env（如果你已经把 .env 忽略掉，这段也保留，兜底更稳）
+  # 保护本地 .env
   if [ -f "$PROJECT_DIR/.env" ]; then
     cp -f "$PROJECT_DIR/.env" "$PROJECT_DIR/.env.bak" 2>/dev/null || true
   fi
@@ -340,35 +360,34 @@ cmd_update() {
     mv -f "$PROJECT_DIR/.env.bak" "$PROJECT_DIR/.env" 2>/dev/null || true
   fi
 
-  # 修复脚本权限，避免 203/EXEC
   echo "[INFO] 修复执行权限中..."
+  chmod +x "$PROJECT_DIR"/clashctl 2>/dev/null || true
   chmod +x "$PROJECT_DIR"/scripts/*.sh 2>/dev/null || true
   chmod +x "$PROJECT_DIR"/bin/* 2>/dev/null || true
   sed -i 's/\r$//' "$PROJECT_DIR"/scripts/*.sh 2>/dev/null || true
 
-  # 先停服务，避免 generate 时误判端口占用导致漂移
-  echo "[INFO] 停止服务（准备重新生成配置）..."
-  if has_systemd; then
-    systemctl stop clash-for-linux.service 2>/dev/null || true
-    sleep 1
+  safe_regenerate_config
+  regen_result=$?
+
+  if [ "$regen_result" -eq 1 ]; then
+    err "配置生成失败，且不存在可用旧配置"
+    exit 1
   fi
 
-  echo "[INFO] 生成配置中..."
-  if ! bash "$PROJECT_DIR/scripts/generate_config.sh"; then
-    err "配置生成失败"
-    exit 1
-  fi 
-
-  echo "[INFO] 启动服务中..."
+  echo "[INFO] 正在重启服务 ..."
   if has_systemd; then
-    if ! systemctl start clash-for-linux.service; then
-      err "systemd 启动失败"
+    if ! systemctl restart clash-for-linux.service; then
+      err "systemd 重启失败"
       exit 1
     fi
 
     echo "[INFO] 等待服务就绪..."
     if wait_for_systemd_active; then
-      ok "更新完成"
+      if [ "$regen_result" -eq 2 ]; then
+        ok "代码已更新，当前继续使用旧配置运行"
+      else
+        ok "更新完成"
+      fi
       cmd_status
       return 0
     fi
@@ -382,7 +401,11 @@ cmd_update() {
       exit 1
     fi
 
-    ok "更新完成"
+    if [ "$regen_result" -eq 2 ]; then
+      ok "代码已更新，当前继续使用旧配置运行"
+    else
+      ok "更新完成"
+    fi
     cmd_status
   fi
 }
@@ -390,6 +413,7 @@ cmd_update() {
 cmd_update_force() {
   local branch remote_name
   local env_file backup_file
+  local regen_result=0
 
   if ! has_git_repo; then
     err "当前目录不是 Git 仓库: $PROJECT_DIR"
@@ -429,9 +453,17 @@ cmd_update_force() {
     restore_local_env_overrides "$env_file" "$backup_file"
   fi
 
-  echo "[INFO] 正在重新生成配置 ..."
-  if ! bash "$PROJECT_DIR/scripts/generate_config.sh"; then
-    err "配置生成失败"
+  echo "[INFO] 修复执行权限中..."
+  chmod +x "$PROJECT_DIR"/clashctl 2>/dev/null || true
+  chmod +x "$PROJECT_DIR"/scripts/*.sh 2>/dev/null || true
+  chmod +x "$PROJECT_DIR"/bin/* 2>/dev/null || true
+  sed -i 's/\r$//' "$PROJECT_DIR"/scripts/*.sh 2>/dev/null || true
+
+  safe_regenerate_config
+  regen_result=$?
+
+  if [ "$regen_result" -eq 1 ]; then
+    err "配置生成失败，且不存在可用旧配置"
     exit 1
   fi
 
@@ -448,7 +480,11 @@ cmd_update_force() {
     }
   fi
 
-  ok "强制更新完成"
+  if [ "$regen_result" -eq 2 ]; then
+    ok "强制更新完成，当前继续使用旧配置运行"
+  else
+    ok "强制更新完成"
+  fi
   cmd_status
 }