diff --git a/registrar.sh b/registrar.sh
index f7445ee..5f3918a 100755
--- a/registrar.sh
+++ b/registrar.sh
@@ -43,7 +43,7 @@ if [ "$SERVICE_PROTOCOL" = "http" ]; then
   # 抢占路由：给当前 Host 的 router 设置更高优先级
   TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.priority=10000"
   # 可选中间件（注意：值里有逗号也安全）
-  TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.middlewares=gzip-all@file,security-headers@file"
+  TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.middlewares=gzip-all@file,sec-headers@file"
   # 如需 ACME 证书解析器可再加一行（取消注释）
   # TAGS="$TAGS${NL}traefik.http.routers.${SERVICE_NAME}.tls.certresolver=${TRAEFIK_CERT_RESOLVER}"
 elif [ "$SERVICE_PROTOCOL" = "tcp" ]; then