diff --git a/Dockerfile b/Dockerfile
index c5905d1..1dbf7e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # 多重构建，减少镜像大小
 # 构建：使用golang:1.15版本
-FROM golang:1.15 as build
+FROM golang:1.18 as build
 
 # 容器环境变量添加，会覆盖默认的变量值
 ENV GO111MODULE=on
@@ -24,11 +24,19 @@ COPY static/html static/html
 RUN rm -f /etc/localtime \
     && ln -sv /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone
+
+
+# 优化内核参数
+#RUN sysctl -w net.ipv4.tcp_fin_timeout=15
+#RUN sysctl -w net.ipv4.tcp_tw_recycle=1
+#RUN sysctl -w net.ipv4.ip_local_port_range=1024 65535
+#RUN sysctl -p
 # 在build阶段复制可执行的go二进制文件app
 COPY --from=build /go/release/zyos ./zyos
 
 COPY --from=build /go/release/etc/cfg.yml /var/zyos/cfg.yml
 
 # 启动服务
-CMD ["./zyos","-c","/var/zyos/cfg.yml"]
+#CMD ["./zyos","-c","/var/zyos/cfg.yml"]
+CMD ["bash","-c","sysctl -w net.ipv4.ip_local_port_range='1024 65535' && sysctl -p && ./zyos -c /var/zyos/cfg.yml"]