diff --git a/Dockerfile b/Dockerfile
index cb81a70..3392358 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # 基础镜像
-FROM golang:1.19beta1-bullseye
+FROM golang:1.19rc1-bullseye
 
 # 作者信息
 LABEL MAINTAINER="xiaoqidun@gmail.com"