diff --git a/Dockerfile b/Dockerfile
index 8419b4e..34389b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # 基础镜像
-FROM golang:1.16beta1-buster
+FROM golang:1.16-rc-buster
 
 # 作者信息
 LABEL MAINTAINER="xiaoqidun@gmail.com"
@@ -7,7 +7,7 @@ LABEL MAINTAINER="xiaoqidun@gmail.com"
 # 安装编译工具链
 RUN apt-get update \
     && apt-get install -y \
-    build-essential mingw-w64 upx-ucl zip
+    build-essential mingw-w64 upx-ucl file zip
 
 # 安装android ndk
 COPY android-ndk-r21d /usr/local/android-ndk-r21d