diff --git a/Dockerfile b/Dockerfile
index ad8b819..a81e035 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,9 @@ RUN apk update && apk add --no-cache ca-certificates tzdata
 ENV FRP_VERSION 0.45.0
 ENV MACHINE linux_amd64
 RUN wget https://github.com/fatedier/frp/releases/download/v${FRP_VERSION}/frp_${FRP_VERSION}_${MACHINE}.tar.gz
-RUN tar zxvf frp_0.45.0_linux_amd64.tar.gz
-RUN mv frp_0.45.0_linux_amd64 /frpc
+RUN tar zxvf frp_${FRP_VERSION}_${MACHINE}.tar.gz
+RUN mv frp_${FRP_VERSION}_${MACHINE} /frpc
+RUN rm frp_${FRP_VERSION}_${MACHINE}.tar.gz
 ENV TZ=Asia/Shanghai
 RUN mkdir /conf
 VOLUME /conf