diff --git a/DockerFile b/DockerFile
index f7a2003..6f9f2b3 100644
--- a/DockerFile
+++ b/DockerFile
@@ -1,9 +1,7 @@
 # FROM 指定基础镜像
 FROM openjdk:8-jdk-alpine
-# ARG 构建参数
-ARG JAR_FILE=build/libs/*.jar
 # COPY 复制文件
-COPY ${JAR_FILE} app.jar
+COPY *.jar app.jar
 # 暴露端口
 EXPOSE 8080
 # CMD 容器启动命令