diff --git a/DockerfileSlim b/DockerfileSlim
index c9108d9..dac4154 100644
--- a/DockerfileSlim
+++ b/DockerfileSlim
@@ -11,4 +11,8 @@ COPY  ./conf/ /app/conf/
 COPY  ./conf/ ./conf/
 
 WORKDIR /app/main-client/bin
-CMD ["./mainServer"]
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+
+ARG BUILD_DATE
+ENV BUILD_DATE ${BUILD_DATE}
+# 在容器启动时输出环境变量BUILD_DATE的值
+CMD ['echo "Container was built on: ${BUILD_DATE}" &&./mainServer']
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