diff --git a/Dockerfile_prod b/Dockerfile_prod
index e337af8..d369f1c 100644
--- a/Dockerfile_prod
+++ b/Dockerfile_prod
@@ -23,4 +23,4 @@ RUN set -eux && sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk
 COPY ./server/target/crm-print-server-1.0.0.jar /
 WORKDIR /
 EXPOSE 8080
-CMD ["java", "-jar","crm-print-server-1.0.0.jar"]
+CMD ["java", "-Xms3072m", "-jar","crm-print-server-1.0.0.jar"]