diff --git a/Dockerfile b/Dockerfile
index 6cf8ada..fe9e454 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,6 @@ COPY /target/iotgatewayservice.jar iotgatewayservice.jar
 COPY --from=hengyunabc/arthas:latest /opt/arthas /opt/arthas
 ENV TimeZone=Asia/Shanghai
 ENV active=dev
-ENV JAVA_OPTS="-Xmx512M -Xms512M"
+ENV JAVA_OPTS="-Xmx128M -Xms128M"
 RUN ln -snf /usr/share/zoneinfo/$TimeZone /etc/localtime && echo $TimeZone > /etc/timezone
 ENTRYPOINT java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar /iotgatewayservice.jar --spring.profiles.active=$active
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