diff --git a/Dockerfile b/Dockerfile
index 6dbd2e9213..d68be089d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.cn-qingdao.aliyuncs.com/dataease/alpine-openjdk17-jre
+FROM registry.cn-qingdao.aliyuncs.com/dataease/alpine-openjdk21-jre
 
 RUN mkdir -p /opt/apps/config /opt/dataease2.0/drivers/ /opt/dataease2.0/cache/ /opt/dataease2.0/data/map /opt/dataease2.0/data/static-resource/ /opt/dataease2.0/data/appearance/
 
@@ -11,8 +11,9 @@ WORKDIR /opt/apps
 ADD core/core-backend/target/CoreApplication.jar /opt/apps/app.jar
 
 ENV JAVA_APP_JAR=/opt/apps/app.jar
+ENV RUNNING_PORT=8100
 ENV JAVA_OPTIONS="-Dfile.encoding=utf-8 -Dloader.path=/opt/apps -Dspring.config.additional-location=/opt/apps/config/"
 
-HEALTHCHECK --interval=15s --timeout=5s --retries=20 --start-period=30s CMD nc -zv 127.0.0.1 8100
+HEALTHCHECK --interval=15s --timeout=5s --retries=20 --start-period=30s CMD nc -zv 127.0.0.1 $RUNNING_PORT
 
 CMD ["/deployments/run-java.sh"]