diff --git a/Dockerfile b/Dockerfile
index 4fbad13..b66da47 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ COPY --from=build /app/target/*.jar app.jar
 
 # Expose Web Port and JT808 TCP Port
 EXPOSE 8080
-EXPOSE 20048
+EXPOSE 8091
 
 # Run the application
 ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-Duser.timezone=Asia/Shanghai","-jar","app.jar"]