diff --git a/docker-springboot/Dockerfile b/docker-springboot/Dockerfile
index 2eb81cd..446741e 100644
--- a/docker-springboot/Dockerfile
+++ b/docker-springboot/Dockerfile
@@ -19,7 +19,7 @@ ENV MYSQL_USERNAME="root" \
     DORIS_USERNAME="root" \
     DORIS_PASSWD="" \
     DORIS_URL="10.26.22.133:9030"\
-    KAFKA_SERVERS="172.29.128.1:9092"\
+    KAFKA_SERVERS="172.29.128.1:9092"