diff --git a/redpanda-console/3.1.0/data.yml b/redpanda-console/3.1.0/data.yml
index c89fbfe58..3cd6e1236 100755
--- a/redpanda-console/3.1.0/data.yml
+++ b/redpanda-console/3.1.0/data.yml
@@ -16,7 +16,7 @@ additionalProperties:
           required: true
           rule: paramPort
           type: number
-        - default:
+        - default: ""
           envKey: KAFKA_HOST
           labelEn: Kafka Service
           labelZh: Kafka 服务