diff --git a/demo01-kaf-log-sink2/values.yaml b/demo01-kaf-log-sink2/values.yaml
index 9a39702..3f18763 100644
--- a/demo01-kaf-log-sink2/values.yaml
+++ b/demo01-kaf-log-sink2/values.yaml
@@ -25,11 +25,11 @@ spec:
     starrocks.database.name: "quickstart"
     starrocks.username: "root"
     starrocks.password: "sdHwyKH8p6Xw"
-    sink.properties.strip_outer_array: false
+    sink.properties.strip_outer_array: true
     connect.timeoutms: "30000"
     starrocks.topic2table.map: "demo01.logging.kong:kong_log_events"
     key.converter: "org.apache.kafka.connect.json.JsonConverter"
-    value.converter: "org.apache.kafka.connect.json.JsonConverter"
+    value.converter: "org.apache.kafka.connect.storage.StringConverter"
     key.converter.schemas.enable: "true"
     value.converter.schemas.enable: "false"