diff --git a/src/common/config/src/wal.rs b/src/common/config/src/wal.rs
index a176ecdf1dfc..f9c492758e63 100644
--- a/src/common/config/src/wal.rs
+++ b/src/common/config/src/wal.rs
@@ -18,8 +18,9 @@ pub mod raft_engine;
 use serde::{Deserialize, Serialize};
 use serde_with::with_prefix;
 
-use self::kafka::StandaloneKafkaConfig;
-pub use crate::wal::kafka::{KafkaConfig, KafkaOptions as KafkaWalOptions, Topic as KafkaWalTopic};
+pub use crate::wal::kafka::{
+    KafkaConfig, KafkaOptions as KafkaWalOptions, StandaloneKafkaConfig, Topic as KafkaWalTopic,
+};
 pub use crate::wal::raft_engine::RaftEngineConfig;
 
 /// An encoded wal options will be wrapped into a (WAL_OPTIONS_KEY, encoded wal options) key-value pair