diff --git a/src/log-store/src/raft_engine/log_store.rs b/src/log-store/src/raft_engine/log_store.rs
index af71baa26a..fa01c6f256 100644
--- a/src/log-store/src/raft_engine/log_store.rs
+++ b/src/log-store/src/raft_engine/log_store.rs
@@ -33,7 +33,7 @@ use crate::error::{
 };
 use crate::raft_engine::protos::logstore::{EntryImpl, NamespaceImpl as Namespace};
 
-const NAMESPACE_PREFIX: &str = "__sys_namespace_";
+const NAMESPACE_PREFIX: &str = "$sys/";
 const SYSTEM_NAMESPACE: u64 = 0;
 
 pub struct RaftEngineLogStore {