diff --git a/src/cmd/src/datanode.rs b/src/cmd/src/datanode.rs
index e2ff160eefb5..9a26afa5cbd5 100644
--- a/src/cmd/src/datanode.rs
+++ b/src/cmd/src/datanode.rs
@@ -259,9 +259,9 @@ mod tests {
         } = options.meta_client.unwrap();
 
         assert_eq!(vec!["127.0.0.1:3002".to_string()], metasrv_addr);
-        assert_eq!(5000, connect_timeout_millis);
-        assert_eq!(10000, ddl_timeout_millis);
-        assert_eq!(3000, timeout_millis);
+        assert_eq!(5000, connect_timeout_millis.as_millis());
+        assert_eq!(10000, ddl_timeout_millis.as_millis());
+        assert_eq!(3000, timeout_millis.as_millis());
         assert!(tcp_nodelay);
         assert_eq!("/tmp/greptimedb/", options.storage.data_home);
         assert!(matches!(