diff --git a/qlib/contrib/data/handler.py b/qlib/contrib/data/handler.py
index 1eaf51a83..7c63e5a63 100644
--- a/qlib/contrib/data/handler.py
+++ b/qlib/contrib/data/handler.py
@@ -96,7 +96,6 @@ class Alpha360vwap(Alpha360):
 
 
 class Alpha158(DataHandlerLP):
-    # TODO: use Alpha158Loader
     def __init__(
         self,
         instruments="csi500",