fix panic during normalizing the invalid data (#1698)

* fix panic during normalizing the invalid data

* fix yaml load

* change error to warning

* change error code

* optimize code

---------

Co-authored-by: Linlang <Lv.Linlang@hotmail.com>

scripts/data_collector/base.py

@@ -301,6 +301,7 @@ class Normalize:
             na_values={col: symbol_na if col == self._symbol_field_name else default_na for col in columns},
         )
 
+        # NOTE: It has been reported that there may be some problems here, and the specific issues will be dealt with when they are identified.
         df = self._normalize_obj.normalize(df)
         if df is not None and not df.empty:
             if self._end_date is not None: