运行main.py时，add_technical_indicator在计算cci_30指标时抛出异常：float division by zero

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Traceback (most recent call last):
File "D:\Code\StockFormer-main\code\Transformer\main.py", line 88, in
data = data_type_dict[args.data_type](
File "D:\Code\StockFormer-main\code\Transformer\data\stock_data_handle.py", line 35, in init
self.read_data()
File "D:\Code\StockFormer-main\code\Transformer\data\stock_data_handle.py", line 62, in read_data
df = fe.preprocess_data(df)
File "D:\Code\StockFormer-main\code\Transformer\utils\preprocess.py", line 86, in preprocess_data
df = self.add_technical_indicator(df)
File "D:\Code\StockFormer-main\code\Transformer\utils\preprocess.py", line 212, in add_technical_indicator
indicator_df[["tic", "date", indicator]], on=["tic", "date"], how="left"
File "C:\Users\lenovo\anaconda3\lib\site-packages\pandas\core\frame.py", line 3511, in getitem
indexer = self.columns._get_indexer_strict(key, "columns")[1]
File "C:\Users\lenovo\anaconda3\lib\site-packages\pandas\core\indexes\base.py", line 5782, in _get_indexer_strict
self._raise_if_missing(keyarr, indexer, axis_name)
File "C:\Users\lenovo\anaconda3\lib\site-packages\pandas\core\indexes\base.py", line 5842, in _raise_if_missing
raise KeyError(f"None of [{key}] are in the [{axis_name}]")
KeyError: "None of [Index(['tic', 'date', 'cci_30'], dtype='object')] are in the [columns]"

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solved