python tools/infer/predict_rec.py --image_dir="./doc/imgs_words/en/word_1.png" --rec_model_dir="E:\ocr\ch_PP-OCRv3_rec_infer\ch_PP-OCRv3_rec_infer" --rec_char_dict_path="ppocr/utils/en_dict.txt"运行后报错如下：

 

File "tools/infer/predict_rec.py", line 723, in main
rec_res, _ = text_recognizer(img_list)
File "tools/infer/predict_rec.py", line 683, in __call__
rec_result = self.postprocess_op(
File "E:\pythonWorksapce\PaddleOCR-release-2.7\PaddleOCR-release-2.7\ppocr\postprocess\rec_postprocess.py", line 197, in __call__
text = self.decode(
File "E:\pythonWorksapce\PaddleOCR-release-2.7\PaddleOCR-release-2.7\ppocr\postprocess\rec_postprocess.py", line 146, in decode
char_list = [
File "E:\pythonWorksapce\PaddleOCR-release-2.7\PaddleOCR-release-2.7\ppocr\postprocess\rec_postprocess.py", line 147, in
self.character[text_id]
IndexError: list index out of range，请问这个是什么问题，模型及png都是项目自带的，ch_PP-OCRv3_rec_infer也是按照要求下载的