训练模型导出时，当PaddleOCR所在路径包含中文字符串时，导出的模型缺少inference.pdiparams

[raoyutian]

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• [X] I have searched the PaddleOCR Docs and found no similar bug report.

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Bug

训练模型导出时，当PaddleOCR所在路径包含中文字符串时，导出的模型缺少inference.pdiparams 测试发现Global.save_inference_dir参数如果指定含有中文路径，则导出的推理模型缺少inference.pdiparams文件，而inference.pdmodel、inference.pdiparams.info均可生成。

Environment

win10，PaddleOCR V2.7

Minimal Reproducible Example

python tools/export_model.py -c configs\rec\PP-OCRv4\en_PP-OCRv4_rec.yml -o Global.checkpoints=./output/en_PP-OCRv4_rec/best_accuracy Global.save_inference_dir=D:\中文文件夹

Additional

python tools/export_model.py -c configs\rec\PP-OCRv4\en_PP-OCRv4_rec.yml -o Global.checkpoints=./output/en_PP-OCRv4_rec/best_accuracy Global.save_inference_dir=D:\中文文件夹

Are you willing to submit a PR?

• [X] Yes I'd like to help by submitting a PR!

[raoyutian]

Global.save_inference_dir采用相对路径可以解决该问题。