bug

### 请提出你的问题

[Question]: 模型下载失败: (NotFound) Cannot open file C:\Users\10352\.paddlenlp\taskflow\wordtag\static\inference.pdmodel, please confirm whether the file is normal.   [Hint: Expected paddle::inference::IsFileExists(prog_file_) == true, but received paddle::inference::IsFileExists(prog_file_):0 != true:1.] (at ..\paddle\fluid\inference\api\analysis_config.cc:117)无法下载推理模型啊