更新readme

README.md

@@ -12,7 +12,7 @@ pip install -U c2net
 
 ```
 #导入包
-from c2net.context import prepare, upload_upload
+from c2net.context import prepare, upload_output
 
 #初始化导入数据集和预训练模型到容器内
 c2net_context = prepare()
@@ -24,7 +24,7 @@ pretrain_model_path = c2net_context.pretrain_model_path
 output_path = c2net_context.output_path
 
 #必须将输出结果保存到c2net_context.output_path，才能回传结果到openi，并且训练任务才能回传，调试任务回传后暂时不支持下载
-upload_upload()
+upload_output()
 ```
 
 ## 2. 手写数字识别示例