规定了俄上传路径，你使用反斜线符号。

When you specified the upload path, you used backslashes.

youdao

每一个符号放置在另一个反斜线符号之前。

Each backslash should be preceded with another backslash.

youdao

最后，如果你的日期格式中需要包含字面意思的文字字符，就如西班牙语有时出现的那样，你可以在反斜线符号后面加上。

Lastly, if you need to include literal alphabetic characters in your date format, as sometimes occurs in Spanish, you can backslash them.

youdao