What's wrong with sig parameter format in mobile phone?

Signature verification failure can be divided into the following two situations:

1.？

Error in generating signature parameters

This may be caused by the following reasons:

(1) When constructing the source string, note that the URI does not contain host, such as /v3/user/get_info instead of /tools? ,?

Through the signature generation process of the tool tucao, you can find out which step is wrong.

(2) If you are a PHP developer, can you use PHP?

Use the signature generation function in SDK to generate signatures, and avoid developing complex signature generation logic yourself.