q-sign-algorithm=sha1&q-ak=AKIDoV0KTQqj7NVRBjgECxc5NTN5dheQYOaZ&q-sign-time=1512064592;1512064592&q-key-time=1512064592;1512064592&q-header-list=content-type;host&q-url-param-list=&q-signature=5165db2d2aa3562ed771cb82666b8f66012ea89b
其中时间是通过unix时间戳拿的本地机器时间