ID、加密、随机、签名
IP=216.73.216.10
GUID = {885BFE0D-DB27-AAB7-CA58-42E32EC32FA8}
md5(admin) = 21232f297a57a5a743894a0e4a801fc3
md5(admin888) = 7fef6171469e80d32c0559f88b377245
md5(1q2w3e4r5t) = 97db1846570837fce6ff62a408f1c26a
md5(123456) = e10adc3949ba59abbe56e057f20f883e
md5(12345678) = 25d55ad283aa400af464c76d713c07ad
md5(test) = 098f6bcd4621d373cade4e832627b4f6
now()=2026-01-31 02:05:27
now("date")=2026-01-31
now("time")=02:05:27