Add custom log file name date format

[louyuexing]

Added a custom log file name date format; when creating a file using the system's default file name date format, the file creation failed on the Windows platform because the file name contained the restriction character ":".

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.09%. Comparing base (8690859) to head (bf066d4).
Report is 126 commits behind head on master.

Files	Patch %	Lines
core/logx/logs.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

Files	Coverage Δ
core/logx/rotatelogger.go	91.02% <ø> (+1.20%)	⬆️
core/logx/logs.go	98.02% <0.00%> (-0.90%)	⬇️

... and 253 files with indirect coverage changes