Fixed time log format.

[yusheng-guo]

What type of PR is this? PR类型是什么？

/kind bug

What this PR does / why we need it: 这个PR解决了什么问题:

• Time log format.
• Parse time string.

Which issue(s) this PR fixes: PR相关联issue:

Fixes #

Does this PR introduce a breaking change?: PR带来的破坏性变更:

Test/Final result: 测试/最终运行结果: