Polish placeholders in logging content to slf4j convention#1342

Merged

sczyh30 merged 2 commits intoalibaba:masterfrom sczyh30:enhancement/logging

Mar 17, 2020

+89-81

Commits on Mar 16, 2020

Polish placeholders in logging content to "{}"
sczyh30
committed

Commits on Mar 17, 2020

Polish code
sczyh30
committed