fix log level and add some log

[chenhao26-nineteen]

linked #41
fix log level and add some logs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.24957%. Comparing base (a41c9aa) to head (128ce80).

Additional details and impacted files

@@                  Coverage Diff                  @@
##                master         #42         +/-   ##
=====================================================
- Coverage     69.25599%   69.24957%   -0.00642%     
+ Complexity        4107        4104          -3     
=====================================================
  Files              428         428                 
  Lines            16774       16777          +3     
  Branches          1698        1698                 
=====================================================
+ Hits             11617       11618          +1     
- Misses            4051        4053          +2     
  Partials          1106        1106                 

Files	Coverage Δ
...l/config/datasource/LocalFileDatasourceConfig.java	73.68421% <100.00000%> (+0.71123%)	⬆️
...tinel/config/datasource/NacosDatasourceConfig.java	100.00000% <100.00000%> (ø)
...tinel/config/datasource/RedisDatasourceConfig.java	100.00000% <100.00000%> (ø)
...l/config/datasource/ZookeeperDatasourceConfig.java	100.00000% <100.00000%> (ø)

... and 2 files with indirect coverage changes