[ISSUE #2466] Add debug log

[li-xiao-shuang]

fix : #2466

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[steverao]

Would it be better to add dataId and group as well?

[li-xiao-shuang]

Would it be better to add dataId and group as well?

ok

[steverao]

Are we adding debug logs or some info logs to help users see the configuration loading output in real time? Now use spring.config.import without any log output, you can try

[li-xiao-shuang]

Are we adding debug logs or some info logs to help users see the configuration loading output in real time? Now use spring.config.import without any log output, you can try

I don't know much about Spring-cloud-alibaba, can you explain in detail, what is use spring.config.import?

[steverao]

This can be modified later！