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environment

• canal version 1.17
• mysql version 5.7

Issue Description

i have a.yml,b.yml in rdb,when startup adapter,i find envProperties load all targetColumns in same dbMapping and it not Distinguish fields by file name。This results in an error when synchronizing data： Target column xxx not found.Because table b contains the fields of table a.. I'm wondering why sharing envProperties results in field overwriting

a.yml:

b.yml:

share envProperties ,the dbMapping conflict??

b.table contains a.table fields

Steps to reproduce

Expected behaviour

Actual behaviour

If there is an exception, please attach the exception trace:

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