• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

environment

• canal version 1.1.8
• mysql version 8.0.25

Issue Description 目标库字段和源库字段均为日期类型必填字段，etl全量同步时报必填字段没值，源库必填，已经核实，全部有值

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

{"succeeded":false,"resultMessage":"导入RDB 数据：0 条","errorMessage":"repairorder etl failed! ==>Column 'repairRequestTime' ca
nnot be null\nrepairorder etl failed! ==>Column 'repairRequestTime' cannot be null"}