#提问# 项目在启动时mybatis-plus的多数据源块dynamic-datasource报错,但是配置文件是复用的主项目的, 报错信息为context with path [/bw_yto] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource ### The error may exist in com/baiwang/bwyto/ytjx/mapper/InvoiceCodeRelationMapper.java (best guess) ### The error may involve com.baiwang.bwyto.ytjx.mapper.InvoiceCodeRelationMapper.selectList ### The error occurred while executing a query ### Cause: com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource] with root cause com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource