ruoyi源码DruidConfig.java部分: @Bean(name = "dynamicDataSource") @Primary public DynamicDataSource dataSource(DataSource masterDataSource) { Map targetDataSources = new HashMap(); targetDataSources.put(DataSourceType.MASTER.name(), masterDataSource); setDataSource(targetDataSources, DataSourceType.SLAVE.name(), "slaveDataSource"); return new DynamicDataSource(masterDataSource, targetDataSources); } 不太清除你是怎么写的?贴一下代码看看,这里这个bean是使用@Primary来实现同类型下优先注入的,看起来你报的异常是dynamicDataSource自己依赖自己了?