Mapped Statements collection already contains value

Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [D:\JavaProduct\baoxiu\target\classes\mapper\WorkMapper.xml]'. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.baotao.baoxiu.mapper.WorkMapper.insert
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120)
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92)
	at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:521)
	... 75 common frames omitted
Caused by: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.baotao.baoxiu.mapper.WorkMapper.insert
	at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:872)
	at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:844)
	at org.apache.ibatis.session.Configuration.addMappedStatement(Configuration.java:668)
	at org.apache.ibatis.builder.MapperBuilderAssistant.addMappedStatement(MapperBuilderAssistant.java:302)
	at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:109)
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:135)
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:128)
	at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:118)
	... 77 common frames omitted

Mapped Statements collection already contains value for com.baotao.baoxiu.mapper.WorkMapper.insert。

表示xml中已经有这个方法了。命名冲突。