spring mvc null Null ModelAndView 问题

[饺子没有子]

前台页面不显示，后台也不报错，看日志是这个 求大神怎么解决呢
DEBUG [org.springframework.web.servlet.DispatcherServlet] - Null ModelAndView returned to DispatcherServlet with name 'springMVC': assuming HandlerAdapter completed request handling




日志
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.mybatis.spring.SqlSessionUtils] - Releasing transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@188f2c85]
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.springframework.jdbc.datasource.DataSourceTransactionManager] - Initiating transaction commit
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.springframework.jdbc.datasource.DataSourceTransactionManager] - Committing JDBC transaction on Connection [com.mysql.jdbc.Connection@533fe96]
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.mybatis.spring.SqlSessionUtils] - Transaction synchronization committing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@188f2c85]
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.mybatis.spring.SqlSessionUtils] - Transaction synchronization closing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@188f2c85]
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.springframework.jdbc.datasource.DataSourceUtils] - Resetting read-only flag of JDBC Connection [com.mysql.jdbc.Connection@533fe96]
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.springframework.jdbc.datasource.DataSourceTransactionManager] - Releasing JDBC Connection [com.mysql.jdbc.Connection@533fe96] after transaction
2018-04-11 12:14:16,782 [http-bio-8080-exec-6] DEBUG [org.springframework.jdbc.datasource.DataSourceUtils] - Returning JDBC Connection to DataSource
2018-04-11 12:14:16,783 [http-bio-8080-exec-6] DEBUG [org.springframework.web.servlet.DispatcherServlet] - Null ModelAndView returned to DispatcherServlet with name 'springMVC': assuming HandlerAdapter completed request handling
2018-04-11 12:14:16,783 [http-bio-8080-exec-6] DEBUG [org.springframework.web.servlet.DispatcherServlet] - Successfully completed request

[Enchanter,]

getModelAndView方法，判断查看是否有@ResponseBody注解，有则调用handleResponseBody(returnValue, webRequest)方法，不是注入失败呢，就是缺少SpringMVC的jar包

[饺子没有子]

好的，一会看看