springmvc页面访问不到，也没有报错，下面的日志信息

2017-11-13 08:36:17,837 [org.springframework.web.servlet.DispatcherServlet]-[DEBUG] DispatcherServlet with name 'springmvc' processing GET request for [/customer/list]
2017-11-13 08:36:17,837 [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping]-[DEBUG] Looking up handler method for path /customer/list
2017-11-13 08:36:17,837 [org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping]-[DEBUG] Returning handler method [public java.lang.String controller.CustomerController.list(org.springframework.ui.Model)]
2017-11-13 08:36:17,837 [org.springframework.beans.factory.support.DefaultListableBeanFactory]-[DEBUG] Returning cached instance of singleton bean 'customerController'
2017-11-13 08:36:17,837 [org.springframework.web.servlet.DispatcherServlet]-[DEBUG] Last-Modified value for [/customer/list] is: -1
preHandle /customer/list
2017-11-13 08:36:17,837 [org.springframework.web.servlet.DispatcherServlet]-[DEBUG] Successfully completed request