程序运行后视图没有获取到图片和课程信息
程序运行没有获取到图片和课程信息，如图所示：
我截取的认为重要的控制台打印信息如下：
22988 [qtp1095203437-15] WARN org.springframework.web.servlet.PageNotFound - No mapping found for HTTP request with URI [/$%7Bcourse.imgPath%7D] in DispatcherServlet with name 'mvc-dispatcher'
22988 [qtp1095203437-15] WARN org.springframework.web.servlet.PageNotFound - No mapping found for HTTP request with URI [/$%7Bcourse.imgPath%7D] in DispatcherServlet with name 'mvc-dispatcher'
380997 [qtp1095203437-17] DEBUG org.springframework.web.servlet.DispatcherServlet - Null ModelAndView returned to DispatcherServlet with name 'mvc-dispatcher': assuming HandlerAdapter completed request handling
380997 [qtp1095203437-17] DEBUG org.springframework.web.servlet.DispatcherServlet - Null ModelAndView returned to DispatcherServlet with name 'mvc-dispatcher': assuming HandlerAdapter completed request handling
这是什么问题？
