代码优化

ltkg-service/src/main/java/com/diagbot/web/QAController.java

@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 @RequestMapping("/qa")
 @Api(value = "知识库问答相关API", tags = { "知识库问答相关API" })
+@SuppressWarnings("unchecked")
 public class QAController {
     @Autowired
     private QAFacade qaFacade;