Update SceneryInfoController.java

src/main/java/com/zhiqiyun/open/mvc/manager/controller/SceneryInfoController.java

@@ -41,7 +41,7 @@ public class SceneryInfoController {
             queryWrapper.like("contact_number", params.getContactNumber());
         }
         if (params.getGrade() != null) {
-            queryWrapper.like("grade", params.getGrade());
+            queryWrapper.eq("grade", params.getGrade());
         }
         if (StringUtils.isNotBlank(params.getKeyword())) {
             queryWrapper.and(true, sceneryInfoQueryWrapper -> {