feat: 当es没数据，直接查库

roncoo-education-service/roncoo-education-service-course/src/main/java/com/roncoo/education/course/service/api/biz/ApiCourseBiz.java

@@ -98,10 +98,10 @@ public class ApiCourseBiz extends BaseBiz {
         }
         nsb.withQuery(qb);
         SearchHits<EsCourse> searchHits = elasticsearchRestTemplate.search(nsb.build(), EsCourse.class, IndexCoordinates.of(EsCourse.COURSE));
-        if(searchHits.getTotalHits() > 0){
+        if (searchHits.getTotalHits() > 0) {
             // es
             return Result.success(EsPageUtil.transform(searchHits, req.getPageCurrent(), req.getPageSize(), ApiCoursePageResp.class));
-        }else{
+        } else {
             // 直接查库
             CourseExample example = new CourseExample();
             CourseExample.Criteria c = example.createCriteria();