manage : 修复bug

virtual-patient-manage/src/main/java/com/supervision/manage/service/impl/DiseaseManageServiceImpl.java

@@ -104,7 +104,7 @@ public class DiseaseManageServiceImpl implements DiseaseManageService {
                 .like(StrUtil.isNotEmpty(diseaseReqVo.getDiseaseName()), Disease::getDiseaseName, diseaseReqVo.getDiseaseName())
                 .orderByDesc(Disease::getCreateTime).page(new Page<>(pageNum, pageSize));
 
-        if (page.getSize() == 0) {
+        if (CollUtil.isEmpty(page.getRecords())) {
             return page;
         }
         // 查询已配置病例信息的疾病id