manage: 修复bug

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

@@ -19,6 +19,7 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -115,15 +116,18 @@ public class DiseaseManageServiceImpl implements DiseaseManageService {
         List<String> containDiseaseIds = page.getRecords().stream()
                 .filter(disease -> CollUtil.isNotEmpty(disease.getContainDiseaseIds()))
                 .flatMap(disease -> disease.getContainDiseaseIds().stream()).distinct().collect(Collectors.toList());
-        Map<String, Disease> diseaseMap = diseaseService.listByIds(containDiseaseIds)
+        Map<String, Disease> diseaseMap = new HashMap<>();
-                .stream().collect(Collectors.toMap(Disease::getId, disease -> disease, (v1, v2) -> v1));
+        if (CollUtil.isNotEmpty(containDiseaseIds)){
-
+            diseaseMap = diseaseService.listByIds(containDiseaseIds)
+                    .stream().collect(Collectors.toMap(Disease::getId, disease -> disease, (v1, v2) -> v1));
+        }
+      final Map<String, Disease> diseaseMapCopy = new HashMap<>(diseaseMap);
         // 把疾病名映射到DiseaseResVo中
         return page.convert(record -> {
             DiseaseResVo bean = BeanUtil.toBean(record, DiseaseResVo.class);
             if (CollUtil.isNotEmpty(bean.getContainDiseaseIds())){
                 bean.setContainDiseaseNames(bean.getContainDiseaseIds().stream()
-                        .map(diseaseMap::get).filter(Objects::nonNull).map(Disease::getDiseaseName).collect(Collectors.toList()));
+                        .map(diseaseMapCopy::get).filter(Objects::nonNull).map(Disease::getDiseaseName).collect(Collectors.toList()));
             }
             bean.setUsedMedicalRec(medicalDiseaseIds.contains(bean.getId()));
             return bean;