npe fix

community-service/src/main/java/com/tanpu/community/service/TopicService.java

@@ -240,32 +240,41 @@ public class TopicService {
                 } else {
                     fund = Arrays.asList(new ProductInfoVO());
                 }
-                TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.FUND.type)
-                        .subType(String.valueOf(entity.getSubjectSubType()))
-                        .detail(TopicAttachmentDetail.builder().fund(fund.get(0)).build()).build();
-                attachements.add(attach);
+                if (CollectionUtils.isNotEmpty(fund)) {
+                    TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.FUND.type)
+                            .subType(String.valueOf(entity.getSubjectSubType()))
+                            .detail(TopicAttachmentDetail.builder().fund(fund.get(0)).build()).build();
+                    attachements.add(attach);
+                }
             } else if (RelTypeEnum.FUND_COMPANY.type.equals(entity.getSubjectType().toString())) {
                 // 资管人
                 List<FundCompanyVO> fundCompany = feignService.getFundCompany(Collections.singletonList(entity.getSubjectId()));
-                FundCompanyVO company = fundCompany.get(0);
-                company.setType(String.valueOf(entity.getSubjectSubType())); // 公司类型
-                TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.FUND_COMPANY.type)
-                        .detail(TopicAttachmentDetail.builder().fundCompany(company).build()).build();
-                attachements.add(attach);
+                if (CollectionUtils.isNotEmpty(fundCompany)) {
+                    FundCompanyVO company = fundCompany.get(0);
+                    company.setType(String.valueOf(entity.getSubjectSubType())); // 公司类型
+                    TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.FUND_COMPANY.type)
+                            .detail(TopicAttachmentDetail.builder().fundCompany(company).build()).build();
+                    attachements.add(attach);
+                }
 
             } else if (RelTypeEnum.NEW_COURSE_WARE.type.equals(entity.getSubjectType().toString())) {
                 // 课程包
                 List<CoursePackageSimpleResp> coursePackage = feignService.getCoursePackageList(Collections.singletonList(entity.getSubjectId()));
-                TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.NEW_COURSE_WARE.type)
-                        .detail(TopicAttachmentDetail.builder().coursePackage(coursePackage.get(0)).build()).build();
-                attachements.add(attach);
+                if (CollectionUtils.isNotEmpty(coursePackage)){
+                    TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.NEW_COURSE_WARE.type)
+                            .detail(TopicAttachmentDetail.builder().coursePackage(coursePackage.get(0)).build()).build();
+                    attachements.add(attach);
+                }
+
 
             } else if (RelTypeEnum.OFFLINE_ACTIVITY.type.equals(entity.getSubjectType().toString())) {
                 // 线下活动
                 List<OfflineActivitySimpleResp> activitySimpleList = feignService.getActivitySimpleList(Collections.singletonList(entity.getSubjectId()));
-                TopicAttachmentDetail detailVo = TopicAttachmentDetail.builder().activity(activitySimpleList.get(0)).build();
-                TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.OFFLINE_ACTIVITY.type).detail(detailVo).build();
-                attachements.add(attach);
+                if (CollectionUtils.isNotEmpty(activitySimpleList)){
+                    TopicAttachmentDetail detailVo = TopicAttachmentDetail.builder().activity(activitySimpleList.get(0)).build();
+                    TopicAttachment attach = TopicAttachment.builder().type(RelTypeEnum.OFFLINE_ACTIVITY.type).detail(detailVo).build();
+                    attachements.add(attach);
+                }
             }
         }