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@@ -22,6 +22,7 @@ import org.springframework.stereotype.Service;
 
 import java.rmi.ServerException;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * 广告Service业务层处理
@@ -67,7 +68,9 @@ public class AdvertServiceImpl implements IAdvertService {
         for (AdvertVo vo : list) {
             if (StrUtil.isNotBlank(vo.getOssId())) {
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getOssId()));
-                vo.setOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setOssUrl(oss.getUrl());
+                }
             }
         }
         return list;

@@ -98,23 +98,33 @@ public class CourseServiceImpl implements ICourseService {
         for (CourseVo vo : list) {
             if(StrUtil.isNotBlank(vo.getTwoDimensionalOssId())){
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getTwoDimensionalOssId()));
-                vo.setTwoDimensionalOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setTwoDimensionalOssUrl(oss.getUrl());
+                }
             }
             if(StrUtil.isNotBlank(vo.getThreeDimensionalOssId())){
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getThreeDimensionalOssId()));
-                vo.setThreeDimensionalOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setThreeDimensionalOssUrl(oss.getUrl());
+                }
             }
             if(StrUtil.isNotBlank(vo.getCaseOssId())){
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getCaseOssId()));
-                vo.setCaseOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setCaseOssUrl(oss.getUrl());
+                }
             }
             if(StrUtil.isNotBlank(vo.getTeachingOssId())){
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getTeachingOssId()));
-                vo.setTeachingOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setTeachingOssUrl(oss.getUrl());
+                }
             }
             if(StrUtil.isNotBlank(vo.getPptOssId())){
                 SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getPptOssId()));
-                vo.setPptOssUrl(oss.getUrl());
+                if(Objects.nonNull(oss)) {
+                    vo.setPptOssUrl(oss.getUrl());
+                }
             }
         }
         return list;