no message

@@ -6,6 +6,7 @@ import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.lego.common.core.page.TableDataInfo;
+import com.lego.common.core.service.OssService;
 import com.lego.common.utils.MessageUtils;
 import com.lego.common.utils.StreamUtils;
 import com.lego.core.annotation.LanguageAnnotation;
@@ -45,6 +46,7 @@ public class BuildingBlockServiceImpl implements IBuildingBlockService {
     private final IEntiretyService entiretyService;
     private final CourseMapper courseMapper;
     private final ISysOssService iSysOssService;
+    private final OssService ossUrlService;
 
     /**
      * 查询所有列表(带分页)
@@ -69,8 +71,7 @@ public class BuildingBlockServiceImpl implements IBuildingBlockService {
             for (BuildingBlockVo vo : list) {
                 vo.setEntiretyName(entiretyMap.getOrDefault(vo.getEntiretyId(), new EntiretyVo()).getName());
                 if (StrUtil.isNotBlank(vo.getOssId())) {
-                    SysOssVo oss = iSysOssService.getById(Long.valueOf(vo.getOssId()));
-                    vo.setOssUrl(oss.getUrl());
+                    vo.setOssUrl(ossUrlService.selectUrlByIds(vo.getOssId()));
                 }
             }
         }