修复：bug

src/main/java/com/mmc/pms/service/impl/BrandManageServiceImpl.java

@@ -11,6 +11,7 @@ import com.mmc.pms.model.category.vo.ModeInfoVO;
 import com.mmc.pms.model.sale.dto.BrandInfoDTO;
 import com.mmc.pms.page.PageResult;
 import com.mmc.pms.service.BrandManageService;
+import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -69,7 +70,9 @@ public class BrandManageServiceImpl implements BrandManageService {
                 brandInfo.stream().map(BrandInfoDO::buildBrandInfoDTO).collect(Collectors.toList());
         brandInfoList = brandInfoList.stream().peek(d -> {
             List<DeviceModeDO> deviceModeList = map.get(d.getId());
-            d.setModeInfoList(deviceModeList.stream().map(DeviceModeDO::buildModeInfoVO).collect(Collectors.toList()));
+            if (CollectionUtils.isNotEmpty(deviceModeList)) {
+                d.setModeInfoList(deviceModeList.stream().map(DeviceModeDO::buildModeInfoVO).collect(Collectors.toList()));
+            }
         }).collect(Collectors.toList());
         return PageResult.buildPage(pageNo, pageSize, count, brandInfoList);
     }