fix: 解决任务包所有任务都被重提后，报错问题

jyjz-system/jyjz-system-oa/src/main/java/cn/jyjz/xiaoyao/ocr/service/impl/OcrPictureServiceImpl.java

@@ -332,6 +332,9 @@ public class OcrPictureServiceImpl extends BaseServiceImpl<OcrPictureMybatisDao,
     @Override
     public OcrPicture getPackagePictureInfo(String checkDuplicateId, String pictureId, UserToken userToken) {
         OcrPicture ocrPicture = pictureMybatisDao.getPackagePictureInfo(checkDuplicateId, pictureId);
+        if(ocrPicture==null){
+            return null;
+        }
         OcrPictureInfo one = ocrPictureInfoService.getOne(new LambdaQueryWrapper<OcrPictureInfo>().eq(OcrPictureInfo::getPictureId, ocrPicture.getId()));
         ocrPicture.setPictureInfo(one);
         if (ObjectUtil.isNotEmpty(one)) {