bug fix

themis-business/src/main/java/com/qmth/themis/business/service/impl/TBAttachmentServiceImpl.java

@@ -63,7 +63,7 @@ public class TBAttachmentServiceImpl extends ServiceImpl<TBAttachmentMapper, TBA
         log.info("ossMap:{}", JacksonUtil.parseJson(map));
         TBAttachment tbAttachment = null;
         try {
-            int temp = file.getOriginalFilename().indexOf(".");
+            int temp = file.getOriginalFilename().lastIndexOf(".");
             String fileName = file.getOriginalFilename().substring(0, temp);
             String format = file.getOriginalFilename().substring(temp, file.getOriginalFilename().length());
             List<String> attachmentTypeList = (List<String>) map.get(SystemConstant.ATTACHMENT_TYPE);