解决通知公告未上传附件报错的问题

src/main/java/com/taauav/front/service/impl/UserNoticeServiceImpl.java

@@ -125,7 +125,7 @@ public class UserNoticeServiceImpl extends BaseServiceImpl<UserNoticeMapper, Use
         if (entity == null) {
             return response.failure("实体对象不能为空");
         }
-        if (entity.getAttachment().contains("temp")) {
+        if (!StringUtils.isEmpty(entity.getAttachment()) && entity.getAttachment().contains("temp")) {
             String file = entity.getAttachment().replace(uploadUrl, uploadFolder);
             File oldFile = new File(file);
             if (!oldFile.exists()) {
@@ -168,7 +168,7 @@ public class UserNoticeServiceImpl extends BaseServiceImpl<UserNoticeMapper, Use
         if (entity.getId() == null && entity.getId() < 0) {
             return response.failure("记录ID不能为空");
         }
-        if (entity.getAttachment().contains("temp")) {
+        if (!StringUtils.isEmpty(entity.getAttachment()) && entity.getAttachment().contains("temp")) {
             String file = entity.getAttachment().replace(uploadUrl, uploadFolder);
             File oldFile = new File(file);
             if (!oldFile.exists()) {