diff --git a/src/main/java/com/project/information/domain/service/impl/UploadInformationDomainServiceImpl.java b/src/main/java/com/project/information/domain/service/impl/UploadInformationDomainServiceImpl.java
index 93c7ed8..2bf66c7 100644
--- a/src/main/java/com/project/information/domain/service/impl/UploadInformationDomainServiceImpl.java
+++ b/src/main/java/com/project/information/domain/service/impl/UploadInformationDomainServiceImpl.java
@@ -52,7 +52,7 @@ public class UploadInformationDomainServiceImpl implements UploadInformationDoma
     @Autowired
     private AlgorithmApplicationService algorithmApplicationService;
 
-    private static final long MAX_SIZE = 50 * 1024 * 1024; // 50MB 限制
+    private static final long MAX_SIZE = 100 * 1024 * 1024; // 100MB 限制
 
     @Override
     public Result<String> checkDuplicates(Long subLineId, List<FileCheckItem> files) throws Exception {
@@ -74,7 +74,7 @@ public class UploadInformationDomainServiceImpl implements UploadInformationDoma
         if (CollUtil.isNotEmpty(overSizeList)) {
             // 发现超大文件，直接中断，不查数据库
             throw new BusinessErrorException(String.format(
-                    "以下文件超过50MB限制，禁止上传：【%s】",
+                    "以下文件超过100MB限制，禁止上传：【%s】",
                     String.join("、", overSizeList)));
         }
         List<String> fileNames = files.stream().map(FileCheckItem::getName).toList();