diff --git a/src/views/dataCenter/library/child/uploadFiles.vue b/src/views/dataCenter/library/child/uploadFiles.vue
index 9c7baa20..e69fc095 100644
--- a/src/views/dataCenter/library/child/uploadFiles.vue
+++ b/src/views/dataCenter/library/child/uploadFiles.vue
@@ -194,7 +194,7 @@ export default {
       this.uploadChunks(nextFile);
     },
     beforeUpload(file) {
-      const maxSize = 10 * 1024 * 1024*1024; // 限制文件最大为 5MB
+      const maxSize = 2 * 1024 * 1024*1024; // 限制文件最大为 5MB
       if (file.size > maxSize) {
         this.$message.error('文件大小不能超过 2GB');
         return false; // 阻止上传