diff --git a/packages/fighting-design/up-load/src/up-load.vue b/packages/fighting-design/up-load/src/up-load.vue
index e91ef4171f..577212a75c 100644
--- a/packages/fighting-design/up-load/src/up-load.vue
+++ b/packages/fighting-design/up-load/src/up-load.vue
@@ -104,7 +104,7 @@
     dragIng.value = false
 
     /** 获取文件列表 */
-    const files: FileList = (evt.dataTransfer as DataTransfer).files
+    const files = evt.dataTransfer?.files
 
     if (files) {
       updateFiles(filterFiles(files as unknown as File[]))