diff --git a/docs/api/unicloud/storage.md b/docs/api/unicloud/storage.md
index 8de3c2efbe85e6a83589823830692a40f2227310..6b8852b8621180671d707d3318ce2698ce86ef86 100644
--- a/docs/api/unicloud/storage.md
+++ b/docs/api/unicloud/storage.md
@@ -26,6 +26,10 @@
 
 <!-- UTSUNICLOUDAPIJSON.chooseAndUploadFile.example -->
 
+**注意**
+
+- 由于uni-app-x暂不支持选择视频、文件，目前此接口仅能上传图片，即type参数仅能设为`image`。
+
 ## getTempFileURL(options) @gettempfileurl
 
 <!-- UTSUNICLOUDAPIJSON.getTempFileURL.description -->