diff --git a/src/pages/mkt/ActivityCreate/BasicInformation/components/ImageUploader/index.tsx b/src/pages/mkt/ActivityCreate/BasicInformation/components/ImageUploader/index.tsx
index 8aa936a..011c272 100644
--- a/src/pages/mkt/ActivityCreate/BasicInformation/components/ImageUploader/index.tsx
+++ b/src/pages/mkt/ActivityCreate/BasicInformation/components/ImageUploader/index.tsx
@@ -161,7 +161,7 @@ export default function Detail({ form, readOnly, bizType }: Props) {
             return e && e.fileList;
           }}
         >
-          <Upload maxCount={10} multiple {...videoProps}>
+          <Upload maxCount={1} multiple {...videoProps}>
             {uploadButton}
           </Upload>
         </FormItem>