diff --git a/lib/upload_image/upload_images_tool.dart b/lib/upload_image/upload_images_tool.dart
index 1117c11..0b7045c 100644
--- a/lib/upload_image/upload_images_tool.dart
+++ b/lib/upload_image/upload_images_tool.dart
@@ -26,7 +26,7 @@ class UploadImagesTool {
   }) async {
     await chooseCamera(
       context: context,
-      max: max,
+      max: max??9,
       oSSAccessKeyId: oSSAccessKeyId ?? '',
       ossHost: ossHost ?? '',
       ossDirectory: ossDirectory ?? '',