diff --git a/pkg/platform/sources/gewechat.py b/pkg/platform/sources/gewechat.py
index c7478635..1b620243 100644
--- a/pkg/platform/sources/gewechat.py
+++ b/pkg/platform/sources/gewechat.py
@@ -86,7 +86,7 @@ class GewechatMessageConverter(adapter.MessageConverter):
             try:
                 base64_str, image_format = await image.get_gewechat_image_base64(
                     gewechat_url=self.config["gewechat_url"],
-                    gewechat_file_url=self.config["gewechat_file_url"]
+                    gewechat_file_url=self.config["gewechat_file_url"],
                     app_id=self.config["app_id"],
                     xml_content=image_xml,
                     token=self.config["token"],