diff --git a/work/externalcontact/external_user.go b/work/externalcontact/external_user.go
index b8a4bd1..c41e586 100644
--- a/work/externalcontact/external_user.go
+++ b/work/externalcontact/external_user.go
@@ -104,7 +104,7 @@ type Tag struct {
 // WechatChannel 视频号添加的场景
 type WechatChannel struct {
 	NickName string `json:"nickname"`
-	Source   string `json:"source"`
+	Source   int    `json:"source"`
 }
 
 // GetExternalUserDetail 获取外部联系人详情