diff --git a/work/externalcontact/external_user.go b/work/externalcontact/external_user.go
index acbc01343..b8d8f9c63 100644
--- a/work/externalcontact/external_user.go
+++ b/work/externalcontact/external_user.go
@@ -123,6 +123,7 @@ func (r *Client) GetExternalUserDetail(externalUserID string, nextCursor ...stri
 type BatchGetExternalUserDetailsRequest struct {
 	UserIDList []string `json:"userid_list"`
 	Cursor     string   `json:"cursor"`
+	Limit      int      `json:"limit,omitempty"`
 }
 
 // ExternalUserDetailListResponse 批量获取外部联系人详情响应