diff --git a/idp/wecom_inter.go b/idp/wecom_internal.go
similarity index 98%
rename from idp/wecom_inter.go
rename to idp/wecom_internal.go
index ab67e90e..eacfb2cc 100644
--- a/idp/wecom_inter.go
+++ b/idp/wecom_internal.go
@@ -163,5 +163,9 @@ func (idp *WeComInternalIdProvider) GetUserInfo(token *oauth2.Token) (*UserInfo,
 		AvatarUrl:   infoResp.Avatar,
 	}
 
+	if userInfo.Id == "" {
+		userInfo.Id = userInfo.Username
+	}
+
 	return &userInfo, nil
 }
diff --git a/idp/wecom.go b/idp/wecom_third_party.go
similarity index 100%
rename from idp/wecom.go
rename to idp/wecom_third_party.go