diff --git a/pdd_union/auth_url.go b/pdd_union/auth_url.go
new file mode 100644
index 0000000..1cc5733
--- /dev/null
+++ b/pdd_union/auth_url.go
@@ -0,0 +1,11 @@
+package pdd_union
+
+import (
+	zhios_third_party_utils "code.fnuoos.com/go_rely_warehouse/zyos_go_third_party_api.git/utils"
+	"github.com/tidwall/gjson"
+)
+
+func CheckAuthUrl(keyArr map[string]string, param map[string]interface{}) string {
+	send, _ := Send(keyArr, "pdd.ddk.oauth.member.authority.query", param)
+	return zhios_third_party_utils.Int64ToStr(gjson.Get(send, "authority_query_response.bind").Int())
+}