add ext attr

test4.py

@@ -13,5 +13,5 @@ param = {
 }
 
 if __name__ == '__main__':
-    ans = request_to_jd_vc(method_name, token, app_key, app_secret)
+    ans = request_to_jd_vc(method_name, token, app_key, app_secret, param)
     print(json.dumps(ans, ensure_ascii=False))
\ No newline at end of file