diff --git a/README.md b/README.md
index ac2ec8a..84ad695 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ import shouqianba
 
 shouqianba.config.vendor_key = 'd1312asd31123tga123g11'
 shouqianba.config.vendor_sn = '138121'
+shouqianba.config.app_id = '2018080800000001'
 
 client = shouqianba.ShouqianbaClient()
 client.activate("00000008", True)
diff --git a/shouqianba/client.py b/shouqianba/client.py
index b8d4796..f60e19a 100644
--- a/shouqianba/client.py
+++ b/shouqianba/client.py
@@ -106,8 +106,9 @@ class ShouqianbaClient(BaseClient):
     PAYWAY_BAIFUBAO = '4'  # 百度钱包支付通道
     PAYWAY_JD = '5'  # 京东钱包支付通道
 
-    def __init__(self, base_url=None, vendor_sn=None, vendor_key=None, terminal_sn=None, terminal_key=None, **kwargs):
+    def __init__(self, base_url=None, vendor_sn=None, vendor_key=None, app_id=None, terminal_sn=None, terminal_key=None, **kwargs):
         self.last_order_sn = None
+        self.app_id = app_id or config.app_id
         self._default_goods_subject = "Python Client"
         self.device_id = kwargs.pop('device_id', "50a87771-ca8a-4952-a493-9504c39ab495")  # 设备唯一身份ID
         self.os_info = kwargs.pop("os_info", "Android 5.0")  # 当前系统信息
@@ -277,6 +278,7 @@ def activate(self, code, override_terminal=False):
         """
         payload = dict(
             code=code,
+            app_id=self.app_id,
             device_id=self.device_id,
             sdk_version=self.sdk_version,
             os_info=self.os_info,
diff --git a/shouqianba/config.py b/shouqianba/config.py
index 427fa87..a27548c 100644
--- a/shouqianba/config.py
+++ b/shouqianba/config.py
@@ -2,6 +2,7 @@
 
 vendor_sn = None
 vendor_key = None
+app_id= None
 terminal_sn = None
 terminal_key = None
 base_url = "https://vsi-api.shouqianba.com"