diff --git a/kgadget/src/baiDuSmsClient.py b/kgadget/src/baiDuSmsClient.py
index 721dc3c..3ee040b 100644
--- a/kgadget/src/baiDuSmsClient.py
+++ b/kgadget/src/baiDuSmsClient.py
@@ -32,8 +32,8 @@ class BaiduSMS:
         # self.signature_id = 'sms-sign-qQHYeC17077' # 开元云科技
         # self.signature_id = 'sms-sign-BqOhYB33019' # 开元云
         # self.signature_id = 'sms-sign-LOShPq75464' # 开元云北京
-        self.signature_id = 'sms-sign-xQYUwp42637' # 开元云北京
-        # self.signature_id = 'sms-sign-SyPAar57327' # 开元云北京科技
+        # self.signature_id = 'sms-sign-xQYUwp42637' # 开元云北京
+        self.signature_id = 'sms-sign-SyPAar57327' # 开元云北京科技
         # self.signature_id = 'sms-sign-JEimHH86684' # 开元数智北京科技
         # 短信模板类型映射（键为业务类型，值为对应模板ID）
         self.sms_types = {