diff --git a/okx/api/_client.py b/okx/api/_client.py
index 0ddb99a..a04c6b5 100644
--- a/okx/api/_client.py
+++ b/okx/api/_client.py
@@ -56,7 +56,8 @@ def wrapper2(*args, **kwargs):
 
 
 class Client(object):
-    API_URL = 'https://www.okex.com'
+    # 这个地址是对的
+    API_URL = 'https://www.okx.com'
 
     def __init__(
             self,