diff --git a/iam/__version__.py b/iam/__version__.py
index 36b43f7..aeaef40 100644
--- a/iam/__version__.py
+++ b/iam/__version__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = "1.1.17"
+__version__ = "1.1.18"
diff --git a/iam/api/client.py b/iam/api/client.py
index d73001e..76f4597 100644
--- a/iam/api/client.py
+++ b/iam/api/client.py
@@ -129,7 +129,7 @@ def _call_esb_api(self, http_func, path, data, bk_token, bk_username, timeout=No
         """
         if self._apigateway_on:
             apigw_path = path.replace("/api/c/compapi/v2/iam/", "/api/v1/open/")
-            if not path.startswith("/api/v1/open/"):
+            if not apigw_path.startswith("/api/v1/open/"):
                 raise AuthAPIError("can't find the matched apigateway path, the esb api path is %s" % path)
 
             return self._call_apigateway_api(http_func, apigw_path, data, timeout)
diff --git a/release.md b/release.md
index c503126..206068b 100644
--- a/release.md
+++ b/release.md
@@ -1,5 +1,9 @@
 版本日志
 ===============
+# v1.1.18
+
+- bugfix: raise exception after replace esb api prefix
+
 # v1.1.17
 
 - contrib/iam_migration support calling api via APIGateway