diff --git a/alibabacloud_credentials/__init__.py b/alibabacloud_credentials/__init__.py
index 8d33675..b71b329 100644
--- a/alibabacloud_credentials/__init__.py
+++ b/alibabacloud_credentials/__init__.py
@@ -1 +1 @@
-__version__ = "1.0.5"
+__version__ = "1.0.6"
diff --git a/alibabacloud_credentials/provider/cli_profile.py b/alibabacloud_credentials/provider/cli_profile.py
index b7c52af..e04cef4 100644
--- a/alibabacloud_credentials/provider/cli_profile.py
+++ b/alibabacloud_credentials/provider/cli_profile.py
@@ -248,8 +248,10 @@ def _find_source_oauth_profile(config: dict, profile_name: str) -> dict:
 
             if profile.get('mode') == 'OAuth':
                 return profile
-            elif source_profile := profile.get('source_profile'):
-                return _find_source_oauth_profile(config, source_profile)
+            else:
+                source_profile = profile.get('source_profile')
+                if source_profile:
+                    return _find_source_oauth_profile(config, source_profile)
 
             raise CredentialException(f"unable to get OAuth profile with name '{profile_name}' from cli credentials file.")
 
@@ -563,8 +565,10 @@ def _find_source_oauth_profile(config: dict, profile_name: str) -> dict:
 
             if profile.get('mode') == 'OAuth':
                 return profile
-            elif source_profile := profile.get('source_profile'):
-                return _find_source_oauth_profile(config, source_profile)
+            else:
+                source_profile = profile.get('source_profile')
+                if source_profile:
+                    return _find_source_oauth_profile(config, source_profile)
 
             raise CredentialException(f"unable to get OAuth profile with name '{profile_name}' from cli credentials file.")