diff --git a/documents/solution/ai/drawing_with_tongyi_wanxiang.yml b/documents/solution/ai/drawing_with_tongyi_wanxiang.yml
index c793f777..85572cd8 100644
--- a/documents/solution/ai/drawing_with_tongyi_wanxiang.yml
+++ b/documents/solution/ai/drawing_with_tongyi_wanxiang.yml
@@ -180,7 +180,7 @@ Resources:
               - oss:GetObject
               - oss:PutObject
             Resource:
-              - Fn::Sub: acs:oss:${ALIYUN::Region}:${ALIYUN::TenantId}:${BucketName}/*
+              - Fn::Sub: acs:oss:oss-${ALIYUN::Region}:${ALIYUN::TenantId}:${BucketName}/*
   ModuleInstallJava:
     Version: default
     Type: 'MODULE::ACS::OOS::Extension'