diff --git a/src/main/resources/extensions/policy-template-s3os.yaml b/src/main/resources/extensions/policy-template-s3os.yaml
index 22d0d43..f16736d 100644
--- a/src/main/resources/extensions/policy-template-s3os.yaml
+++ b/src/main/resources/extensions/policy-template-s3os.yaml
@@ -31,6 +31,7 @@ spec:
           name: endpoint
           label: EndPoint
           validation: required
+          help: 协议头请在上方设置，此处无需以"http://"或"https://"开头，系统会自动拼接
         - $formkit: password
           name: accessKey
           label: Access Key