diff --git a/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java b/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
index c0c44bc4..22044ec1 100644
--- a/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
+++ b/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
@@ -128,7 +128,7 @@ public abstract class OAuth2ResourceOwnerBaseAuthenticationProvider<T extends OA
 			authorizedScopes = new LinkedHashSet<>(resouceOwnerBaseAuthentication.getScopes());
 		}
 		else {
-			throw new ScopeException(OAuth2ErrorCodesExpand.SCOPE_IS_EMPTY);
+			authorizedScopes = new LinkedHashSet<>();
 		}
 
 		Map<String, Object> reqParameters = resouceOwnerBaseAuthentication.getAdditionalParameters();