diff --git a/pig-common/pig-common-security/src/main/java/com/pig4cloud/pig/common/security/util/OAuth2EndpointUtils.java b/pig-common/pig-common-security/src/main/java/com/pig4cloud/pig/common/security/util/OAuth2EndpointUtils.java
index be8b7cb1..017cf3f0 100644
--- a/pig-common/pig-common-security/src/main/java/com/pig4cloud/pig/common/security/util/OAuth2EndpointUtils.java
+++ b/pig-common/pig-common-security/src/main/java/com/pig4cloud/pig/common/security/util/OAuth2EndpointUtils.java
@@ -28,10 +28,8 @@ public class OAuth2EndpointUtils {
 		Map<String, String[]> parameterMap = request.getParameterMap();
 		MultiValueMap<String, String> parameters = new LinkedMultiValueMap<>(parameterMap.size());
 		parameterMap.forEach((key, values) -> {
-			if (values.length > 0) {
-				for (String value : values) {
-					parameters.add(key, value);
-				}
+			for (String value : values) {
+				parameters.add(key, value);
 			}
 		});
 		return parameters;