diff --git a/jraft-core/src/main/java/com/alipay/sofa/jraft/conf/Configuration.java b/jraft-core/src/main/java/com/alipay/sofa/jraft/conf/Configuration.java
index 71759806b..c55c822a3 100644
--- a/jraft-core/src/main/java/com/alipay/sofa/jraft/conf/Configuration.java
+++ b/jraft-core/src/main/java/com/alipay/sofa/jraft/conf/Configuration.java
@@ -297,7 +297,7 @@ public boolean parse(final String conf) {
                 peerStr = peerStr.substring(0, index);
                 isLearner = true;
             }
-            if (peer.parse(peerStr)) {
+            if (peer.parse(StringUtils.trim(peerStr))) {
                 if (isLearner) {
                     addLearner(peer);
                 } else {