diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/FriendRelationAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/FriendRelationAction.java
index 6a765707..8b0399e1 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/FriendRelationAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/FriendRelationAction.java
@@ -46,8 +46,11 @@ public class FriendRelationAction extends AdminAction {
                 && !StringUtil.isNullOrEmpty(friendAdd.getUserId())
                 && !StringUtil.isNullOrEmpty(friendAdd.getFriendUid())
             ) {
-                WFCMessage.HandleFriendRequest friendRequest = WFCMessage.HandleFriendRequest.newBuilder().setTargetUid(friendAdd.getFriendUid()).setStatus(friendAdd.getStatus()).setExtra(friendAdd.getExtra()).build();
-                RPCCenter.getInstance().sendRequest(friendAdd.getUserId(), null, IMTopic.HandleFriendRequestTopic, friendRequest.toByteArray(), friendAdd.getFriendUid(), TargetEntry.Type.TARGET_TYPE_USER, new RPCCenter.Callback() {
+                WFCMessage.HandleFriendRequest.Builder friendRequestBuilder = WFCMessage.HandleFriendRequest.newBuilder().setTargetUid(friendAdd.getFriendUid()).setStatus(friendAdd.getStatus());
+                if (!StringUtil.isNullOrEmpty(friendAdd.getExtra())) {
+                    friendRequestBuilder = friendRequestBuilder.setExtra(friendAdd.getExtra());
+                }
+                RPCCenter.getInstance().sendRequest(friendAdd.getUserId(), null, IMTopic.HandleFriendRequestTopic, friendRequestBuilder.build().toByteArray(), friendAdd.getFriendUid(), TargetEntry.Type.TARGET_TYPE_USER, new RPCCenter.Callback() {
                     @Override
                     public void onSuccess(byte[] result) {
                         ByteBuf byteBuf = Unpooled.buffer();