diff --git a/server/imserver/player.cc b/server/imserver/player.cc
index 24500df..dfdf2f5 100644
--- a/server/imserver/player.cc
+++ b/server/imserver/player.cc
@@ -384,6 +384,9 @@ void Player::_CMFriendAddBlack(f8::MsgHdr& hdr, const cs::CMFriendAddBlack& msg)
         }
         ShowErrorMsg("成功添加到黑名单");
     } else {
+        if (msg.user_info().base_data().account_id().empty()) {
+            return;
+        }
         if (msg.user_info().base_data().account_id() == AccountId()) {
             return;
         }