diff --git a/server/imserver/player.cc b/server/imserver/player.cc
index 4fbd7fd..8eb24b4 100644
--- a/server/imserver/player.cc
+++ b/server/imserver/player.cc
@@ -447,7 +447,9 @@ void Player::_CMQueryUserStatus(f8::MsgHdr& hdr, const cs::CMQueryUserStatus& ms
 {
     std::vector<std::string> account_ids;
     for (auto& account_id : msg.user_list()) {
-        account_ids.push_back(account_id);
+        if (account_ids.size() < 20) {
+            account_ids.push_back(account_id);
+        }
     }
     AsyncTaskMgr::Instance()->CreateQueryUserStatusTask(this, account_ids);
 }