diff --git a/server/gameserver/matchteam.cc b/server/gameserver/matchteam.cc
index 4cea24dc..601a16c8 100644
--- a/server/gameserver/matchteam.cc
+++ b/server/gameserver/matchteam.cc
@@ -8,6 +8,11 @@
 #include "metamgr.h"
 #include "roommgr.h"
 
+RawTeamMember::RawTeamMember()
+{
+    msg = std::make_shared<cs::CMJoin>();
+}
+
 void RawTeamMember::FillMFMatchTeamMember(cs::MFMatchTeamMember* p)
 {
     p->set_account_id(msg->account_id());
diff --git a/server/gameserver/matchteam.h b/server/gameserver/matchteam.h
index 15ab7854..3ea9455c 100644
--- a/server/gameserver/matchteam.h
+++ b/server/gameserver/matchteam.h
@@ -38,6 +38,7 @@ struct RawTeamMember
     int state = kMatchReadying;
     int choose_hero_times = 0;
     MetaData::Robot* robot_meta = nullptr;
+    RawTeamMember();
     void FillMFMatchTeamMember(cs::MFMatchTeamMember* msg);
     void InitRobot();
 };