diff --git a/server/imserver/guild.cc b/server/imserver/guild.cc
index 2f1a8b1..0c0e8a4 100644
--- a/server/imserver/guild.cc
+++ b/server/imserver/guild.cc
@@ -135,6 +135,10 @@ void Guild::_CMGuildAgree(f8::MsgHdr& hdr, const cs::CMGuildAgree& msg)
     ss::SS_IM_ForwardGuildCMMsg *forward_msg = (ss::SS_IM_ForwardGuildCMMsg*)hdr.user_data;
 
     cs::SMGuildAgree respmsg;
+    if (IsFull()) {
+        respmsg.set_errcode(1);
+        respmsg.set_errmsg("公会人数已达上限");
+    }
     GuildMgr::Instance()->ForwardGuildSMMsg(hdr.socket_handle,
                                             forward_msg->context(),
                                             respmsg);
@@ -359,3 +363,8 @@ void Guild::GenSortedMembers()
         sorted_members_.push_back(pair.second);
     }
 }
+
+int Guild::GetMemberNum()
+{
+    return member_hash_.size();
+}
diff --git a/server/imserver/guild.h b/server/imserver/guild.h
index 5c6cc3d..0873bd8 100644
--- a/server/imserver/guild.h
+++ b/server/imserver/guild.h
@@ -78,6 +78,7 @@ private:
     void SerializeMembers(std::string& guild_members);
     void SaveToDB();
     void GenSortedMembers();
+    int GetMemberNum();
 
 private:
     bool dirty_ = false;