diff --git a/server/imserver/chatmgr.cc b/server/imserver/chatmgr.cc
index 6078e60..aad2d0d 100644
--- a/server/imserver/chatmgr.cc
+++ b/server/imserver/chatmgr.cc
@@ -8,9 +8,27 @@
 #include "typeconvert.h"
 #include "metamgr.h"
 
+void ChatMsgRec::Pop(size_t max_num)
+{
+    while (msg_list.size() > max_num) {
+        msg_list.erase(msg_list.begin());
+    }
+}
+
+void ChatMsgRec::PopAndDelete(size_t max_num)
+{
+    while (msg_list.size() > max_num) {
+        cs::MFChatMsg* msg = *msg_list.begin();
+        msg_list.erase(msg_list.begin());
+        delete msg;
+    }
+}
+
 void ChatMgr::Init()
 {
-
+    world_msg_id_ = a8::GetMilliSecond();
+    guild_msg_id_ = a8::GetMilliSecond();
+    temp_msg_id_ = a8::GetMilliSecond();
 }
 
 void ChatMgr::UnInit()
diff --git a/server/imserver/chatmgr.h b/server/imserver/chatmgr.h
index f6dc7ee..7f8a087 100644
--- a/server/imserver/chatmgr.h
+++ b/server/imserver/chatmgr.h
@@ -9,22 +9,8 @@ struct ChatMsgRec
     long long last_id = 0;
     std::list<cs::MFChatMsg*> msg_list;
 
-    void Pop(size_t max_num)
-    {
-        while (msg_list.size() > max_num) {
-            msg_list.erase(msg_list.begin());
-        }
-    }
-
-    void PopAndDelete(size_t max_num)
-    {
-        while (msg_list.size() > max_num) {
-            cs::MFChatMsg* msg = *msg_list.begin();
-            msg_list.erase(msg_list.begin());
-            delete msg;
-        }
-    }
-
+    void Pop(size_t max_num);
+    void PopAndDelete(size_t max_num);
 };
 
 struct ChatedUserRec