diff --git a/server/masterserver/svrmgr.cc b/server/masterserver/svrmgr.cc
index fcb8ffb..84461b0 100644
--- a/server/masterserver/svrmgr.cc
+++ b/server/masterserver/svrmgr.cc
@@ -96,6 +96,20 @@ void SvrMgr::_SS_IM_ReportServerInfo(f8::MsgHdr& hdr, const ss::SS_IM_ReportServ
         svr->port = msg.port();
         svr->servicing = msg.servicing();
         svr->last_active_tick = a8::XGetTickCount();
+        a8::UdpLog::Instance()->Info
+            (
+             "register new node socket_handle:%d node_idx:%d instance_id:%d "
+             "ip:%s port:%d online_num:%d servicing:%d",
+             {
+              svr->socket_handle,
+              svr->node_idx,
+              svr->instance_id,
+              svr->ip,
+              svr->port,
+              svr->online_num,
+              svr->servicing
+             }
+             );
         node_key_hash_[key] = svr;
         socket_hash_[hdr.socket_handle] = svr;
         node_sorted_list_.push_back(svr);
@@ -182,16 +196,15 @@ SvrNode* SvrMgr::AllocNode(const std::string& account_id)
     if (friend_data && friend_data->svr_node) {
         return friend_data->svr_node;
     }
-    if (node_sorted_list_.empty()) {
-        return nullptr;
-    }
-    size_t rnd = std::min((size_t)2, node_sorted_list_.size());
-    int idx = rand() % rnd;
-    while (idx >= 0) {
-        if (node_sorted_list_[idx]->servicing) {
-            return node_sorted_list_[idx];
+    if (!node_sorted_list_.empty()) {
+        size_t rnd = std::min((size_t)2, node_sorted_list_.size());
+        int idx = rand() % rnd;
+        while (idx >= 0) {
+            if (node_sorted_list_[idx]->servicing) {
+                return node_sorted_list_[idx];
+            }
+            --idx;
         }
-        --idx;
     }
     a8::UdpLog::Instance()->Warning("节点分配失败 node_sorted_list.size:%d node_list.size:%d",
                                     {
@@ -257,6 +270,22 @@ SvrNode* SvrMgr::GetNodeBySocket(int socket_handle)
 
 void SvrMgr::RemoveNode(SvrNode* svr_node)
 {
+    {
+        a8::UdpLog::Instance()->Warning
+            (
+             "remove node socket_handle:%d node_idx:%d instance_id:%d "
+             "ip:%s port:%d online_num:%d servicing:%d",
+             {
+              svr_node->socket_handle,
+              svr_node->node_idx,
+              svr_node->instance_id,
+              svr_node->ip,
+              svr_node->port,
+              svr_node->online_num,
+              svr_node->servicing
+             }
+             );
+    }
     {
         for (size_t i = 0; i < node_sorted_list_.size(); ++i) {
             if (node_sorted_list_[i] == svr_node) {