diff --git a/client/tracker_client.c b/client/tracker_client.c
index b344d6d..c40a8d4 100644
--- a/client/tracker_client.c
+++ b/client/tracker_client.c
@@ -381,6 +381,13 @@ int tracker_list_servers(ConnectionInfo *pTrackerServer, \
 		pDest->current_write_path = buff2long( \
 					pSrc->sz_current_write_path);
 
+		pStorageStat->connection.alloc_count = buff2int( \
+			pStatBuff->connection.sz_alloc_count);
+		pStorageStat->connection.current_count = buff2int( \
+			pStatBuff->connection.sz_current_count);
+		pStorageStat->connection.max_count = buff2int( \
+			pStatBuff->connection.sz_max_count);
+
 		pStorageStat->total_upload_count = buff2long( \
 			pStatBuff->sz_total_upload_count);
 		pStorageStat->success_upload_count = buff2long( \
diff --git a/storage/storage_nio.c b/storage/storage_nio.c
index 15cd1de..6c98761 100644
--- a/storage/storage_nio.c
+++ b/storage/storage_nio.c
@@ -68,7 +68,9 @@ void task_finish_clean_up(struct fast_task_info *pTask)
 
 	memset(pTask->arg, 0, sizeof(StorageClientInfo));
 	free_queue_push(pTask);
+
     __sync_fetch_and_sub(&g_connection_stat.current_count, 1);
+    ++g_stat_change_count;
 }
 
 static int set_recv_event(struct fast_task_info *pTask)
diff --git a/storage/storage_service.c b/storage/storage_service.c
index 5d0c3ff..b1c6382 100644
--- a/storage/storage_service.c
+++ b/storage/storage_service.c
@@ -1857,6 +1857,7 @@ static void *accept_thread_entrance(void* arg)
             if (current_connections > g_connection_stat.max_count) {
                 g_connection_stat.max_count = current_connections;
             }
+            ++g_stat_change_count;
         }
 	}
 
diff --git a/storage/tracker_client_thread.c b/storage/tracker_client_thread.c
index 2764167..2fac442 100644
--- a/storage/tracker_client_thread.c
+++ b/storage/tracker_client_thread.c
@@ -2133,11 +2133,11 @@ static int tracker_heart_beat(ConnectionInfo *pTrackerServer, \
 		pStatBuff = (FDFSStorageStatBuff *)( \
 				out_buff + sizeof(TrackerHeader));
 
-		long2buff(free_queue_alloc_connections(), \
+		int2buff(free_queue_alloc_connections(), \
 			pStatBuff->connection.sz_alloc_count);
-		long2buff(g_storage_stat.connection.current_count, \
+		int2buff(g_storage_stat.connection.current_count, \
 			pStatBuff->connection.sz_current_count);
-		long2buff(g_storage_stat.connection.max_count, \
+		int2buff(g_storage_stat.connection.max_count, \
 			pStatBuff->connection.sz_max_count);
 
 		long2buff(g_storage_stat.total_upload_count, \
diff --git a/tracker/tracker_service.c b/tracker/tracker_service.c
index 3469c54..2699409 100644
--- a/tracker/tracker_service.c
+++ b/tracker/tracker_service.c
@@ -2223,6 +2223,13 @@ static int tracker_deal_server_list_group_storages(struct fast_task_info *pTask)
 		long2buff((*ppServer)->current_write_path, \
 				pDest->sz_current_write_path);
 
+		int2buff(pStorageStat->connection.alloc_count, \
+				pStatBuff->connection.sz_alloc_count);
+		int2buff(pStorageStat->connection.current_count, \
+				pStatBuff->connection.sz_current_count);
+		int2buff(pStorageStat->connection.max_count, \
+				pStatBuff->connection.sz_max_count);
+
 		long2buff(pStorageStat->total_upload_count, \
 				pStatBuff->sz_total_upload_count);
 		long2buff(pStorageStat->success_upload_count, \
@@ -3521,11 +3528,11 @@ static int tracker_deal_storage_beat(struct fast_task_info *pTask)
 		pStat = &(pClientInfo->pStorage->stat);
 
 		pStat->connection.alloc_count = \
-			buff2long(pStatBuff->connection.sz_alloc_count);
+			buff2int(pStatBuff->connection.sz_alloc_count);
 		pStat->connection.current_count = \
-			buff2long(pStatBuff->connection.sz_current_count);
+			buff2int(pStatBuff->connection.sz_current_count);
 		pStat->connection.max_count = \
-			buff2long(pStatBuff->connection.sz_max_count);
+			buff2int(pStatBuff->connection.sz_max_count);
 
 		pStat->total_upload_count = \
 			buff2long(pStatBuff->sz_total_upload_count);