should close connection after fetch binlog

storage/storage_disk_recovery.c

@@ -1117,7 +1117,7 @@ int storage_disk_recovery_start(const int store_path_index)
 	}
 
 	result = storage_do_fetch_binlog(pStorageConn, store_path_index);
-	tracker_disconnect_server_ex(pStorageConn, result != 0);
+	tracker_disconnect_server(pStorageConn, true);
 	if (result != 0)
 	{
 		return result;

storage/storage_service.c

@@ -4268,6 +4268,7 @@ static int storage_server_do_fetch_one_path_binlog( \
 	if ((result=storage_reader_init(NULL, pReader)) != 0)
 	{
 		storage_reader_destroy(pReader);
+        free(pReader);
 		return result;
 	}