🐞 fix(src): 修复append模式下，未开启fs2导致的段错误

example/performance/conf/default.conf

@@ -9,8 +9,9 @@ hos_poolsize=100 #default
 hos_thread_sum=32 #default
 hos_cache_size=102400 #default
 hos_cache_count=10 #default
-hos_fd_live_time_ms=1000 #default
 hos_fs2_serverip=127.0.0.1
 hos_fs2_serverport=10086
 hos_fs2_path="./hos_fs2_log" #default
-hos_fs2_format=0 #default
+hos_fs2_format=0 #default
+hos_request_num=0
+hos_request_context=0