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调用完athread进入下一个函数，这个flags是只是加载进ldm读了一下，就发生了段错误，为啥呢。
把athread注释掉，看还会有错误吗
athread
把put注释了，就没错了。flags没写呀
好像找到问题了。。nodes某个值写错了，估计写到flags上去了
