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@小鱼 报错后可以直接删除。 我试试大佬说的解决方法，感谢感谢！
小
@Gene 第一次红字的时候,节点就挂了,
再次调用自然是无法通信了.
@Gene 在 ERROR: Unable to communicate with service [/write_state] 中说：
ERROR: Unable to communicate with service [/write_state], address [rosrpc://gene:44377]
看终端报错应该是数组越界,具体要debug代码才能找到原因
