mysql> show full processlist; #查看问题的线程！！！！
找到异常进程的ID
然后kill 掉：
mysql> kill xxxxxxx; #xxxxxx是ID号
然后再次执行update执作，问题解决！！
时间： 2024-08-05 19:33:33
执行 update操作的时候有报错 ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
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