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最早的版本是在命令行编辑框里面只要输入命令,文本change就可以显示历史命令或者命令管理里面的命令,现在是命令编辑框压根不会提示,命令行输入要打一个空格或者2个空格才能提示历史命令或者命令管理里面的命令,就不能保持最早版本里面的输入字母就去匹配历史命令或者 命令管理里面的命令吗?