Exception: 解析表达式出错。 内部错误:Oops! No applicable member has been found for the expression. The error occurred for expression "." at position 25 near ".GetFirst().Timestamp} <=". 原始表达式:DateTime.Now - {Clipboard.GetFirst().Timestamp} <= TimeSpan.FromMinutes(1) //这个表达式用于判断剪贴板的第一项内容是否来源于最近1分钟内的复制操作 开始位置:25 附近代码:.GetFirst().Timestamp} <= StackTrace: 在 Quicker.Domain.Actions.X.XActionHelper.GetValueFromExpression2(String expression, ActionExecuteContext context) 在 Quicker.Domain.Actions.X.XActionHelper.<>c__DisplayClass2_3.sfEn3vq0fGw() 在 MRieKLUGU6YZRM26PBi.HWDHKZUgw2FMOnNpMZ3.<>c__DisplayClass3_0.EIl6t7BAv19() 在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) 在 System.Threading.ThreadHelper.ThreadStart()