[ERROR][2016-08-05 15:03:48,242][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:00,191][8] System.Runtime.InteropServices.COMException (0x800706BA): RPC á (쳣 HRESULT:0x800706BA)
    mshtml.IHTMLElement.get_innerText()
    Ebooom.IEOpt.Core.InternetExplorerOpreator.InputText(IHTMLElement element, String txt)
    Ebooom.IEOpt.Core.BaiduOptOpreator.SearchKeyword(InternetExplorer Browser, String keyword)
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    mshtml.IHTMLElement.get_innerText()
    Ebooom.IEOpt.Core.InternetExplorerOpreator.InputText(IHTMLElement element, String txt)
    Ebooom.IEOpt.Core.BaiduOptOpreator.SearchKeyword(InternetExplorer Browser, String keyword)
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:05,455][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:10,709][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:15,876][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:21,111][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:26,272][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
[ERROR][2016-08-05 15:04:31,546][8] System.NullReferenceException: δõʵ
    Ebooom.IEOpt.TaskManager.ExecuteTask()
    Ebooom.IEOpt.TaskManager.ExecuteTask()
