Created by: 0311xuyang

#使用book06上的模型示例，数据换成自己提供的一些，运行train时会报这样的错误

F0912 17:30:09.529294  3899 AverageOptimizer.h:76] Check failed: numUpdates_ > prevNumUpdates_ (0 vs. 0)
*** Check failure stack trace: ***
    @     0x7f638f8ede6d  google::LogMessage::Fail()
    @     0x7f638f8f191c  google::LogMessage::SendToLog()
    @     0x7f638f8ed993  google::LogMessage::Flush()
    @     0x7f638f8f2e2e  google::LogMessageFatal::~LogMessageFatal()
    @     0x7f63901456b8  paddle::AverageOptimizer::finishPass()
    @     0x7f6390131337  paddle::SgdThreadUpdater::finishPass()
    @     0x7f638f5c0e37  _wrap_ParameterUpdater_finishPass
    @           0x4aaec9  PyEval_EvalFrameEx
    @           0x4aa9a7  PyEval_EvalFrameEx
    @           0x4ad70d  PyEval_EvalCodeEx
    @           0x4aa88c  PyEval_EvalFrameEx
    @           0x4ad70d  PyEval_EvalCodeEx
    @           0x4aa88c  PyEval_EvalFrameEx
    @           0x4ad70d  PyEval_EvalCodeEx
    @           0x4ad842  PyEval_EvalCode
    @           0x4d64c2  PyRun_FileExFlags
    @           0x4d7839  PyRun_SimpleFileExFlags
    @           0x416edd  Py_Main
    @     0x7f6391179bd5  __libc_start_main
    @           0x415f91  (unknown)
    @              (nil)  (unknown)
Aborted (core dumped)

然而同样的数据集也曾正常训练过