Created by: JayEworld

报这个错，请问是为什么呢？该怎么解决呢

I0820 15:06:07.562870 12349 Util.cpp:166] commandline:  --use_gpu=False 
I0820 15:06:08.136152 12349 GradientMachine.cpp:85] Initing parameters..
I0820 15:06:12.327430 12349 GradientMachine.cpp:92] Init parameters done.
F0820 15:06:13.919644 12349 CosSimOp.cpp:54] Check failed: square_sum_x > 0 && square_sum_y > 0 
*** Check failure stack trace: ***
    @     0x7ff500468e6d  google::LogMessage::Fail()
    @     0x7ff50046c91c  google::LogMessage::SendToLog()
    @     0x7ff500468993  google::LogMessage::Flush()
    @     0x7ff50046de2e  google::LogMessageFatal::~LogMessageFatal()
    @     0x7ff5002e3380  paddle::CosSimForward<>()
    @     0x7ff5002e79e1  paddle::CosSimForwardFunc<>::calc()
    @     0x7ff500210a86  paddle::CosSimLayer::forward()
    @     0x7ff5002cf690  paddle::NeuralNetwork::forward()
    @     0x7ff5002ab883  paddle::GradientMachine::forwardBackward()
    @     0x7ff5004447ab  GradientMachine::forwardBackward()
    @     0x7ff50013b38e  _wrap_GradientMachine_forwardBackward
    @           0x4a9e33  PyEval_EvalFrameEx
    @           0x4ad70d  PyEval_EvalCodeEx
    @           0x4aa88c  PyEval_EvalFrameEx
    @           0x4ad70d  PyEval_EvalCodeEx
    @           0x4aa88c  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
    @     0x7ff5082f6bd5  __libc_start_main
    @           0x415f91  (unknown)
    @              (nil)  (unknown)
Aborted