训练数据时报错

[chlllllluo]

你好，我已经用您给的数据（,pkl）成功复现了训练过程，但是当我用自己的数据测试时却发生了一下错误：
Traceback (most recent call last):
File "train_rnn_classify.py", line 177, in
tf.app.run()
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/platform/app.py", line 30, in run
sys.exit(main(sys.argv[:1] + flags_passthrough))
File "train_rnn_classify.py", line 173, in main
train_step()
File "train_rnn_classify.py", line 157, in train_step
global_steps=run_epoch(model,session,train_data,global_steps,valid_model,valid_data,train_summary_writer,dev_summary_writer)
File "train_rnn_classify.py", line 96, in run_epoch
cost,accuracy,_,summary = session.run(fetches,feed_dict)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 717, in run
run_metadata_ptr)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 915, in _run
feed_dict_string, options, run_metadata)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 965, in _do_run
target_list, options, run_metadata)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/client/session.py", line 985, in _do_call
raise type(e)(node_def, op, message)
tensorflow.python.framework.errors.InvalidArgumentError: Nan in summary histogram for: model/HistogramSummary_4
[[Node: model/HistogramSummary_4 = HistogramSummary[T=DT_FLOAT, _device="/job:localhost/replica:0/task:0/cpu:0"](model/HistogramSummary_4/tag, model/clip_by_global_norm/model/clip_by_global_norm/_4)]]

请问报错原因是社么？我输入的数据格式和您给的数据格式一致，都是第一项为句子链表，第二项为9或1链表。
谢谢