Fix bugs of generate_sequence_by_rnn_lm
Fix bugs of generate_sequence_by_rnn_lm

Superjom/models-1,kuke/models,Superjom/models-1,kuke/models,lcy-seso/models,lcy-seso/models,PaddlePaddle/models,lcy-seso/models,qingqing01/models,PaddlePaddle/models,kuke/models,kuke/models,Superjom/models-1,qingqing01/models,qingqing01/models,PaddlePaddle/models