fix bug, 1 fix cuda oom, 2 fix choose a window size 400 that is [2, 0] (#2075)

Nixon

2024-09-14 1af68ba6ffc21d4dc3bd5f01cda656def97e361c

 examples/industrial_data_pretraining/contextual_paraformer/demo2.sh

old mode 100644
new mode 100755