update

egs/aishell/transformer/path.sh

@@ -3,3 +3,5 @@ export FUNASR_DIR=$PWD/../../..
 # NOTE(kan-bayashi): Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C
 export PYTHONIOENCODING=UTF-8
 export PATH=$FUNASR_DIR/funasr/bin:$PATH
+
+export OMP_NUM_THREADS=1