diff --git a/tests/unit/cli/cacu_rtf_by_aishell.sh b/tests/unit/cli/cacu_rtf_by_aishell.sh
index b9d68352dbab3c86e1211852bae16e2903078ea3..55aa9054fadfdca7eeb40e9376207dec0e0ffc4c 100644
--- a/tests/unit/cli/cacu_rtf_by_aishell.sh
+++ b/tests/unit/cli/cacu_rtf_by_aishell.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
+source path.sh
 stage=-1
 stop_stage=100
 MAIN_ROOT=../../..
diff --git a/tests/unit/cli/path.sh b/tests/unit/cli/path.sh
new file mode 100644
index 0000000000000000000000000000000000000000..38a242a4ab3dd01e29873e8f827f9bdb4656fb57
--- /dev/null
+++ b/tests/unit/cli/path.sh
@@ -0,0 +1,11 @@
+export MAIN_ROOT=`realpath ${PWD}/../../../`
+
+export PATH=${MAIN_ROOT}:${MAIN_ROOT}/utils:${PATH}
+export LC_ALL=C
+
+export PYTHONDONTWRITEBYTECODE=1
+# Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C
+export PYTHONIOENCODING=UTF-8
+export PYTHONPATH=${MAIN_ROOT}:${PYTHONPATH}
+
+export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/lib/