diff --git a/examples/csmsc/voc3/finetune.sh b/examples/csmsc/voc3/finetune.sh
index ef2349f5..4e58e562 100755
--- a/examples/csmsc/voc3/finetune.sh
+++ b/examples/csmsc/voc3/finetune.sh
@@ -21,7 +21,7 @@ if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
 fi
 
 if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
-    python3 ${MAIN_ROOT}/paddlespeech/t2s/exps/gan_vocoder/link_wav.py \
+    python3 ${BIN_DIR}/../link_wav.py \
         --old-dump-dir=dump \
         --dump-dir=dump_finetune
 fi
diff --git a/examples/csmsc/voc5/finetune.sh b/examples/csmsc/voc5/finetune.sh
index ef2349f5..4e58e562 100755
--- a/examples/csmsc/voc5/finetune.sh
+++ b/examples/csmsc/voc5/finetune.sh
@@ -21,7 +21,7 @@ if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ]; then
 fi
 
 if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
-    python3 ${MAIN_ROOT}/paddlespeech/t2s/exps/gan_vocoder/link_wav.py \
+    python3 ${BIN_DIR}/../link_wav.py \
         --old-dump-dir=dump \
         --dump-dir=dump_finetune
 fi