diff --git a/examples/aishell3/vc0/local/preprocess.sh b/examples/aishell3/vc0/local/preprocess.sh
index 069cf94c..e458c706 100755
--- a/examples/aishell3/vc0/local/preprocess.sh
+++ b/examples/aishell3/vc0/local/preprocess.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-stage=3
+stage=0
 stop_stage=100
 
 config_path=$1