diff --git a/run_prod.sh b/run_prod.sh
index 205dced..25f937c 100644
--- a/run_prod.sh
+++ b/run_prod.sh
@@ -5,3 +5,5 @@ npm install
 echo "run docs:build"
 npm run docs:build
 
+ps -ef | grep "npm run docs:preview" | grep -v grep | awk '{print $2}' | xargs kill -9
+npm run docs:preview &
\ No newline at end of file