diff --git a/Deploy.sh b/Deploy.sh
index 0759445..7caf6cb 100644
--- a/Deploy.sh
+++ b/Deploy.sh
@@ -11,8 +11,12 @@ if [ -z "$image_tag" ]; then
   exit 1
 fi
 if [ "$deployment" = "dev" ] || [ "$deployment" = "test" ] ; then
-    ingress_host=finance-dbt-doc.${deployment}.mujiannan.com
+    export ingress_host=finance-dbt-doc.${deployment}.mujiannan.com
 else
-    ingress_host=finance-dbt-doc.mujiannan.com
+    export ingress_host=finance-dbt-doc.mujiannan.com
 fi
-envsubst < Deploy.yml | kubectl apply -f -
\ No newline at end of file
+sed -e "s/\${namespace}/${namespace}/g" Deploy.yml \
+  -e "s/\${deployment}/${deployment}/g" \
+  -e "s/\${image_tag}/${image_tag}/g" \
+  -e "s/\${ingress_host}/${ingress_host}/g" \
+  | kubectl apply -f -
\ No newline at end of file