diff --git a/r b/r
new file mode 100755
index 0000000..adbdb4d
--- /dev/null
+++ b/r
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+TARGET=/root/kaidi-erp-reinstall-v031.sh
+URL=http://38.76.196.225:10099/awaioi/ERP/raw/tag/recovery-v0.3.1-1/reinstall-centos9.sh
+SHA256=0370fb17926f3b53d5ae849310fdc6cbbf019150415365a464b0972b8edf5d9a
+
+curl -fsSL --connect-timeout 15 --max-time 300 "$URL" -o "$TARGET"
+printf '%s  %s\n' "$SHA256" "$TARGET" | sha256sum -c -
+exec bash "$TARGET"