diff --git a/utils/hook.py b/utils/hook.py
index 35fba99..5ea5035 100644
--- a/utils/hook.py
+++ b/utils/hook.py
@@ -1,10 +1,13 @@
+import subprocess
 from datetime import datetime
 
 
-def gen_build_time():
+def gen_build_info():
+    hash_str = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode('utf-8').strip()
     with open('build_info.py', 'w', encoding='utf-8') as f:
         f.write(f"# Auto-generated build info\n")
         f.write(f"BUILD_TIME = '{datetime.now().isoformat(sep=' ', timespec='seconds')}'\n")
+        f.write(f"GIT_HASH = '{hash_str}'\n")
 
 
-gen_build_time()
+gen_build_info()