diff --git a/upgrade.py b/upgrade.py
index 6a2ec3c..957fed9 100644
--- a/upgrade.py
+++ b/upgrade.py
@@ -37,7 +37,10 @@
 	zf.close()
 
 if __name__ == '__main__':
-	appFile = './app/release/app-release.apk'
+	if len(sys.argv) < 2:
+		print('miss parameter:app path!!!')
+		exit(1)
+	appFile = sys.argv[1]
 	print('appFile = ' + appFile)
 	
 	if not path.exists(appFile):