diff --git a/README.md b/README.md
index 5433b12..c5600c7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![License](https://img.shields.io/badge/License-GPLv3-blue.svg?style=flat-square)](https://www.gnu.org/licenses/gpl-3.0)
 # Bilibili-gadget
 A Bilibili widget uses Bilibili's account cookies