diff --git a/README.md b/README.md
index 8c9d2fa..b4edaea 100755
--- a/README.md
+++ b/README.md
@@ -7,11 +7,9 @@
 
 ## 特效预览
 
-### 内发光
-
-
-
+### 1. 内发光（[实现原理及使用说明]()）
 
+![](static/effects/2d-sprite-glow-inner.gif)
 
 ## 支持一下作者吧
 
diff --git a/static/effects/2d-sprite-glow-inner.gif b/static/effects/2d-sprite-glow-inner.gif
new file mode 100644
index 0000000..923b85a
Binary files /dev/null and b/static/effects/2d-sprite-glow-inner.gif differ