diff --git a/README.md b/README.md
index fc57699..707893d 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,9 @@
 <br><br>
 * **v3.5.220**
 * 带printf那样格式的输出 (比如`logger.logf("PI = %f%n", Math.PI);`)
+<br><br>
+* **v4.0.247**
+* 支持`8BIT (256)`颜色环境
 
 #### 待实现(TODO)的功能: