diff --git a/en/changelog.md b/en/changelog.md
index 84ba10a59..6cdba51c6 100644
--- a/en/changelog.md
+++ b/en/changelog.md
@@ -1,5 +1,5 @@
## v4.8.0
-
2020-05-04
+2020-05-25
+ [Feature] [toolbox] Support download SVG file in toolbox when using SVG render mode. [#12144](https://github.com/apache/incubator-echarts/pull/12144) ([Zhang Wenli](https://github.com/Ovilia))
diff --git a/zh/changelog.md b/zh/changelog.md
index 249120a5a..c4e58ed8a 100644
--- a/zh/changelog.md
+++ b/zh/changelog.md
@@ -1,5 +1,5 @@
## v4.8.0
-2020-05-04
+2020-05-25
+ [Feature] [toolbox] 支持 SVG 渲染模式下 toolbox 下载成 SVG 文件。 [#12144](https://github.com/apache/incubator-echarts/pull/12144) ([Zhang Wenli](https://github.com/Ovilia))