diff --git a/assets/lang/en-us.toml b/assets/lang/en-us.toml
index bf53627..4b87a89 100644
--- a/assets/lang/en-us.toml
+++ b/assets/lang/en-us.toml
@@ -63,6 +63,8 @@ mouse.release = "mouse release at {} button is: {}"
 mouse.RIGHT = "right button"
 mouse.LEFT = "left button"
 mouse.MIDDLE = "middle button"
+mouse.MOUSE4 = "scroll up"
+mouse.MOUSE5 = "scroll down"
 key.press = "key {} | {} been press"
 key.release = "key {} | {} been release"
 text.input = "input text \"{}\""
diff --git a/assets/lang/zh-CN.toml b/assets/lang/zh-CN.toml
index 106a4ec..6ba95f5 100644
--- a/assets/lang/zh-CN.toml
+++ b/assets/lang/zh-CN.toml
@@ -63,6 +63,8 @@ mouse.release = "鼠标在 {} 释放，按键为：{}"
 mouse.RIGHT = "右键"
 mouse.LEFT = "左键"
 mouse.MIDDLE = "中键"
+mouse.MOUSE4 = "滚轮向上"
+mouse.MOUSE5 = "滚轮向下"
 key.press = "按键 {} | {} 被按下"
 key.release = "按键 {} | {} 被释放"
 text.input = "输入字符 \"{}\""