diff --git a/en/option/series/line.md b/en/option/series/line.md
index d51284a1..9ee798e0 100644
--- a/en/option/series/line.md
+++ b/en/option/series/line.md
@@ -101,6 +101,10 @@ Whether to connect the line across null points.
 
 Whether `line` and `area` can trigger the event.
 
+## triggerLineOnlyEvent(boolean) = false
+
+Whether only `line` can trigger the event.
+
 ## step(string|boolean) = false
 
 <ExampleUIControlEnum options='start,middle,end' />
diff --git a/zh/option/series/line.md b/zh/option/series/line.md
index 78746d6e..197ce6f4 100644
--- a/zh/option/series/line.md
+++ b/zh/option/series/line.md
@@ -128,6 +128,10 @@ const option = {
 
 线条和区域面积是否触发事件
 
+## triggerLineOnlyEvent(boolean) = false
+
+是否只有线路可以触发事件
+
 ## step(string|boolean) = false
 
 <ExampleUIControlEnum options='start,middle,end' />