diff --git a/en/option/partial/axisPointer-common.md b/en/option/partial/axisPointer-common.md
index 9e1c3070..cc661e5b 100644
--- a/en/option/partial/axisPointer-common.md
+++ b/en/option/partial/axisPointer-common.md
@@ -106,6 +106,14 @@ Options:
Whether to trigger tooltip.
+#${prefix} triggerOnNull(boolean) = false
+
+
+
+Whether to trigger the axisPointer on `null` or `undefined` values. This is useful when used with the `echarts.connect()` API to trigger the axisPointer on connected charts if the value on those charts is `null`, `undefined`, or nonexistent.
+
+The `snap` attribute takes precedence over this.
+
#${prefix} value(number) = null
current value. When using [axisPointer.handle](xAxisPointer.handle), `value` can be set to define the initial position of axisPointer.
diff --git a/zh/option/partial/axisPointer-common.md b/zh/option/partial/axisPointer-common.md
index 8092e91a..a92f970c 100644
--- a/zh/option/partial/axisPointer-common.md
+++ b/zh/option/partial/axisPointer-common.md
@@ -101,6 +101,14 @@ axisPointer 的 label 默认不显示(也就是默认只显示指示线),
是否触发 tooltip。如果不想触发 tooltip 可以关掉。
+#${prefix} triggerOnNull(boolean) = false
+
+
+
+是否在`'null'`或`'undefined'`值上触发 axisPointer。如果这些图表上的值为`'null'`、`'undefined'`或不存在,这在与`'echarts.connect()'`API 一起使用以触发连接图表上的 axisPointer 时非常有用。
+
+`snap` 属性优先于此。
+
#${prefix} value(number) = null
当前的 value。在使用 [axisPointer.handle](xAxisPointer.handle) 时,可以设置此值进行初始值设定,从而决定 axisPointer 的初始位置。