fix(markLine): symbolOffset incorrectly marked as mandatory
diff --git a/src/component/marker/MarkLineModel.ts b/src/component/marker/MarkLineModel.ts
index 4fed8c5..0c27667 100644
--- a/src/component/marker/MarkLineModel.ts
+++ b/src/component/marker/MarkLineModel.ts
@@ -61,7 +61,7 @@
symbol?: string[] | string
symbolSize?: number[] | number
symbolRotate?: number[] | number
- symbolOffset: number | string | (number | string)[]
+ symbolOffset?: number | string | (number | string)[]
}
// 2D markLine on any direction