diff --git a/src/canvas/Painter.ts b/src/canvas/Painter.ts
index 1054905e..b5ae9c6f 100644
--- a/src/canvas/Painter.ts
+++ b/src/canvas/Painter.ts
@@ -310,7 +310,7 @@ export default class CanvasPainter implements PainterBase {
     }
 
     paintOne(ctx: CanvasRenderingContext2D, el: Displayable) {
-        brushSingle(ctx, el, this._opts.darkMode);
+        brushSingle(ctx, el, this._opts.darkMode, this._opts.darkColorMap);
     }
 
     private _paintList(list: Displayable[], prevList: Displayable[], paintAll: boolean, redrawId?: number) {
diff --git a/src/canvas/graphic.ts b/src/canvas/graphic.ts
index 1092ca0e..b355391a 100644
--- a/src/canvas/graphic.ts
+++ b/src/canvas/graphic.ts
@@ -615,8 +615,8 @@ function getStyle(el: Displayable, inHover?: boolean) {
 export function brushSingle(
     ctx: CanvasRenderingContext2D,
     el: Displayable,
-    darkMode: boolean,
-    darkColorMap: Dictionary<string>
+    darkMode?: boolean,
+    darkColorMap?: Dictionary<string>
 ) {
     const scope: BrushScope = {
         inHover: false,