diff --git a/packages/x6/src/graph/mousewheel.ts b/packages/x6/src/graph/mousewheel.ts
index f31f2ded898..9f3760815ba 100644
--- a/packages/x6/src/graph/mousewheel.ts
+++ b/packages/x6/src/graph/mousewheel.ts
@@ -50,7 +50,7 @@ export class MouseWheel extends Base {
     const guard = this.widgetOptions.guard
 
     return (
-      (guard == null || guard.call(e)) &&
+      (guard == null || guard(e)) &&
       ModifierKey.isMatch(e, this.widgetOptions.modifiers)
     )
   }
@@ -59,7 +59,7 @@ export class MouseWheel extends Base {
     const guard = this.widgetOptions.guard
 
     if (
-      (guard == null || guard.call(e)) &&
+      (guard == null || guard(e)) &&
       ModifierKey.isMatch(e, this.widgetOptions.modifiers)
     ) {
       const factor = this.widgetOptions.factor || 1.2
diff --git a/sites/x6-sites/docs/api/graph/mousewheel.zh.md b/sites/x6-sites/docs/api/graph/mousewheel.zh.md
index 240ae1e17b4..3a74e647e08 100644
--- a/sites/x6-sites/docs/api/graph/mousewheel.zh.md
+++ b/sites/x6-sites/docs/api/graph/mousewheel.zh.md
@@ -73,7 +73,7 @@ interface MouseWheelOptions {
 new Graph({
   mousewheel: {
     enabled: true,
-    guard(this: Graph, e: WheelEvent) {
+    guard(e: WheelEvent) {
       if (e.altKey) {
         // 当按下 alt 键时，忽略所有滚动事件
         return false