diff --git a/packages/x6/src/graph/pagebreak-accessor.ts b/packages/x6/src/graph/pagebreak-accessor.ts
index 67a16fbe45c..1c877c50e6f 100644
--- a/packages/x6/src/graph/pagebreak-accessor.ts
+++ b/packages/x6/src/graph/pagebreak-accessor.ts
@@ -17,6 +17,7 @@ export class PageBreakAccessor extends BaseGraph {
   enablePageBreak() {
     if (!this.isPageBreakEnabled()) {
       this.options.pageBreak.enabled = true
+      this.sizeDidChange()
     }
     return this
   }
@@ -24,6 +25,7 @@ export class PageBreakAccessor extends BaseGraph {
   disablePageBreak() {
     if (this.isPageBreakEnabled()) {
       this.options.pageBreak.enabled = false
+      this.sizeDidChange()
     }
     return this
   }
@@ -47,6 +49,7 @@ export class PageBreakAccessor extends BaseGraph {
   setPageBreakColor(color: string) {
     if (this.getPageBreakColor() !== color) {
       this.options.pageBreak.stroke = color
+      this.sizeDidChange()
     }
     return this
   }
@@ -66,6 +69,7 @@ export class PageBreakAccessor extends BaseGraph {
   setPageBreakDashed(dsahed: boolean) {
     if (dsahed !== this.isPageBreakDashed()) {
       this.options.pageBreak.dsahed = dsahed
+      this.sizeDidChange()
     }
     return this
   }
@@ -85,6 +89,7 @@ export class PageBreakAccessor extends BaseGraph {
   setPageBreakMinDist(minDist: number) {
     if (minDist !== this.getPageBreakMinDist()) {
       this.options.pageBreak.minDist = minDist
+      this.sizeDidChange()
     }
     return this
   }
diff --git a/packages/x6/src/graph/pagebreak-manager.ts b/packages/x6/src/graph/pagebreak-manager.ts
index b83598a64da..751d2abcefc 100644
--- a/packages/x6/src/graph/pagebreak-manager.ts
+++ b/packages/x6/src/graph/pagebreak-manager.ts
@@ -6,7 +6,13 @@ export class PageBreakManager extends BaseManager {
   protected verticalPageBreaks: Polyline[]
   protected horizontalPageBreaks: Polyline[]
 
-  updatePageBreaks(visible: boolean, width: number, height: number) {}
+  updatePageBreaks(visible: boolean, width: number, height: number) {
+    if (this.graph.infinite) {
+      this.updatePageBreaksInfinite(visible, width, height)
+    } else {
+      this.updatePageBreaksNormal(visible, width, height)
+    }
+  }
 
   updatePageBreaksNormal(visible: boolean, width: number, height: number) {
     const s = this.view.scale
@@ -38,7 +44,7 @@ export class PageBreakManager extends BaseManager {
     this.drawPageBreaks(false, vCount, pb, right, bottom, false)
   }
 
-  updatePageBreaksInfinite(visible: boolean) {
+  updatePageBreaksInfinite(visible: boolean, width: number, height: number) {
     const ps = this.view.scale * this.graph.pageScale
     const fmt = this.graph.pageFormat
     const gb = this.view.getBackgroundPageBounds()
@@ -67,11 +73,11 @@ export class PageBreakManager extends BaseManager {
     infinite: boolean,
   ) {
     if (horizontal) {
-      if (this.horizontalPageBreaks == null && count > 0) {
+      if (this.horizontalPageBreaks == null) {
         this.horizontalPageBreaks = []
       }
     } else {
-      if (this.verticalPageBreaks == null && count > 0) {
+      if (this.verticalPageBreaks == null) {
         this.verticalPageBreaks = []
       }
     }