diff --git a/packages/effects-core/src/composition-source-manager.ts b/packages/effects-core/src/composition-source-manager.ts
index cf48d305b..56b9c3b11 100644
--- a/packages/effects-core/src/composition-source-manager.ts
+++ b/packages/effects-core/src/composition-source-manager.ts
@@ -102,11 +102,6 @@ export class CompositionSourceManager implements Disposable {
 
   private assembleItems (composition: spec.Composition) {
     const items: any[] = [];
-    let mask = this.mask++;
-
-    if (isNaN(mask)) {
-      mask = 0;
-    }
 
     composition.items.forEach(item => {
       const option: Record<string, any> = {};
@@ -128,11 +123,7 @@ export class CompositionSourceManager implements Disposable {
 
           if (renderContent.renderer) {
             renderContent.renderer = this.changeTex(renderContent.renderer);
-
-            if (!renderContent.renderer.mask) {
-              this.processMask(renderContent.renderer, this.mask);
-            }
-
+            this.processMask(renderContent.renderer);
             const split = renderContent.splits && !renderContent.textureSheetAnimation && renderContent.splits[0];
 
             if (Number.isInteger(renderContent.renderer.shape)) {
@@ -192,7 +183,7 @@ export class CompositionSourceManager implements Disposable {
 
             ref.items.forEach((item: Record<string, any>) => {
               item.listIndex = listOrder++;
-              this.processMask(item.content, maskRef);
+              this.processMask(item.content);
             });
             option.items = ref.items;
 
@@ -239,12 +230,17 @@ export class CompositionSourceManager implements Disposable {
   /**
    * 处理蒙版和遮挡关系写入 stencil 的 ref 值
    */
-  private processMask (renderer: Record<string, number>, maskRef: number) {
+  private processMask (renderer: Record<string, number>) {
+    if (renderer.maskMode === spec.MaskMode.NONE) {
+      return;
+    }
     if (!renderer.mask) {
       const maskMode: spec.MaskMode = renderer.maskMode;
 
-      if (maskMode !== spec.MaskMode.NONE) {
-        renderer.mask = maskRef;
+      if (maskMode === spec.MaskMode.MASK) {
+        renderer.mask = ++this.mask;
+      } else if (maskMode === spec.MaskMode.OBSCURED || maskMode === spec.MaskMode.REVERSE_OBSCURED) {
+        renderer.mask = this.mask;
       }
     }
   }