diff --git a/src/renderer/WebGLRenderer.js b/src/renderer/WebGLRenderer.js
index 87868f6..532c2a6 100644
--- a/src/renderer/WebGLRenderer.js
+++ b/src/renderer/WebGLRenderer.js
@@ -822,7 +822,7 @@ const WebGLRenderer = Class.create(/** @lends WebGLRenderer.prototype */ {
             this.fire('afterRender');
         }
 
-        resourceManager.destroyUnsuedResource(stage);
+        resourceManager.destroyUnusedResource(stage);
     },
     /**
      * 渲染场景
diff --git a/src/renderer/WebGLResourceManager.js b/src/renderer/WebGLResourceManager.js
index 56eb091..84adc7b 100644
--- a/src/renderer/WebGLResourceManager.js
+++ b/src/renderer/WebGLResourceManager.js
@@ -111,7 +111,7 @@ const WebGLResourceManager = Class.create(/** @lends WebGLResourceManager.protot
      * @param {Node} [rootNode] 根节点，不传代表所有资源都没被使用过。
      * @return {WebGLResourceManager} this
      */
-    destroyUnsuedResource(rootNode) {
+    destroyUnusedResource(rootNode) {
         const needDestroyResources = this._needDestroyResources;
         if (needDestroyResources.length === 0) {
             return this;