diff --git a/index.html b/index.html
index 66eff7f..8bd9510 100644
--- a/index.html
+++ b/index.html
@@ -21,17 +21,17 @@
     renderer.setSize(window.innerWidth, window.innerHeight);
     document.body.appendChild(renderer.domElement);
 
-    // 2. 添加立方体
+    // 2. 添加立方体(立方体:红色，中等粗糙度，高金属感)
     const cube = new THREE.Mesh(
         new THREE.BoxGeometry(1, 1, 1),
-        new THREE.MeshStandardMaterial({ color: 0xff0000, roughness: 0.5, metalness: 0.8 }) // 红色，中等粗糙度，高金属感
+        new THREE.MeshStandardMaterial({ color: 0xff0000, roughness: 0.5, metalness: 0.8 })
     );
     scene.add(cube);
 
-    // 添加地面
+    // 添加地面(平面:红色，中等粗糙度，高金属感)
     const plane = new THREE.Mesh(
-        new THREE.PlaneGeometry(10, 10), // 地面大小
-        new THREE.MeshStandardMaterial({ color: 0x808080, roughness: 0.5, metalness: 0.8 }) // 红色，中等粗糙度，高金属感
+        new THREE.PlaneGeometry(10, 10),
+        new THREE.MeshStandardMaterial({ color: 0x808080, roughness: 0.5, metalness: 0.8 })
     );
     plane.rotation.x = -Math.PI / 2; // 旋转地面，使其水平
     plane.position.y = -1;           // 将地面放置在立方体下方