diff --git a/src/OceanScene.js b/src/OceanScene.js
index 7c79778..c331f9f 100644
--- a/src/OceanScene.js
+++ b/src/OceanScene.js
@@ -305,7 +305,7 @@ export class OceanScene {
     
     async initVegetation() {
         const vegSystem = new VegetationSystem(this.terrainGenerator, {
-            grassCount: 140000, // 草簇数量，越大地表覆盖越密
+            grassCount: 28000, // 草簇数量，越大地表覆盖越密
             shrubCount: 12, // 灌木和低矮植物数量
             treeCount: 9, // 树木数量
             terrainSize: 1200, // 植被允许分布的地形范围