diff --git a/packages/webgal/package.json b/packages/webgal/package.json
index 4790dffa4..b7d16f4fd 100644
--- a/packages/webgal/package.json
+++ b/packages/webgal/package.json
@@ -24,7 +24,7 @@
     "mitt": "^3.0.0",
     "modern-css-reset": "^1.4.0",
     "pixi-filters": "^4.2.0",
-    "pixi-live2d-display-webgal": "^0.5.16",
+    "pixi-live2d-display-webgal": "^0.5.19",
     "pixi.js": "^6.3.0",
     "popmotion": "^11.0.5",
     "react": "^17.0.2",
diff --git a/packages/webgal/src/Core/live2DCore.ts b/packages/webgal/src/Core/live2DCore.ts
index 50280b9c7..110197658 100644
--- a/packages/webgal/src/Core/live2DCore.ts
+++ b/packages/webgal/src/Core/live2DCore.ts
@@ -38,6 +38,7 @@ export class Live2DCore {
   public Config: any;
 
   public createCubism2Texture?: (texture: Texture) => Texture;
+  public reserveCoreMemory?: (size: number) => void;
 
   // 临时记录未初始化前的数据
   // 旧版表情混合模式
@@ -52,6 +53,18 @@ export class Live2DCore {
     }
   }
 
+  // CubismCore预留堆内存容量，单位MB；PLDW的对应API的单位是byte
+  private _cubismMemoryReservedSize = 32
+  public get CubismMemoryReservedSize() {
+    return this._cubismMemoryReservedSize;
+  }
+  public set CubismMemoryReservedSize(size: number) {
+    this._cubismMemoryReservedSize = size;
+    if (this.isAvailable && this.reserveCoreMemory) {
+      this.reserveCoreMemory(this.CubismMemoryReservedSize * 1024 * 1024);
+    }
+  }
+
   public constructor() {
     this.ready = this.initLive2D();
   }
@@ -65,17 +78,27 @@ export class Live2DCore {
           console.warn('live2d plugin load failed');
           return;
         }
-        const { Live2DModel, SoundManager, config, Live2DLoader, ModelSettings, createCubism2Texture } = await import(
-          'pixi-live2d-display-webgal'
-        );
+        const {
+          Live2DModel,
+          SoundManager,
+          config,
+          Live2DLoader,
+          ModelSettings,
+          createCubism2Texture,
+          reserveCoreMemory,
+        } = await import('pixi-live2d-display-webgal');
         installLive2dAssetCache({ Live2DLoader, ModelSettings });
         this.Live2DModel = Live2DModel;
         this.SoundManager = SoundManager;
         this.Config = config;
         this.isAvailable = true;
         this.createCubism2Texture = createCubism2Texture;
+        this.reserveCoreMemory = reserveCoreMemory;
         console.log('Live2D plugin load success');
         this.initConfig();
+        if (this.reserveCoreMemory) {
+          this.reserveCoreMemory(this.CubismMemoryReservedSize * 1024 * 1024);
+        }
       })
       .catch((error) => {
         this.isAvailable = false;
diff --git a/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts b/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
index 299e34218..5e8510955 100644
--- a/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
+++ b/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
@@ -67,6 +67,11 @@ export const infoFetcher = (url: string): Promise<IGameVar> => {
             const appId = String(res);
             WebGAL.steam.initialize(appId);
           }
+          if (command === 'Cubism_Memory_Reserved_Size_MB') {
+            if (typeof res === 'number') {
+              Live2D.CubismMemoryReservedSize = res;
+            }
+          }
         }
       }
     });
diff --git a/yarn.lock b/yarn.lock
index fc2d5369d..6889b121e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4993,10 +4993,10 @@ pixi-filters@^4.2.0:
     "@pixi/filter-twist" "4.2.0"
     "@pixi/filter-zoom-blur" "4.2.0"
 
-pixi-live2d-display-webgal@^0.5.16:
-  version "0.5.16"
-  resolved "https://registry.yarnpkg.com/pixi-live2d-display-webgal/-/pixi-live2d-display-webgal-0.5.16.tgz#eddc6a4a478f9fef51fce942d0a21faccc2a7074"
-  integrity sha512-dKKWLHRdC70FUGyo10R0oNtB0fH4q1sCmJxFr3DhHDlUI+rPtsCiGag5PJ8yF6KG9HX+rUpe6R2GrvuHk3N5PA==
+pixi-live2d-display-webgal@^0.5.19:
+  version "0.5.19"
+  resolved "https://registry.yarnpkg.com/pixi-live2d-display-webgal/-/pixi-live2d-display-webgal-0.5.19.tgz#3bec5c75b55477ab6896d72bceaa2ae139ed1224"
+  integrity sha512-486kQpM4O0wpxKaQUTefSI46xmTGe1GbSNsCv7Fs4+2isvTSBB3frbTIEgVOSaU2uH8MyfN/WqE50Q3+9j5zwA==
   dependencies:
     gh-pages "^4.0.0"