diff --git a/cocos/2d/assembler/graphics/webgl/impl.ts b/cocos/2d/assembler/graphics/webgl/impl.ts
index 32715eabf3f..bf3014b8671 100644
--- a/cocos/2d/assembler/graphics/webgl/impl.ts
+++ b/cocos/2d/assembler/graphics/webgl/impl.ts
@@ -66,6 +66,7 @@ export class Path {
     }
 }
 
+/** @mangle */
 export class Impl {
     public dataOffset = 0;
     public updatePathOffset = false;
diff --git a/cocos/2d/framework/ui-renderer-manager.ts b/cocos/2d/framework/ui-renderer-manager.ts
index a0a76cda8ab..1946acaacfb 100644
--- a/cocos/2d/framework/ui-renderer-manager.ts
+++ b/cocos/2d/framework/ui-renderer-manager.ts
@@ -27,6 +27,7 @@ import { assert, js } from '../../core';
 import { UIMeshRenderer } from '../components';
 import { UIRenderer } from './ui-renderer';
 
+/** @mangle */
 export class UIRendererManager {
     private _allRenderers: (UIRenderer | UIMeshRenderer)[] = [];
     private _dirtyRenderers: (UIRenderer | UIMeshRenderer)[] = [];
diff --git a/cocos/2d/renderer/render-draw-info.ts b/cocos/2d/renderer/render-draw-info.ts
index 45a0402cb6a..e6f024494cb 100644
--- a/cocos/2d/renderer/render-draw-info.ts
+++ b/cocos/2d/renderer/render-draw-info.ts
@@ -60,6 +60,7 @@ export enum RenderDrawInfoType {
     SUB_NODE,
 }
 
+/** @mangle */
 export class RenderDrawInfo {
     protected _accId = -1;
     protected _bufferId = -1;
diff --git a/cocos/2d/renderer/render-entity.ts b/cocos/2d/renderer/render-entity.ts
index 7e6bac165c0..7157e63cb90 100644
--- a/cocos/2d/renderer/render-entity.ts
+++ b/cocos/2d/renderer/render-entity.ts
@@ -64,6 +64,7 @@ export enum MaskMode {
     MASK_NODE_INVERTED
 }
 
+/** @mangle */
 export class RenderEntity {
     private _renderEntityType: RenderEntityType = RenderEntityType.STATIC;
 
diff --git a/cocos/2d/renderer/stencil-manager.ts b/cocos/2d/renderer/stencil-manager.ts
index e58469aa6a9..92a25d16905 100644
--- a/cocos/2d/renderer/stencil-manager.ts
+++ b/cocos/2d/renderer/stencil-manager.ts
@@ -66,6 +66,18 @@ export enum StencilSharedBufferView {
     count,
 }
 
+/** @mangle */
+interface StencilPattern {
+    stencilTest: boolean;
+    func: ComparisonFunc;
+    stencilMask: number;
+    writeMask: number;
+    failOp: StencilOp;
+    zFailOp: StencilOp;
+    passOp: StencilOp;
+    ref: number;
+}
+
 /**
  * @en Stencil state manager.
  * @zh 模板状态管理器。
@@ -73,8 +85,8 @@ export enum StencilSharedBufferView {
  */
 export class StencilManager {
     public static sharedManager: StencilManager | null = null;
-    private _maskStack: any[] = [];
-    private _stencilPattern = {
+    private _maskStack: number[] = [];
+    private _stencilPattern: StencilPattern = {
         stencilTest: true,
         func: ComparisonFunc.ALWAYS,
         stencilMask: 0xffff,
@@ -121,7 +133,7 @@ export class StencilManager {
      * @zh 添加mask嵌套。
      * @deprecated since v3.7.0, this is an engine private interface that will be removed in the future.
      */
-    public pushMask (mask: any): void {
+    public pushMask (mask: number): void {
         this._maskStack.push(mask);
     }
 
@@ -248,26 +260,27 @@ export class StencilManager {
             return cacheMap.get(key) as DepthStencilState;
         }
         this.setStateFromStage(stage);
+        const stencilPattern = this._stencilPattern;
         const depthStencilState = new DepthStencilState(
             depthTest,
             depthWrite,
             depthFunc,
-            this._stencilPattern.stencilTest,
-            this._stencilPattern.func,
-            this._stencilPattern.stencilMask,
-            this._stencilPattern.writeMask,
-            this._stencilPattern.failOp,
-            this._stencilPattern.zFailOp,
-            this._stencilPattern.passOp,
-            this._stencilPattern.ref,
-            this._stencilPattern.stencilTest,
-            this._stencilPattern.func,
-            this._stencilPattern.stencilMask,
-            this._stencilPattern.writeMask,
-            this._stencilPattern.failOp,
-            this._stencilPattern.zFailOp,
-            this._stencilPattern.passOp,
-            this._stencilPattern.ref,
+            stencilPattern.stencilTest,
+            stencilPattern.func,
+            stencilPattern.stencilMask,
+            stencilPattern.writeMask,
+            stencilPattern.failOp,
+            stencilPattern.zFailOp,
+            stencilPattern.passOp,
+            stencilPattern.ref,
+            stencilPattern.stencilTest,
+            stencilPattern.func,
+            stencilPattern.stencilMask,
+            stencilPattern.writeMask,
+            stencilPattern.failOp,
+            stencilPattern.zFailOp,
+            stencilPattern.passOp,
+            stencilPattern.ref,
         );
         cacheMap.set(key, depthStencilState);
         return depthStencilState;
@@ -283,7 +296,7 @@ export class StencilManager {
     }
 
     // Notice: Only children node in Mask need use this.stage
-    private setStateFromStage (stage): void {
+    private setStateFromStage (stage: Stage): void {
         const pattern = this._stencilPattern;
         if (stage === Stage.DISABLED) {
             pattern.stencilTest = false;
diff --git a/cocos/2d/renderer/vertex-format.ts b/cocos/2d/renderer/vertex-format.ts
index 3d8cdefa08c..f4e0aab25cf 100644
--- a/cocos/2d/renderer/vertex-format.ts
+++ b/cocos/2d/renderer/vertex-format.ts
@@ -25,12 +25,17 @@
 import { AttributeName, Format, FormatInfos, Attribute } from '../../gfx';
 import { cclegacy } from '../../core';
 
+const ATTR_POSITION = AttributeName.ATTR_POSITION;
+const ATTR_COLOR = AttributeName.ATTR_COLOR;
+const ATTR_TEX_COORD = AttributeName.ATTR_TEX_COORD;
+const ATTR_COLOR2 = AttributeName.ATTR_COLOR2;
+
 /**
  * @en Vertex format with vector 3 position attribute
  * @zh 包含三维位置属性的顶点格式
  */
 export const vfmt = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
 ];
 
 /**
@@ -42,8 +47,8 @@ export const vfmt = [
  * 2. RGBA 颜色属性（Float32）
  */
 export const vfmtPosColor = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
-    new Attribute(AttributeName.ATTR_COLOR, Format.RGBA32F),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_COLOR, Format.RGBA32F),
 ];
 
 /**
@@ -57,9 +62,9 @@ export const vfmtPosColor = [
  * 3. RGBA 颜色属性（Float32）
  */
 export const vfmtPosUvColor = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
-    new Attribute(AttributeName.ATTR_TEX_COORD, Format.RG32F),
-    new Attribute(AttributeName.ATTR_COLOR, Format.RGBA32F),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_TEX_COORD, Format.RG32F),
+    new Attribute(ATTR_COLOR, Format.RGBA32F),
 ];
 
 /**
@@ -73,9 +78,9 @@ export const vfmtPosUvColor = [
  * 3. RGBA 颜色属性（Byte）
  */
 export const vfmtPosUvColor4B = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
-    new Attribute(AttributeName.ATTR_TEX_COORD, Format.RG32F),
-    new Attribute(AttributeName.ATTR_COLOR, Format.RGBA8, true),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_TEX_COORD, Format.RG32F),
+    new Attribute(ATTR_COLOR, Format.RGBA8, true),
 ];
 
 /**
@@ -91,10 +96,10 @@ export const vfmtPosUvColor4B = [
  * 4. 第二套 RGBA 颜色属性（Float32）
  */
 export const vfmtPosUvTwoColor = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
-    new Attribute(AttributeName.ATTR_TEX_COORD, Format.RG32F),
-    new Attribute(AttributeName.ATTR_COLOR, Format.RGBA32F),
-    new Attribute(AttributeName.ATTR_COLOR2, Format.RGBA32F),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_TEX_COORD, Format.RG32F),
+    new Attribute(ATTR_COLOR, Format.RGBA32F),
+    new Attribute(ATTR_COLOR2, Format.RGBA32F),
 ];
 
 /**
@@ -110,10 +115,10 @@ export const vfmtPosUvTwoColor = [
  * 4. 第二套 RGBA 颜色属性（Byte）
  */
 export const vfmtPosUvTwoColor4B = [
-    new Attribute(AttributeName.ATTR_POSITION, Format.RGB32F),
-    new Attribute(AttributeName.ATTR_TEX_COORD, Format.RG32F),
-    new Attribute(AttributeName.ATTR_COLOR, Format.RGBA8, true),
-    new Attribute(AttributeName.ATTR_COLOR2, Format.RGBA8, true),
+    new Attribute(ATTR_POSITION, Format.RGB32F),
+    new Attribute(ATTR_TEX_COORD, Format.RG32F),
+    new Attribute(ATTR_COLOR, Format.RGBA8, true),
+    new Attribute(ATTR_COLOR2, Format.RGBA8, true),
 ];
 
 /**