diff --git a/cocos/animation/marionette/pose-graph/instantiation.ts b/cocos/animation/marionette/pose-graph/instantiation.ts
index ff33b011e1f..0b1db72ed13 100644
--- a/cocos/animation/marionette/pose-graph/instantiation.ts
+++ b/cocos/animation/marionette/pose-graph/instantiation.ts
@@ -125,9 +125,9 @@ export interface PoseNodeDependencyEvaluation {
     evaluate(): void;
 }
 
-function instantiateNode<TNode extends EvaluatableNode> (
+function instantiateNode (
     graph: PoseGraph,
-    node: TNode,
+    node: EvaluatableNode,
     instantiationMap: Map<PoseGraphNode, RuntimeNodeEvaluation>,
     linkContext: PureValueNodeLinkContext,
 ): RuntimeNodeEvaluation {
diff --git a/cocos/animation/marionette/state-machine/state-machine-eval.ts b/cocos/animation/marionette/state-machine/state-machine-eval.ts
index 7a794dd1e8d..56114bff2a1 100644
--- a/cocos/animation/marionette/state-machine/state-machine-eval.ts
+++ b/cocos/animation/marionette/state-machine/state-machine-eval.ts
@@ -196,7 +196,7 @@ class TopLevelStateMachineEvaluation {
         }
     }
 
-    public getCurrentClipStatuses (): Iterable<ClipStatus> {
+    public getCurrentClipStatuses (): Iterable<Readonly<ClipStatus>> {
         const { _currentNode: currentNode } = this;
         if (currentNode.kind === NodeKind.animation) {
             return currentNode.getClipStatuses(currentNode.absoluteWeight);
@@ -237,7 +237,7 @@ class TopLevelStateMachineEvaluation {
         return null;
     }
 
-    public getNextClipStatuses (): Iterable<ClipStatus> {
+    public getNextClipStatuses (): Iterable<Readonly<ClipStatus>> {
         const { _activatedTransitions: activatedTransitions } = this;
         if (activatedTransitions.length === 0) {
             return emptyClipStatusesIterable;
@@ -986,20 +986,21 @@ function createStateStatusCache (): MotionStateStatus {
     };
 }
 
-const emptyClipStatusesIterator: Readonly<Iterator<ClipStatus>> = Object.freeze({
-    next (..._args: [] | [undefined]): IteratorResult<ClipStatus> {
+type ReadonlyClipStatus = Readonly<ClipStatus>;
+const emptyClipStatusesIterator: Iterator<ReadonlyClipStatus> = {
+    next (..._args: [] | [undefined]): IteratorResult<ReadonlyClipStatus> {
         return {
             done: true,
             value: undefined,
         };
     },
-});
+};
 
-const emptyClipStatusesIterable: Iterable<ClipStatus> = Object.freeze({
+const emptyClipStatusesIterable: Iterable<ReadonlyClipStatus> = {
     [Symbol.iterator] () {
         return emptyClipStatusesIterator;
     },
-});
+};
 
 enum NodeKind {
     entry, exit, any, animation,
@@ -1286,7 +1287,7 @@ class VMSMEval {
         this._privateState.addTransition(transition);
     }
 
-    public getClipStatuses (baseWeight: number): Iterable<ClipStatus> {
+    public getClipStatuses (baseWeight: number): Iterable<Readonly<ClipStatus>> {
         const { _source: source } = this;
         if (!source) {
             return emptyClipStatusesIterable;
@@ -1357,7 +1358,7 @@ class VMSMInternalState extends EventifiedStateEval {
         return stateStatus;
     }
 
-    public getClipStatuses (baseWeight: number): Iterable<ClipStatus> {
+    public getClipStatuses (baseWeight: number): Iterable<Readonly<ClipStatus>> {
         return this._container.getClipStatuses(baseWeight);
     }
 
diff --git a/cocos/animation/marionette/variable/index.ts b/cocos/animation/marionette/variable/index.ts
index bbe24f1e327..4a7647a7e43 100644
--- a/cocos/animation/marionette/variable/index.ts
+++ b/cocos/animation/marionette/variable/index.ts
@@ -23,7 +23,7 @@
 */
 
 import { VariableType, VariableTypeValueTypeMap, VarInstanceBase } from './basic';
-import { PlainVariable } from './primitive-variable';
+import { PlainVariable, PlainVariableType } from './primitive-variable';
 import { TriggerVariable } from './trigger-variable';
 import { Vec3Variable } from './vec3-variable';
 import { QuatVariable } from './quat-variable';
@@ -50,7 +50,7 @@ export function createVariable<TVariableType extends VariableType> (
     case VariableType.FLOAT:
     case VariableType.INTEGER:
     case VariableType.BOOLEAN:
-        variable = new PlainVariable(type);
+        variable = new PlainVariable(type as PlainVariableType);
         break;
     case VariableType.TRIGGER:
         variable = new TriggerVariable();
diff --git a/cocos/animation/marionette/variable/primitive-variable.ts b/cocos/animation/marionette/variable/primitive-variable.ts
index 8a166bc0077..7bf833388e3 100644
--- a/cocos/animation/marionette/variable/primitive-variable.ts
+++ b/cocos/animation/marionette/variable/primitive-variable.ts
@@ -3,7 +3,7 @@ import { assertIsTrue } from '../../../core';
 import { ccclass, serializable } from '../../../core/data/decorators';
 import { BasicVariableDescription, VariableType, createInstanceTag, VarInstanceBase, Value } from './basic';
 
-type PlainVariableType = VariableType.FLOAT | VariableType.INTEGER | VariableType.BOOLEAN;
+export type PlainVariableType = VariableType.FLOAT | VariableType.INTEGER | VariableType.BOOLEAN;
 
 @ccclass('cc.animation.PlainVariable')
 export class PlainVariable {
diff --git a/cocos/physics/framework/components/character-controllers/character-controller.ts b/cocos/physics/framework/components/character-controllers/character-controller.ts
index eeb13cd5a8f..74a98241ca5 100644
--- a/cocos/physics/framework/components/character-controllers/character-controller.ts
+++ b/cocos/physics/framework/components/character-controllers/character-controller.ts
@@ -203,7 +203,7 @@ export class CharacterController extends Eventify(Component) {
         return this._center;
     }
 
-    public set center (value: Vec3) {
+    public set center (value: Readonly<Vec3>) {
         if (Vec3.equals(this._center, value)) return;
         Vec3.copy(this._center, value);
         // if (this._cct) { //update cct position
@@ -312,7 +312,7 @@ export class CharacterController extends Eventify(Component) {
      * @zh
      * 设置中心的世界坐标。
      */
-    public set centerWorldPosition (value: Vec3) {
+    public set centerWorldPosition (value: Readonly<Vec3>) {
         if (this._isInitialized) this._cct!.setPosition(value);
     }
 
diff --git a/cocos/serialization/deserialize-dynamic.ts b/cocos/serialization/deserialize-dynamic.ts
index 19e1aeb5769..c8dcd8d27c6 100644
--- a/cocos/serialization/deserialize-dynamic.ts
+++ b/cocos/serialization/deserialize-dynamic.ts
@@ -85,12 +85,12 @@ type AttributeFormerlySerializedAs = `${AttributeName}${typeof POSTFIX_FORMERLY_
 type AttributeDefault = `${AttributeName}${typeof POSTFIX_DEFAULT}`;
 type AttributeType = `${AttributeName}${typeof POSTFIX_TYPE}`;
 type AttributeEditorOnly = `${AttributeName}${typeof POSTFIX_EDITOR_ONLY}`;
-type AttrResult = {
+interface AttrResult {
     [K: string]: typeof K extends AttributeFormerlySerializedAs ? string :
         typeof K extends AttributeDefault ? unknown :
         typeof K extends AttributeType ? AnyFunction :
         typeof K extends AttributeEditorOnly ? boolean : never;
-};
+}
 
 function compileDeserializeJIT (self: _Deserializer, klass: CCClassConstructor<unknown>): CompiledDeserializeFn {
     const attrs: AttrResult = CCClass.Attr.getClassAttrs(klass);
@@ -287,22 +287,22 @@ type TypedArrayViewConstructorName =
     | 'Uint32Array' | 'Int32Array'
     | 'Float32Array' | 'Float64Array';
 
-type SerializedTypedArray = {
+interface SerializedTypedArray {
     __id__: never;
     __uuid__: never;
     __type__: 'TypedArray';
     array: number[];
     ctor: TypedArrayViewConstructorName;
-};
+}
 
-type SerializedTypedArrayRef = {
+interface SerializedTypedArrayRef {
     __id__: never;
     __uuid__: never;
     __type__: 'TypedArrayRef';
     ctor: TypedArrayViewConstructorName;
     offset: number;
     length: number;
-};
+}
 
 type SerializedGeneralTypedObject = {
     __id__: never;
@@ -310,18 +310,18 @@ type SerializedGeneralTypedObject = {
     __type__?: NotKnownTypeTag;
 } & Record<NotTypeTag, SerializedFieldValue>;
 
-type SerializedObjectReference = {
+interface SerializedObjectReference {
     __type__: never;
     __uuid__: never;
     __id__: number;
 }
 
-type SerializedUUIDReference = {
+interface SerializedUUIDReference {
     __type__: never;
     __id__: never;
     __uuid__: string;
     __expectedType__: string;
-};
+}
 
 type SerializedObject = SerializedTypedArray | SerializedTypedArrayRef | SerializedGeneralTypedObject;
 
@@ -588,12 +588,10 @@ class _Deserializer {
             return;
         }
 
-        // cSpell:words Deserializable
-
-        type ClassicCustomizedDeserializable = { _deserialize: (content: unknown, deserializer: _Deserializer) => void; };
+        interface ClassicCustomizedDeserializable { _deserialize: (content: unknown, deserializer: _Deserializer) => void; }
         if ((object as Partial<ClassicCustomizedDeserializable>)._deserialize) {
             // TODO: content check?
-            (object as ClassicCustomizedDeserializable)._deserialize((value as unknown as { content: unknown }).content, this);
+            (object as Partial<ClassicCustomizedDeserializable>)._deserialize!((value as unknown as { content: unknown }).content, this);
             return;
         }
 
@@ -767,18 +765,18 @@ class _Deserializer {
         klass: SerializableClassConstructor,
     ): void {
         if (klass === cclegacy.Vec2) {
-            type SerializedVec2 = { x?: number; y?: number; };
+            interface SerializedVec2 { x?: number; y?: number; }
             instance.x = (serialized as SerializedVec2).x || 0;
             instance.y = (serialized as SerializedVec2).y || 0;
             return;
         } else if (klass === cclegacy.Vec3) {
-            type SerializedVec3 = { x?: number; y?: number; z?: number; };
+            interface SerializedVec3 { x?: number; y?: number; z?: number; }
             instance.x = (serialized as SerializedVec3).x || 0;
             instance.y = (serialized as SerializedVec3).y || 0;
             instance.z = (serialized as SerializedVec3).z || 0;
             return;
         } else if (klass === cclegacy.Color) {
-            type SerializedColor = { r?: number; g?: number; b?: number; a?: number; };
+            interface SerializedColor { r?: number; g?: number; b?: number; a?: number; }
             instance.r = (serialized as SerializedColor).r || 0;
             instance.g = (serialized as SerializedColor).g || 0;
             instance.b = (serialized as SerializedColor).b || 0;
@@ -786,7 +784,7 @@ class _Deserializer {
             instance.a = (a === undefined ? 255 : a);
             return;
         } else if (klass === cclegacy.Size) {
-            type SerializedSize = { width?: number; height?: number; };
+            interface SerializedSize { width?: number; height?: number; }
             instance.width = (serialized as SerializedSize).width || 0;
             instance.height = (serialized as SerializedSize).height || 0;
             return;
@@ -865,8 +863,8 @@ export function deserializeDynamic (data: SerializedData | CCON, details: Detail
     return res;
 }
 
-export function parseUuidDependenciesDynamic (serialized: unknown): never[] {
-    const depends = [];
+export function parseUuidDependenciesDynamic (serialized: unknown): string[] {
+    const depends: string[] = [];
     const parseDependRecursively = (data: any, out: string[]): void => {
         if (!data || typeof data !== 'object' || typeof data.__id__ === 'number') { return; }
         const uuid = data.__uuid__;