diff --git a/cocos/spine/assembler/simple.ts b/cocos/spine/assembler/simple.ts
index c99dc74fcc6..45fb119ad8e 100644
--- a/cocos/spine/assembler/simple.ts
+++ b/cocos/spine/assembler/simple.ts
@@ -175,7 +175,7 @@ function realTimeTraverse (comp: Skeleton): void {
     let indexOffset = 0;
     let indexCount = 0;
     for (let i = 0; i < count; i += 6) {
-        indexCount = data.get(i+3);
+        indexCount = data.get(i + 3);
         const material = _getSlotMaterial(data.get(i + 4), comp);
         const textureID: number = data.get(i + 5);
         comp.requestDrawData(material, textureID, indexOffset, indexCount);
diff --git a/cocos/spine/lib/spine-core.d.ts b/cocos/spine/lib/spine-core.d.ts
index b4f1a654220..81ad182f431 100644
--- a/cocos/spine/lib/spine-core.d.ts
+++ b/cocos/spine/lib/spine-core.d.ts
@@ -700,7 +700,7 @@ declare namespace spine {
         scale: number;
         private linkedMeshes;
         constructor(attachmentLoader: AttachmentLoader);
-        readSkeletonData(json: string | any): SkeletonData;
+        readSkeletonData(json: any): SkeletonData;
         readAttachment(map: any, skin: Skin, slotIndex: number, name: string, skeletonData: SkeletonData): Attachment;
         readVertices(map: any, attachment: VertexAttachment, verticesLength: number): void;
         readAnimation(map: any, name: string, skeletonData: SkeletonData): void;
diff --git a/cocos/spine/skeleton.ts b/cocos/spine/skeleton.ts
index edb250a0f10..c188de758f7 100644
--- a/cocos/spine/skeleton.ts
+++ b/cocos/spine/skeleton.ts
@@ -305,7 +305,7 @@ export class Skeleton extends UIRenderer {
     _vBuffer: Uint8Array | null = null;
     _iLength = 0;
     _iBuffer: Uint8Array | null = null;
-    _model: any | undefined;
+    _model: any;
     _tempColor: Color = new Color(1, 1, 1, 1);
 
     constructor () {
@@ -1015,7 +1015,7 @@ export class Skeleton extends UIRenderer {
             }
             this._updateCache(dt);
         } else {
-            if(EDITOR_NOT_IN_PREVIEW) this._instance.updateAnimation(dt);
+            if (EDITOR_NOT_IN_PREVIEW) this._instance.updateAnimation(dt);
         }
     }
 
@@ -1610,11 +1610,9 @@ export class Skeleton extends UIRenderer {
         const g = this._color.g / 255.0;
         const b = this._color.b / 255.0;
         const a = this.node._uiProps.opacity;
-
-        if (this._tempColor.r === r ||
-            this._tempColor.g === g ||
-            this._tempColor.b === b)
-            { return; }
+        if (this._tempColor.r === r && this._tempColor.g === g && this._tempColor.b === b) {
+            return;
+        }
         this._tempColor.set(r, g, b, this._tempColor.a);
         this._instance.setColor(r, g, b, a);
     }