修改代码如下能请帮忙确认一下吗

private _addKeyframeNodeOwner(clipOwners: KeyframeNodeOwner[], node: KeyframeNode, propertyOwner: any): void {
        var nodeIndex = node._indexInList;
        var fullPath = node.fullPath;
        var keyframeNodeOwner = this._keyframeNodeOwnerMap[fullPath];
        let mat = false;
        if (keyframeNodeOwner) {
            keyframeNodeOwner.referenceCount++;
            clipOwners[nodeIndex] = keyframeNodeOwner;
        } else {
            var property = propertyOwner;
            for (var i = 0, n = node.propertyCount; i < n; i++) {
//-------------------------------begin------------------------------
                if (property instanceof Material) {
                    switch (node.type) {
                        case KeyFrameValueType.Float:
                            property = property.getFloat(node.getPropertyByIndex(i));
                            break;
                        case KeyFrameValueType.Vector2:
                            property = property.getVector2(node.getPropertyByIndex(i)).clone();
                            break;
                        case KeyFrameValueType.Vector3:
                            property = property.getVector3(node.getPropertyByIndex(i)).clone();
                            break;
                        case KeyFrameValueType.Vector4:
                            property = property.getVector4(node.getPropertyByIndex(i)).clone();
                            break;
                        case KeyFrameValueType.Color:
                            const color = property.getColor(node.getPropertyByIndex(i));
                            property = new Vector4(color.r, color.g, color.b, color.a);
                            break;
                    }
                }

//-------------------------------end------------------------------

                property = property[node.getPropertyByIndex(i)];
                if (property instanceof Material) {
                    mat = true
                }
                if (!property)
                    break;
            } 
            keyframeNodeOwner = this._keyframeNodeOwnerMap[fullPath] = new KeyframeNodeOwner();
            keyframeNodeOwner.isMaterial = mat;
            keyframeNodeOwner.fullPath = fullPath;
            keyframeNodeOwner.indexInList = this._keyframeNodeOwners.length;
            keyframeNodeOwner.referenceCount = 1;
            keyframeNodeOwner.propertyOwner = propertyOwner;
            keyframeNodeOwner.nodePath = node.nodePath;
            keyframeNodeOwner.callbackFunData = node.callbackFunData;
            keyframeNodeOwner.callParams = node.callParams;
            keyframeNodeOwner.getCallbackNode();
            var propertyCount = node.propertyCount;
            var propertys: string[] = [];
            for (i = 0; i < propertyCount; i++)
                propertys[i] = node.getPropertyByIndex(i);
            keyframeNodeOwner.property = propertys;
            keyframeNodeOwner.type = node.type; 
            if (property) {//查询成功后赋默认值
                if (node.type === 0) {
                    keyframeNodeOwner.defaultValue = property;
                } else {
                    var defaultValue = new property.constructor();
                    property.cloneTo(defaultValue);
                    keyframeNodeOwner.defaultValue = defaultValue;
                    keyframeNodeOwner.value = new property.constructor();
                    keyframeNodeOwner.crossFixedValue = new property.constructor();
                }
            } 
            this._keyframeNodeOwners.push(keyframeNodeOwner);
            clipOwners[nodeIndex] = keyframeNodeOwner;
        }
    }

附件：
Animator.rar

Animator.rar