关于PhysicsSprite报错的问题

我用这种方式就没问题

auto sprite = Sprite::create(“grossinis_sister1.png”);
PhysicsBody *body = PhysicsBody::create();
body->addShape(PhysicsShapeBox::create(Size(48,113)));
sprite->setPhysicsBody(body);
sprite->setPosition(Vec2(visibleSize / 2) + origin);
this->addChild(sprite,0, kTagSprite);



但是用<pre class="brush:cpp; toolbar: true; auto-links: false;">

auto sprite = PhysicsSprite::create("grossinis_sister1.png");
sprite->setPosition(Vec2(visibleSize / 2) + origin);
this->addChild(sprite,0, kTagSprite);


就会报错,错误提示如下


有没有人知道怎么回事?