sharkpark 背景图片更换

src/stage/index/style/IndexScene.less

@@ -51,7 +51,7 @@
 	position: absolute;
 	width: 100%;
 	padding: 0.05rem 1.2rem .5rem;
-	background-image: url('assets/img/IndexScene/index_bg.png');
+	background-image: url('assets/img/IndexScene/sharkpark_Indexbg.png');
 	background-size: cover;
 	background-repeat: no-repeat;