diff --git a/pages/activity/presale.vue b/pages/activity/presale.vue
index 70d6c89..55fc566 100644
--- a/pages/activity/presale.vue
+++ b/pages/activity/presale.vue
@@ -128,7 +128,7 @@
 
 <style lang="scss" scoped>
 	.presale {
-		background: #ff7b79 url(https://www.royaum.com.cn/static/news/newPresale-bg.jpg) center top no-repeat;
+		background: #ff7b79 url(https://www.royaum.com.cn/static/news/newPresale-bg.png) center top no-repeat;
 		background-size: 100% auto;
 		overflow: hidden;
 		min-height: 100vh;
diff --git a/pages/index/index.vue b/pages/index/index.vue
index fecab11..b5d0728 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -72,7 +72,7 @@
 					</view>
 				</view>
 				<view class="firstContent" @click="goNewUser">
-					<image :src="$picUrl+'/static/index/new.png'" class="firstBg"></image>
+					<image :src="$picUrl+'/static/index/new.png?t=1'" class="firstBg"></image>
 					<view class="firstInfo">
 						<view class="fTitle">
 							<image :src="$picUrl+'/static/index/xinren.png'" class="firstTitle"></image>
@@ -177,7 +177,7 @@
 				</view>
 				<view class="activity">
 					<view class="left" @click="goNews">
-						<image :src="$picUrl+'/static/index/activity.png'" mode="widthFix"></image>
+						<image :src="$picUrl+'/static/index/activity.png?t=2'" mode="widthFix"></image>
 					</view>
 					<view class="right">
 						<!-- <view class="rightContent"> -->
@@ -484,31 +484,31 @@
 				tabCurrent: 0,
 				swiperList: [`${this.$picUrl}/static/index/guanggao.png`],
 				gridList: [{
-						image: `${this.$picUrl}/static/index/g1.png`,
+						image: `${this.$picUrl}/static/index/g1.png?n=1`,
 						text: "预售专区",
 						path: '/pages/activity/presale',
 						type: 2
 					},
 					{
-						image: `${this.$picUrl}/static/index/g2.png`,
+						image: `${this.$picUrl}/static/index/g2.png?n=1`,
 						text: "邀请有礼",
 						path: '/pages/invite/index',
 						type: 1
 					},
 					{
-						image: `${this.$picUrl}/static/index/g3.png`,
+						image: `${this.$picUrl}/static/index/g3.png?n=1`,
 						text: "领券中心",
 						path: '/pages/news/coupon/index',
 						type: 2
 					},
 					{
-						image: `${this.$picUrl}/static/index/g4.png`,
+						image: `${this.$picUrl}/static/index/g4.png?n=1`,
 						text: "安装报修",
 						path: '/pages/serve/index',
 						type: 3
 					},
 					{
-						image: `${this.$picUrl}/static/index/g5.png`,
+						image: `${this.$picUrl}/static/index/g5.png?n=1`,
 						text: "上门回收",
 						path: '/pages/news/recycling/index',
 						type: 2