diff --git a/assets/img/bg/bg5.png b/assets/img/bg/bg5.png
new file mode 100644
index 0000000..7be078a
Binary files /dev/null and b/assets/img/bg/bg5.png differ
diff --git a/assets/img/bg/bg6.png b/assets/img/bg/bg6.png
new file mode 100644
index 0000000..7cf2ba7
Binary files /dev/null and b/assets/img/bg/bg6.png differ
diff --git a/assets/img/bg/bg7.png b/assets/img/bg/bg7.png
new file mode 100644
index 0000000..113a042
Binary files /dev/null and b/assets/img/bg/bg7.png differ
diff --git a/pages/base/home.vue b/pages/base/home.vue
index 5d4baa7..eeff99b 100644
--- a/pages/base/home.vue
+++ b/pages/base/home.vue
@@ -236,7 +236,7 @@
 			<view class="btn-group1-box" v-if="isLogin">
 				<view class="d-flex">
 					<view class="txt">{{$t("tzcoins3.a0")}}</view>
-					<image src="../../assets/img/bg/bg3.png" mode=""></image>
+					<image src="../../assets/img/bg/bg7.png" mode=""></image>
 				</view>
 				<view class="d-flex btn-group1">
 					<!-- <view>{{$t("ybgcoins3.a1")}}</view> -->
@@ -247,7 +247,7 @@
 			<view class="btn-group1-box" v-else>
 				<view class="d-flex">
 					<view class="txt">{{$t("tzcoins3.a3")}}</view>
-					<image src="../../assets/img/bg/bg3.png" mode=""></image>
+					<image src="../../assets/img/bg/bg5.png" mode=""></image>
 				</view>
 				<view class="d-flex btn-group1">
 					<navigator url="/pages/login/index">{{$t("exchange.d0")}}</navigator>
@@ -259,7 +259,7 @@
 					<view>{{$t("tzcoins3.a4")}}</view>
 					<view class="main-txt">{{$t("tzcoins3.a5")}}</view>
 				</view>
-				<image src="../../assets/img/bg/bg3.png" mode=""></image>
+				<image src="../../assets/img/bg/bg6.png" mode=""></image>
 			</view>
 			<!-- log in and register -->
 			<!-- <div class="log-group d-flex">