修改

src/pages/map/map.vue

 <template>
 	<view class="main" v-if="apartments">
 		<view class="box1">
-			<view class="btxt">贵阳公积金中心地图</view>
+			<view class="btxt"><view class="backToMain" @click="goToIndex"><span class="iconfont icon-jiantouzuo"></span></view>贵阳公积金中心地图</view>
 			<view class="stxt">您可拨打以下几个管理部门电话咨询公积金业务</view>
 		</view>
 		<view class="box2 inner">
@@ -49,6 +49,13 @@
 	const apartments = computed(() => {
 		return mapStore.mapList || []
 	})
+	const goToIndex = () => {
+		xma.navigateTo({
+			url: "/pages/index/index",
+			animationType: 'pop-in',
+			animationDuration: 200
+		})
+	}
 </script>
 
 <style scoped>
@@ -146,4 +153,6 @@
 	.map3 span {
 		color: #ff7902
 	}
+	.backToMain{display: inline-block;-webkit-tap-highlight-color: rgba(0,0,0,0);}
+	.backToMain .icon-jiantouzuo{color: #898989;font-size:20px;font-weight: bold;margin-right:7px;}
 </style>
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