refactor(页面): 优化图片源逻辑并使用Vuex状态管理

将图片源从直接使用`config_new_image`改为优先使用`config_new_image`，若不存在则使用`configList.config_new_image`。同时引入`mapState`从Vuex中获取`configList`，简化状态管理逻辑。

pages/index/index.vue

@@ -39,7 +39,7 @@
 				
 				<view class="image-box"
 				@click="$utils.navigateTo('/pages_order/service/newsList')">
-					<image :src="config_new_image"
+					<image :src="config_new_image || configList.config_new_image"
 					class="image" mode="aspectFill"></image>
 					
 					<view class="image-text">
@@ -82,7 +82,11 @@
 	import PrivacyAgreementPoup from '@/components/config/PrivacyAgreementPoup.vue'
 	import scenicSpot from '@/components/list/scenicSpot.vue'
 	import newsItem from '@/components/list/newsItem.vue'
+	import { mapState } from 'vuex'
 	export default {
+		computed: {
+			...mapState(['configList']),
+		},
 		components : {
 			PrivacyAgreementPoup,
 			scenicSpot,
@@ -169,8 +173,6 @@
 				this.config_new_image = state.configList.config_new_image
 			})
 		},
-		computed : {
-		},
 		onPullDownRefresh(){
 			this.$refs.videoList.queryVideoList()
 			this.queryBannerList()