英文版本配置，部分报错问题修复

pages/home-page/earnings/index.vue

@@ -97,7 +97,7 @@
 
 						</view>
 						<view class="title">
-							{{ this.$t('homePage.earning.chargeVol') }}
+							{{ $t('homePage.earning.chargeVol') }}
 						</view>
 						<view class="value">
 							{{ totalData.totalCharge | isNull }}
@@ -111,7 +111,7 @@
 
 						</view>
 						<view class="title">
-							{{ this.$t('homePage.earning.dischargeVol') }}
+							{{ $t('homePage.earning.dischargeVol') }}
 						</view>
 						<view class="value">
 							{{ totalData.totalDischarge | isNull }}
@@ -198,7 +198,7 @@
 
 				<view class="power-report" v-if="chargeArr.length">
 					<view class="title">
-						{{this.$t('homePage.earning.charge')}}
+						{{$t('homePage.earning.charge')}}
 					</view>
 					<view v-for="(item, index) in chargeArr" :key="index">
 						<view class="value-box">
@@ -234,7 +234,7 @@
 
 				<view class="power-report" v-if="dischargeArr.length">
 					<view class="title">
-						{{this.$t('homePage.earning.disCharge')}}
+						{{$t('homePage.earning.disCharge')}}
 					</view>
 					<view v-for="(item, index) in dischargeArr" :key="index">
 						<view class="value-box">