fix(code): 修正代码错误及不严谨的地方

pages_tool/member/balance_detail.vue

@@ -27,7 +27,7 @@
 				<!-- 明细列表 -->
 				<block v-if="dataList.length > 0">
 					<view class="detailed-wrap">
-						<view class="balances" v-for="(item, index) in dataList" :key="index">
+						<view class="balances" v-for="(item, index) in dataList" :key="item.balance_id || index">
 							<image :src="$util.img('public/uniapp/balance/recharge.png')" class="balances-img" v-if="item.account_data > 0"></image>
 							<image v-else :src="$util.img('public/uniapp/balance/shopping.png')" mode="widthFix"></image>
 							<view class="balances-info" @click="toFromDetail(item)">