fix(code): 修正代码错误及不严谨的地方

components/diy-components/diy-goods-brand.vue

@@ -5,7 +5,7 @@
 				<view class="title-wrap" v-show="value.title" :style="{ color: value.textColor, fontWeight: value.fontWeight ? 'bold' : '' }">{{ value.title }}
 				</view>
 				<view class="ul-wrap">
-					<view class="li-item" v-for="(item, index) in list" :key="index">
+					<view class="li-item" v-for="(item, index) in list" :key="item.brand_id || index">
 						<image class="brand-pic" :src="$util.img(item.image_url)" mode="aspectFit" @click="handlerClick(item)" @tap="handlerClick(item)" @error="imgError(index)" :style="itemCss"/>
 					</view>
 				</view>