fix: #2009

src/views/market/spot_trade/spot_trade_order_transaction/components/buy-sell-market/index.vue

@@ -15,7 +15,7 @@
           <!-- 最新价 -->
           <div
                :class="['firstNum', 'start', handleQuotePriceColor(selectedRow.last, selectedRow.presettle)]">
-            {{ selectedRow.last }}</div>
+            {{ handleNoneValue(selectedRow.last) }}</div>
           <div class="lastNum start">
             <!-- 涨跌值 -->
             <div :class="handleQuotePriceColor(selectedRow.last, selectedRow.presettle)">