合约买卖完后需要清除数据

src/views/contract/exchange-store.vue

@@ -669,6 +669,8 @@ export default {
         this.contractAccount();
         this.buyform.amount = 0;
         this.sellform.amount = 0;
+		this.marginBuy = 0;
+		this.marginSell = 0;
         this.$message.success(this.$t("contract.f5"));
         this.$emit("position");
       });