fix: 商品添加字段缺失

src/views/business/goods/add.vue

@@ -137,7 +137,7 @@ export default {
           { pattern: /^([1-9]\d*)$/, message: "请输入正确的数字", trigger: ["blur", "change"] }
         ],
         cost: [
-          { required: true, message: '请输入成本', trigger: 'blur' },
+          { required: false, message: '请输入成本', trigger: 'blur' },
           { pattern: /^([1-9]\d*(\.\d{1,2})?|([0](\.([0][1-9]|[1-9]\d{0,1}))))$/, message: "请输入正确的金额，最多两位小数", trigger: ["blur", "change"] }
         ],
         quantity: [
@@ -195,6 +195,7 @@ export default {
           addGoods({...rest, ...{
             value: accMul(value, 100),
             cost: accMul(cost, 100),
+            exchangePrice: accMul(value, 100),
             description: encodeURI(description)
           }}).then(res => {
             if (res.code === 0) {