fix: 优惠券数量验证

src/views/business/coupon/add.vue

@@ -123,7 +123,7 @@ export default {
         type: [{ required: true, message: '请输入券类型', trigger: 'blur' }],
         quantity: [
           { required: true, message: '请输入券发放数量', trigger: 'blur' },
-          { min: 0, message: '请输入正确的数量', trigger: 'blur' }
+          { pattern: /^([1-9]\d*)$/, message: "请输入正确的数量", trigger: ["blur", "change"] }
         ],
         discount: [
           { required: true, message: '请输入券面值', trigger: 'blur' },