【修复】修复售后判断金额异常的问题。

CoreCms.Net.Uni-App/CoreShop/pages/member/afterSales/submit/submit.vue

@@ -354,7 +354,7 @@
                 this.submitStatus = true;
 
                 //判断退款金额
-                if (this.$u.test.amount(this.refund)) {
+                if (!this.$u.test.amount(this.refund)) {
                     this.$u.toast('请输入正确金额');
                     this.submitStatus = false;
                     return false;