fix(金币代理中心): 修复报错

src/views/RechargeAgency/index.vue

@@ -354,25 +354,27 @@ const checkingAccess = ref(true)
 const coinsAmount = ref('0')
 const loadingBalance = ref(false)
 
+const freightThreshold = ref(null)
+
 const AmountList = computed(() => {
   return [
     {
       id: 1,
       type: '>$0',
       value: 0,
-      selectedStatus: freightThreshold.value.deliveryThreshold == 0,
+      selectedStatus: freightThreshold.value?.deliveryThreshold == 0,
     },
     {
       id: 2,
       type: '>=$10',
       value: 10,
-      selectedStatus: freightThreshold.value.deliveryThreshold == 10,
+      selectedStatus: freightThreshold.value?.deliveryThreshold == 10,
     },
     {
       id: 3,
       type: '>=$50',
       value: 50,
-      selectedStatus: freightThreshold.value.deliveryThreshold == 50,
+      selectedStatus: freightThreshold.value?.deliveryThreshold == 50,
     },
   ]
 })
@@ -381,8 +383,6 @@ const selectedAmount = ref({})
 // 是否可以设置
 const isAbleSelect = ref(false)
 
-const freightThreshold = ref(null)
-
 // 选项样式
 const amountStyle = (amountItem) => {
   if (amountItem.selectedStatus) {