优化积分兑换详情页控制台报错问题

packages/jfShop/detail/index.vue

@@ -43,7 +43,7 @@
                 <text class="points-label">当前积分{{ userPoints }}</text>
             </view>
             <view v-if="userPoints < selectedGoodsInfo.points" class="insufficient-points">
-                <text v-if="!uni.getStorageSync('ctoken')" >暂未登录,请先登录</text>
+                <text v-if="!isLoggedIn" >暂未登录,请先登录</text>
                 <text v-else>积分不足，还差{{ selectedGoodsInfo.points - userPoints }}积分哦</text>
             </view>
             <button v-else class="exchange-btn" @click="showSpecPopup = true">立即兑换</button>
@@ -112,7 +112,8 @@ export default {
             selectedSpecId: 1,
             selectedSpec: '',
             quantity: 1,
-            selectedGoodsInfo: {}
+            selectedGoodsInfo: {},
+            isLoggedIn: false
         };
     },
     computed: {
@@ -182,9 +183,13 @@ export default {
     },
     onshow() {
         this.getPointNum();
+        // 更新登录状态
+        this.isLoggedIn = !!uni.getStorageSync("ctoken");
     },
     onLoad(options) {
         this.getPointNum();
+        // 初始化登录状态
+        this.isLoggedIn = !!uni.getStorageSync("ctoken");
         const orderInfo = JSON.parse(options.product);
         const params = {
             id: orderInfo.id