修复底部按钮组件报错问题，修复限制折扣未导入onShow方法问题

components/my-components/my-footer-btn.vue

@@ -24,7 +24,7 @@
 </template>
 
 <script setup>
-import { ref, onMounted, nextTick, getCurrentInstance } from "vue";
+import { ref, onMounted, nextTick, getCurrentInstance ,computed} from "vue";
 import { isMainShop } from "@/store/account.js";
 
 const props = defineProps({

pageChat/chat.vue

@@ -120,7 +120,7 @@
         <view
           v-for="(item, index) in moreBtns"
           @click="moreBtnsClick(item, index)"
-          class="u-flex-col u-row-cemter u-col-center"
+          class="u-flex-col u-row-center u-col-center"
         >
           <view class="u-flex icon">
             <image :src="item.icon" class="img" mode="aspectFill"></image>

pageRecharge/index.vue

@@ -82,6 +82,7 @@
 
 <script setup>
 import { computed, reactive, ref } from 'vue';
+import {onShow} from '@dcloudio/uni-app'
 import myTabs from '@/components/my-components/my-tabs.vue';
 import myIcons from '@/components/my-components/my-icons.vue';
 import mySwitch from '@/components/my-components/my-switch.vue';