style：管理-页面返回顶部按钮逻辑修改

src/pages/work.vue

@@ -10,15 +10,8 @@
         <view class="search-icon">
           <text class="iconfont icon-search"></text>
         </view>
-        <input 
+        <input v-model="menuSearchKeyword" class="search-input" type="text" placeholder="搜索菜单"
-          v-model="menuSearchKeyword" 
+          placeholder-class="input-placeholder" @input="handleMenuSearch" @confirm="handleMenuSearch" />
-          class="search-input" 
-          type="text" 
-          placeholder="搜索菜单"
-          placeholder-class="input-placeholder"
-          @input="handleMenuSearch"
-          @confirm="handleMenuSearch"
-        />
         <view v-if="menuSearchKeyword" class="clear-btn" @click="clearMenuSearch">
           <text class="clear-icon">×</text>
         </view>
@@ -346,7 +339,10 @@ const scrollTop = ref(0);
 const menuSearchKeyword = ref('');
 
 function goTop() {
-  scrollTop.value = scrollTop.value === 0 ? 0.1 : 0;
+  uni.pageScrollTo({
+    scrollTop: 0,
+    duration: 300
+  })
 }
 
 function handleMenuSearch() {