style：设备总览-刷新按钮

src/pages_function/pages/overview/device/list.vue

@@ -15,8 +15,8 @@
           @confirm="handleSearch"
         />
       </view>
-      <view class="icon-btn" @click="resetSearch">
+      <view class="icon-filter-btn" @click="resetFilters">
-        <uni-icons type="refresh" size="23" color="#64748b"></uni-icons>
+        <uni-icons type="refresh" size="24" color="#7b8491"></uni-icons>
       </view>
     </view>
 
@@ -204,9 +204,10 @@ function handleSearch() {
   applyFilters(true)
 }
 
-function resetSearch() {
+async function resetFilters() {
+  if (searchTimer) clearTimeout(searchTimer)
   keyword.value = ''
-  applyFilters(true)
+  await fetchDevices(true)
 }
 
 function onScroll(e) {
@@ -329,14 +330,16 @@ function formatDateTime(value) {
   box-sizing: border-box;
 }
 
-.icon-btn {
+.icon-filter-btn {
-  width: 68rpx;
+  width: 66rpx;
-  height: 68rpx;
+  height: 66rpx;
-  border-radius: 8rpx;
+  flex: 0 0 66rpx;
-  background: #ffffff;
   display: flex;
   align-items: center;
   justify-content: center;
+  border: 1rpx solid transparent;
+  background: transparent;
+  box-sizing: border-box;
 }
 
 .list-scroll {