修复高度问题

src/views/DeviceConfig.vue

@@ -249,7 +249,6 @@ onMounted(() => window.addEventListener('resize', onResize))
         <a-alert
             v-else
             class="conn-alert"
-            description="请先连接蓝牙设备以进行配置"
             message="未连接设备"
             show-icon
             type="warning"
@@ -684,6 +683,12 @@ onMounted(() => window.addEventListener('resize', onResize))
 .conn-alert {
   margin-bottom: 8px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+
+  :deep(.ant-btn-default:disabled) {
+    color: rgba(255, 255, 255, 0.45);
+    border-color: rgba(255, 255, 255, 0.15);
+    background: rgba(255, 255, 255, 0.08);
+  }
 }
 
 .config-card {