improve UIUX

README.md

@@ -422,4 +422,20 @@ watch(loading, (load) => {
   load ? spinner.value?.open() : spinner.value?.close();
 });
 </script>
-```
+```
+
+
+### 关于 tooltip
+
+kuc 没有实现插槽，所以应该当成一个普通组件使用：
+
+```vue
+<template>
+    <button ref="buyButton">购买</button>
+    <kuc-tooltip title="点击购买" :container="buyButton"></kuc-tooltip>
+</template>
+
+<script setup lang="ts">
+const buyButton = shallowRef<HTMLButtonElement | null>(null);
+</script>
+```