feat(breadcrumb): 修复面包屑组件

src/module/breadcrumb/index.vue

@@ -5,7 +5,7 @@
 </template>
 
 <script setup name="LayBreadcrumb" lang="ts">
-import { defineProps, provide, withDefaults, useSlots, ref, Ref } from 'vue'
+import { defineProps, provide, withDefaults } from 'vue'
 
 const props = withDefaults(
   defineProps<{

src/module/breadcrumbItem/index.vue

@@ -1,14 +1,24 @@
 <template>
-  <a href>{{ title }}</a>
+  <a href="javascript:void(0);">
+    <template v-if="slot.default">
+      <slot></slot>
+    </template>
+    <template v-else>
+      {{ title }}
+    </template>
+  </a>
   <span lay-separator>{{ separator }}</span>
 </template>
 
 <script setup name="LayBreadcrumbItem" lang="ts">
-import { defineProps, inject } from 'vue'
+import { defineProps, inject, useSlots } from 'vue'
 
-const props = defineProps<{
-  title: string
-}>()
+const slot = useSlots()
+
+const props =
+  defineProps<{
+    title: string
+  }>()
 
 const separator = inject('separator')
 </script>