✨(component): 新增 pageHeader 组件 backIcon 属性, 修复 select 组件 label 为 null 时的搜索问题

package/component/src/component/pageHeader/index.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="lay-page-header">
     <div class="lay-page-header__left" @click="emits('back')">
-      <i class="layui-icon layui-icon-return"></i>
+      <i class="layui-icon" :class="[ backIcon ]"></i>
       <div class="lay-page-header__title">{{ backText }}</div>
     </div>
     <div class="lay-page-header__content">
@@ -23,10 +23,12 @@ import "./index.less";
 export interface PageHeaderProps {
   content?: string;
   backText?: string;
+  backIcon?: string;
 }
 const props = withDefaults(defineProps<PageHeaderProps>(), {
   content: "",
   backText: "返回",
+  backIcon: "layui-icon-return"
 });
 
 const emits = defineEmits(["back"]);

package/component/src/component/selectOption/index.vue

@@ -12,8 +12,7 @@ import {
   inject,
   WritableComputedRef,
   Ref,
-  onMounted,
-  useSlots,
+  onMounted
 } from "vue";
 
 export interface SelectOptionProps {
@@ -67,8 +66,8 @@ const select = () => {
 
 const display = computed(() => {
   return (
-    props.keyword.toString().indexOf(searchValue.value) > -1 ||
-    props.label.toString().indexOf(searchValue.value) > -1
+    props.keyword?.toString().indexOf(searchValue.value) > -1 ||
+    props.label?.toString().indexOf(searchValue.value) > -1
   );
 });