update: 搜索栏更新

src/components/app-searchbar/app-searchbar.vue

 <template>
     <div class="app-searchbar">
-        <div class="app-searchbar-group" v-for="(item,index) in condItems">
+        <div class="app-searchbar-group" v-for="(item,index) in items">
             <el-select size="small" class="app-searchbar-field app-searchbar-item" v-model="item.field" clearable :placeholder="$t('components.filterTree.placeholder')">
                 <el-option
                     v-for="field in fieldItems"
@@ -16,7 +16,7 @@
                     <slot :data="item"></slot>
                 </div>
                 <div class="app-searchbar-action">
-                    <img v-if="index === condItems.length - 1" src="assets/img/ic_add_circle.svg" @click="onAddItem()">
+                    <img v-if="index === items.length - 1" src="assets/img/ic_add_circle.svg" @click="onAddItem()">
                     <img v-else src="assets/img/remove_circle.svg" @click="onRemoveItem(index)">
                 </div>
             </div>
@@ -51,20 +51,6 @@ export default class AppSearchbar extends Vue {
      */
     @Prop() fields: any;
 
-    @Watch("items", {immediate: true})
-    onItemsChange(newItems: any[]) {
-        this.condItems = [];
-        if (newItems && newItems.length > 0) {
-            this.condItems.push(...newItems);
-        } else {
-            this.condItems.push({
-                field: null,
-                mode: null,
-                editor: null
-            });
-        }
-    }
-
     /**
      * 属性项集合
      *
@@ -73,14 +59,6 @@ export default class AppSearchbar extends Vue {
      */
     protected fieldItems: any[] = [];
 
-    /**
-     * 条件项集合
-     *
-     * @type {*}
-     * @memberof AppSearchbar
-     */
-    protected condItems: any[] = [];
-
     /**
      * 生命周期
      *
@@ -91,6 +69,13 @@ export default class AppSearchbar extends Vue {
         if(!this.fields) {
             return;
         }
+        if (this.items.length == 0) {
+            this.items.push({
+                field: null,
+                mode: null,
+                editor: null
+            })
+        }
         this.fields.forEach((field: any) => {
             let index: number = this.fieldItems.findIndex((item: any) => Object.is(item.value, field.prop));
             if(index < 0) {