fix(select-option-collector): avoid depdency loops

packages/base/SelectMenu/src/SelectOptionCollector.vue

@@ -31,7 +31,8 @@ export default {
     return {
       options: [],
       isDestroying: false,
-      isMounting: true
+      isMounting: true,
+      isUpdatingOptions: false
     }
   },
   computed: {
@@ -53,6 +54,14 @@ export default {
     this.isMounting = false
     this.collectOptions()
   },
+  updated () {
+    if (!this.isUpdatingOptions) {
+      this.isUpdatingOptions = true
+      this.collectOptions()
+    } else {
+      this.isUpdatingOptions = false
+    }
+  },
   beforeDestroy () {
     this.isDestroying = true
   },

packages/common/AutoComplete/src/main.vue

@@ -22,6 +22,7 @@
           <n-base-select-menu
             v-if="active"
             ref="contentInner"
+            auto-pending-first-option
             class="n-select-menu"
             :theme="synthesizedTheme"
             :pattern="value"