fix: 修复asset label 下拉框,当前选项删除后无占位字段

nezha-fronted/src/components/common/rightBox/alertRuleBox.vue

@@ -395,11 +395,11 @@ export default {
     selectAlertRuleMetric (val) {
       if (val === 'Metrics') {
         this.MetricsType = 1 // type = 1
-        this.showSnmpTrap = true // showSnmptrap 为 true 时显示 expr,thershold,unit
+        this.showSnmpTrap = true // showSnmptrap 为 true 时显示 expr,threshold,unit
         this.$refs.alertRuleForm.clearValidate('expr') // 移除from表单的 expr 验证
       } else if (val === 'Logs') {
         this.showMetrics = false // showMetrics 为 false 时,展示 Logs label
-        this.showSnmpTrap = true // showSnmptrap 为 true 时显示 expr,thershold,unit
+        this.showSnmpTrap = true // showSnmptrap 为 true 时显示 expr,threshold,unit
         this.MetricsType = 2 // type = 2
         this.$refs.alertRuleForm.clearValidate('expr') // 移除from表单的 expr 验证
       } else if (val === 'SNMP trap') {

nezha-fronted/src/components/page/config/assetMeta.vue

@@ -223,7 +223,11 @@ export default {
             this.getGroup()
 
             if (selectKey === group.id) {
-              this.showGroup = -1
+              this.showGroup = {
+                name: this.$t('config.assetLabel.all'),
+                id: -1,
+                children: []
+              }
               this.searchLabel.groupIds = ''
               this.getTableData()
               this.$refs.selectGroup.$refs.tree.setCurrentKey(this.showGroup)