fix：解决asset。tableTitle 删除后的影响

nezha-fronted/src/components/common/pickTime.vue

@@ -9,6 +9,7 @@
         <span class="nz-btn nz-btn-text" ><slot name="added-text"></slot></span>
       </button>
       <button id="browser-go" class="top-tool-btn top-tool-btn--dropdown" @mouseenter="dropdownHandler(true)" @mouseleave="dropdownHandler(false)">
+        <span class="select-refresh-time" v-if="interval !== -1">{{interLabel}}</span>
         <i class="nz-icon nz-icon-arrow-down" style="font-size: 12px;"></i>
         <transition name="el-zoom-in-top">
           <ul v-show="dropdownShow" class="el-dropdown-menu el-popper el-dropdown-menu--mini nz-dropdown">
@@ -85,7 +86,8 @@ export default {
       intervalTimer: null,
       interval: -1,
       unit: 2,
-      dropdownShow: false
+      dropdownShow: false,
+      interLabel: ''
     }
   },
   created () {
@@ -96,6 +98,7 @@ export default {
     selectInterval (val) {
       this.visible = false
       this.interval = val.value
+      this.interLabel = val.value
       console.info(this.interval, val)
       if (!this.showTimePicker && val && val.value != -1) {
         this.intervalTimer = setInterval(() => {