不能选日期的Bug

src/views/positionAnalysis_manage/detail.vue

@@ -102,6 +102,7 @@ export default {
     handleOpt(type){
         let obj={}
         if(type==='date'){
+            this.selectDate = this.$refs.chartDetailRef.selectDate
             obj={
                 opt:type,
                 val:this.selectDate