fix: add duration innitial end time

components/meetingTimePicker/meetingTimePicker.js

@@ -156,7 +156,8 @@ Component({
       label: '2小时',
     },
     startPostTime: '',
-    endPostTime: ''
+    endPostTime: '',
+    endDurationPostTime: ''
   },
   props: {
   },
@@ -220,6 +221,7 @@ Component({
     },
     changeDuration(startDate, durationData, pickValue) {
       this.setData({
+        endDurationPostTime: getEndTimeByDuration(startDate, durationData.value),
         duration: {
           label: durationData.label,
           showTime: getDurationShowTime(startDate, durationData.value),