fix: timepicker add default visibelcount

components/meetingTimePicker/meetingTimePicker.js

@@ -11,7 +11,7 @@ function padZero(val) {
 // 生成分钟 每隔五分钟
 function generateMin(max) {
   const time = [];
-  for (let i = 0; i < max; i+=5) {
+  for (let i = 0; i < max; i += 5) {
     time.push(padZero(i))
   }
   return time;
@@ -167,6 +167,7 @@ Component({
     endDurationPostTime: ''
   },
   props: {
+    visibleItemCount: 3
   },
   didMount() {
     this.setInitialValue();