Vue drop-down refresh problem

uses the drop-down refresh of the better-scroll plug-in, but there is a problem, that is, when I drop down, I can"t pull it down in a certain position, so it gets stuck and doesn"t go back to the top.

clipboard.png
in html

<scroll
        class="scroll"
        :pullup="true" 
        :data="data"
        @scrollToEnd="loadMore"> 

in methods

loadMore() {    //
      if (!this.hasMoreFlag) {
        return
      }
      if (timer) {
        return;
      }
      timer = setTimeout(() => {
        this._getData();
      }, 5);
    },

how to solve this problem?

Feb.24,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e46d31-44425.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e46d31-44425.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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