message: added mobile check on the focus after blur event
diff: import * as React from 'react';
  import { useState, useRef, useEffect, useMemo } from 'react';
  import KeyCode from 'rc-util/lib/KeyCode';
  +import isMobile from 'rc-util/lib/isMobile';
  import classNames from 'classnames';
  import useMergedState from 'rc-util/lib/hooks/useMergedState';
  import type { ScrollTo } from 'rc-virtual-list/lib/List';
  @@ -368,12 +369,19 @@ export default function generateSelector<
  const mergedShowSearch =
  showSearch !== undefined ? showSearch : isMultiple || mode === 'combobox';
  + // ======================== Mobile ========================
  + const [mobile, setMobile] = useState(false);
  + useEffect(() => {
  + // Only update on the client side
  + setMobile(isMobile());
  + }, []);
  +
  // ============================== Ref ===============================
  const selectorDomRef = useRef<HTMLDivElement>(null);
  React.useImperativeHandle(ref, () => ({
  - focus: selectorRef.current.focus,
  - blur: selectorRef.current.blur,
  + focus: selectorRef.current?.focus,
  + blur: selectorRef.current?.blur,
  scrollTo: listRef.current?.scrollTo as ScrollTo,
  }));
  @@ -885,8 +893,8 @@ export default function generateSelector<
  cancelSetMockFocused();
  - if (!popupElement.contains(document.activeElement)) {
  - selectorRef.current.focus();
  + if (!mobile && !popupElement.contains(document.activeElement)) {
  + selectorRef.current?.focus();
  }
  });
  