BOOL isIOS10OrGreater = [[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion){.majorVersion = 10}];
    if (isIOS10OrGreater) {
      [_textStorage enumerateAttribute:NSFontAttributeName inRange:NSMakeRange(0, _textStorage.length) options:0 usingBlock:^(id  _Nullable value, NSRange range, BOOL * _Nonnull stop) {
        UIFont *font = (UIFont *)value;
        if ([font.fontName isEqualToString:@".AppleColorEmojiUI"]) {
          [_textStorage addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"AppleColorEmoji" size:font.pointSize] range:range];
        }
      }];
    }