Behaving exceptionally in template syntax containing curly braces

[gitlilimin]

source:

<table border="1">
  <thead>
    <tr>
      <th>th1</th>
      <th>th2</th>
    </tr>
  </thead>
  <tbody>
    {volist name="saixiang_list" id="item"}
    <tr>
      <td>{if $item.is_checked}√{/if}</td>
      {$item.table_html|raw}
    </tr>
    {/volist}
  </tbody>
</table>

useage:

const $ = cheerio.load(htmlContent)
console.log($.html())

output:

{volist name="saixiang_list" id="item"}
	
		{$item.table_html|raw}
	
	{/volist}
<table border="1">
<thead>
	<tr>
		<th>th1</th>
                <th>th2</th>
	</tr>
</thead>
<tbody><tr>
		<td>{if $item.is_checked}√{/if}</td></tr></tbody>
</table>