The start of the document was reparsed, because there were non-ASCII characters before the meta tag that declared the encoding. The meta should be the first child of head without non-ASCII comments before.
文档的开头被重新解析，因为在声明编码的 <meta> 标签之前有非 ASCII 字符。<meta> 应当是 <head> 的首个前无非 ASCII 字符注释的子标签。