我用webview加载微信公众号链接，按照下面的方式去实现，最后链接都加载不了，是哪里写的有问题吗

[zhoufanGithub]

 mWebView!!.webViewClient = object : WebViewClient() {
        override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
            view.loadUrl(url)
            return true
        }

        override fun shouldInterceptRequest(view: WebView, request: WebResourceRequest): WebResourceResponse? {
            return super.shouldInterceptRequest(view, request)
        }

        override fun shouldInterceptRequest(view: WebView, url: String): WebResourceResponse? {
            if (url.startsWith("https://mp.weixin.qq.com/s")) {
                val res = replaceCss(url, view.context)
                val input: InputStream = ByteArrayInputStream(res.toByteArray())
                return WebResourceResponse("text/html", "utf-8", input)
            }
            return super.shouldInterceptRequest(view, url)
        }


    }
}

private val rex = "(<style>)([\\S ]*)(</style>)"
private fun replaceCss(url: String, context: Context): String {
    val pattern = Pattern.compile(rex)
    val m = pattern.matcher(url)
    if (m.find()) {
        try {
            val css = getString(context.assets.open("weixin/weixin.css"))
            val sb = StringBuilder()
            sb.append(m.group(1))
            sb.append(css)
            sb.append(m.group(3))
            return url.replace(rex.toRegex(), sb.toString())
        } catch (e: IOException) {
            e.printStackTrace()
        }
    }
    return url
}