第二十章：补习 (第2/2页)
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<span class=leading-1.3 text-2xl text-green-successWorking</span
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<div id=cf-host-status class=cf-error-source relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center
<div class=relative mb-10 md:m-0
<span class=cf-icon-server block md:hidden h-20 bg-center bg-no-repeat</span
<span class=cf-icon-error w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4</span
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<span class=md:block w-full truncatewww.dingdianxs.org</span
<h3 class=md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3
Host
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<span class=leading-1.3 text-2xl text-red-errorError</span
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<div class=w-240 lg:w-full mx-auto mb-8 lg:px-8
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<div class=w-1/2 md:w-full float-left pr-6 md:pb-10 md:pr-0 leading-relaxed
<h2 class=text-3xl font-normal leading-1.3 mb-4What happened?</h2
<pThere is an unknown connection issue between Cloudflare and the origin web server. As a result, the web page can not be displayed.</p
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<div class=w-1/2 md:w-full float-left leading-relaxed
<h2 class=text-3xl font-normal leading-1.3 mb-4What can I do?</h2
<h3 class=text-15 font-semibold mb-2If you are a visitor of this website:</h3
<p class=mb-6Please try again in a few minutes.</p
<h3 class=text-15 font-semibold mb-2If you are the owner of this website:</h3
<p<spanThere is an issue between Cloudflare's cache and your origin web server. Cloudflare monitors for these errors and automatically investigates the cause. To help support the investigation, you can pull the corresponding error log from your web server and submit it our support team. Please include the Ray ID (which is at the bottom of this error page).</span <a rel=noopener noreferrer href=https://support.cloudflare.com/hc/en-us/articles/200171936-Error-520Additional troubleshooting resources</a.</p
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<div class=cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300
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<span class=cf-footer-item sm:block sm:mb-1Cloudflare Ray ID: <strong class=font-semibold92ce0cb3df003233</strong</span
<span class=cf-footer-separator sm:hidden•</span
<span id=cf-footer-item-ip class=cf-footer-item hidden sm:block sm:mb-1
Your IP:
<button type=button id=cf-footer-ip-reveal class=cf-footer-ip-reveal-btnClick to reveal</button
<span class=hidden id=cf-footer-ip45.136.118.7</span
<span class=cf-footer-separator sm:hidden•</span
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<span class=cf-footer-item sm:block sm:mb-1<spanPerformance & security by</span <a rel=noopener noreferrer href=https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_520&utm_campaign=www.dingdianxs.org id=brand_link target=_blankCloudflare</a</span
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<script(function(){function d(){var b=a.getElementById(cf-footer-item-ip),c=a.getElementById(cf-footer-ip-reveal);b&&classListin b&&(b.classList.remove(hidden),c.addEventListener(click,function(){c.classList.add(hidden);a.getElementById(cf-footer-ip).classList.remove(hidden)}))}var a=document;document.addEventListener&&a.addEventListener(DOMContentLoaded,d)})();</script
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