<p data-mpa-powered-by="yiban.io" style="visibility: visible;"><span style="font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; visibility: visible;">此功能為 CDP Private Cloud Base 提供了使用多個(gè)備用名稱節(jié)點(diǎn)的能力。</span></p><section data-mpa-template="t" mpa-from-tpl="t" style="visibility: visible;"><h2 mpa-is-content="t" style="margin: 5px; padding-right: 10px; padding-left: 10px; font-weight: bold; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; text-align: justify; white-space: normal; widows: 1; border-left: 5px solid rgb(2, 30, 170); line-height: 32px; background-color: rgb(255, 255, 255); border-top-color: rgb(2, 30, 170); border-bottom-color: rgb(2, 30, 170); border-right-color: rgb(2, 30, 170); box-sizing: border-box !important; overflow-wrap: break-word !important; visibility: visible;"><span style="color: rgb(136, 136, 136); border-color: rgb(2, 30, 170); visibility: visible;"><span style="color: rgb(2, 30, 170); border-color: rgb(2, 30, 170); visibility: visible;" mpa-is-content="t">先決條件</span></span></h2></section><ul class="list-paddingleft-1" style="visibility: visible;"><li style="visibility: visible;"><p style="visibility: visible;">Cloudera Manager 版本必須為 7.7.1 或更高版本</p></li><li style="visibility: visible;"><p style="visibility: visible;">CDP 包裹版本必須為 7.1.8 或更高版本</p></li><li style="visibility: visible;"><p style="visibility: visible;">HDFS 應(yīng)該啟用高可用性</p></li><li style="visibility: visible;"><p style="visibility: visible;">HDFS的最新升級必須完成</p></li><li style="visibility: visible;"><p style="visibility: visible;">根據(jù) Cloudera Manager，集群必須是健康的，并且沒有任何陳舊的配置</p></li></ul><p style="visibility: visible;">此功能僅對 7.1.8 集群啟用。這需要啟用高可用性功能。在為集群配置額外的 NameNode 后，您無法回滾 Cloudera Manager 升級或 CDP 包升級。在升級到 718 完成后，您必須添加一個(gè)額外的名稱節(jié)點(diǎn)。</p><section data-mpa-template="t" mpa-from-tpl="t" style="visibility: visible;"><h2 mpa-is-content="t" style="margin: 5px; padding-right: 10px; padding-left: 10px; font-weight: bold; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; text-align: justify; white-space: normal; widows: 1; border-left: 5px solid rgb(2, 30, 170); line-height: 32px; background-color: rgb(255, 255, 255); border-top-color: rgb(2, 30, 170); border-bottom-color: rgb(2, 30, 170); border-right-color: rgb(2, 30, 170); box-sizing: border-box !important; overflow-wrap: break-word !important; visibility: visible;"><span style="color: rgb(136, 136, 136); border-color: rgb(2, 30, 170); visibility: visible;"><span style="color: rgb(2, 30, 170); border-color: rgb(2, 30, 170); visibility: visible;" mpa-is-content="t">多個(gè) Namenodes 配置</span></span></h2></section><p style="visibility: visible;">Cloudera Manager 中默認(rèn)不啟用此功能。您必須首先在 Cloudera Manager 配置中啟用此功能。然后，您可以使用多個(gè)備用 NameNode 配置 HDFS 服務(wù)。</p><h2 style="visibility: visible;">在 Cloudera Manager 中啟用多個(gè)名稱節(jié)點(diǎn)支持功能</h2><ol class="list-paddingleft-1" style="visibility: visible;"><li style="visibility: visible;"><p style="visibility: visible;">導(dǎo)航到/etc/default/cloudera-scm-server 文件。</p></li><li style="visibility: visible;"><p style="visibility: visible;">在cloudera-scm-server文件的末尾?添加 export CMF_FF_HDFS_MULTIPLE_SNN=true 。</p></li></ol><p style="visibility: visible;"><img class="rich_pages wxw-img" data-backh="167" data-backw="578" data-ratio="0.2885304659498208" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS31HFzdPemjYR7elXibRLTnENceUxTQOHh07ia8LQ1NM8QDOriam4S4iasYw/640?wx_fmt=png" data-type="png" data-w="2232" style="width: 100% !important; height: auto !important; display: initial; visibility: visible !important;" data-index="1" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-059c1ab88b19bf1f.png" data-fail="0"></p><ol class="list-paddingleft-1" style="visibility: visible;"><li style="visibility: visible;"><p style="visibility: visible;">重新啟動(dòng) Cloudera Manager服務(wù)。</p></li></ol><section class="code-snippet__fix code-snippet__js" style="visibility: visible;"><ul class="code-snippet__line-index code-snippet__js" style="visibility: visible;"><li style="visibility: visible;"></li></ul><pre class="code-snippet__js" data-lang="nginx" style="visibility: visible;"><code style="visibility: visible;"><span class="code-snippet_outer" style="visibility: visible;"><span class="code-snippet__attribute" style="visibility: visible;">systemctl</span> restart cloudera-scm-server</span></code></pre></section><p style="visibility: visible;"><img class="rich_pages wxw-img" data-backh="261" data-backw="578" data-ratio="0.45227475468331846" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3oN2Lh8lD8FXLUpMnMUUbbOWWw4HONmvI0vriaYdotz7qqVKbu5nOnHw/640?wx_fmt=png" data-type="png" data-w="2242" style="width: 100%; height: auto; display: none;" data-index="2" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-18fd0626336272a2.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3oN2Lh8lD8FXLUpMnMUUbbOWWw4HONmvI0vriaYdotz7qqVKbu5nOnHw/640?wx_fmt=png" data-index="2" style="visibility: visible; width: 677px !important; height: 306.19px !important;"><span class="weui-primary-loading" style="visibility: visible;"><span class="" style="visibility: visible;"></span></span></span></p><section data-mpa-template="t" mpa-from-tpl="t" style="visibility: visible;"><h2 mpa-is-content="t" style="margin: 5px; padding-right: 10px; padding-left: 10px; font-weight: bold; max-width: 100%; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; text-align: justify; white-space: normal; widows: 1; border-left: 5px solid rgb(2, 30, 170); line-height: 32px; background-color: rgb(255, 255, 255); border-top-color: rgb(2, 30, 170); border-bottom-color: rgb(2, 30, 170); border-right-color: rgb(2, 30, 170); box-sizing: border-box !important; overflow-wrap: break-word !important; visibility: visible;"><span style="color: rgb(136, 136, 136); border-color: rgb(2, 30, 170); visibility: visible;"><span style="color: rgb(2, 30, 170); border-color: rgb(2, 30, 170); visibility: visible;" mpa-is-content="t">已知問題及其解決方法</span></span></h2></section><p>在繼續(xù)進(jìn)一步配置其他名稱節(jié)點(diǎn)之前，您必須了解以下已知問題。</p><h2>已知問題描述</h2><p>如果最近在集群上重新啟動(dòng)了JournalNodes，如果在重新啟動(dòng) JournalNodes 后沒有創(chuàng)建新的fsImage ，則 HDFS 服務(wù)的添加新 NameNode向?qū)Э赡軣o法引導(dǎo)新的 NameNode 。但是，在重新啟動(dòng) JournalNodes 時(shí)，編輯日志會(huì)在系統(tǒng)中滾動(dòng)。</p><h2>已知問題解決方法</h2><p>如果在Add new NameNode向?qū)陂g引導(dǎo)失敗，您必須執(zhí)行以下步驟：</p><ol class="list-paddingleft-1"><li><p>刪除新添加的NameNode和FailoverController</p></li><li><p>將活動(dòng)的 HDFS NameNode 移動(dòng)到安全模式</p></li><li><p>在活動(dòng)的 HDFS NameNode 上執(zhí)行 Save Namespace 操作</p></li><li><p>在活動(dòng)的 HDFS NameNode 上離開安全模式</p></li><li><p>嘗試再次添加新的 NameNode</p></li></ol><p><strong>筆記</strong></p><p>進(jìn)入安全模式會(huì)禁用對 HDFS 的寫入操作并導(dǎo)致服務(wù)中斷。如果無法進(jìn)入安全模式，只需刪除HDFS服務(wù)中新添加的NameNode和FailoverController即可。您必須等到 HDFS 自動(dòng)創(chuàng)建新的 fsImage 并嘗試使用向?qū)г俅翁砑有碌?NameNode。</p><section data-mpa-template="t" mpa-from-tpl="t"><h2 mpa-is-content="t" style="margin: 5px;padding-right: 10px;padding-left: 10px;font-weight: bold;max-width: 100%;font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-variant-numeric: normal;font-variant-east-asian: normal;letter-spacing: 0.544px;text-align: justify;white-space: normal;widows: 1;border-left: 5px solid rgb(2, 30, 170);line-height: 32px;background-color: rgb(255, 255, 255);border-top-color: rgb(2, 30, 170);border-bottom-color: rgb(2, 30, 170);border-right-color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="color:#888888;border-color: rgb(2, 30, 170);"><span style="color: rgb(2, 30, 170);border-color: rgb(2, 30, 170);" mpa-is-content="t">使用 HDFS 服務(wù)添加多個(gè)名稱節(jié)點(diǎn)</span></span></h2></section><p><span style="font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;">您必須確保 Cloudera Manager 處于干凈狀態(tài)，沒有任何健康問題并且集群上沒有陳舊的配置。如果存在任何運(yùn)行狀況問題或過時(shí)的配置，那么您必須與命令分開重新啟動(dòng)集群，而不是在命令中。為此，您必須清除Rolling Restart HDFS 和所有相關(guān)服務(wù)以激活步驟 10b 中的更改選項(xiàng)。此外，如果有任何健康問題或無法從集群中清除的陳舊配置，您必須單獨(dú)重新啟動(dòng)集群。</span></p><p>可以使用 Cloudera Manager 中的 HDFS 服務(wù)添加多個(gè)名稱節(jié)點(diǎn)。</p><ol class="list-paddingleft-1"><li><p>Hdfs服務(wù)已經(jīng)啟用高可用</p></li></ol><p><img class="rich_pages wxw-img" data-backh="313" data-backw="578" data-ratio="0.542240862792091" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3ejX00IOpcmR4rQqWA8eNkw8BbZcO6ScGPibWl46M6OLT4JQ0UDE4SVw/640?wx_fmt=png" data-type="png" data-w="3338" style="width: 100%; height: auto; display: none;" data-index="3" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-3e5e73572c5837ca.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3ejX00IOpcmR4rQqWA8eNkw8BbZcO6ScGPibWl46M6OLT4JQ0UDE4SVw/640?wx_fmt=png" data-index="3" style="width: 677px !important; height: 367.097px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>導(dǎo)航到集群，選擇HDFS服務(wù)，然后轉(zhuǎn)到實(shí)例，單擊聯(lián)邦和高可用性按鈕</p></li></ol><p><img class="rich_pages wxw-img" data-backh="229" data-backw="578" data-ratio="0.3969896519285042" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3HnQryibgatd1xxPdqrhM2EsscnGHoicCIonHUcfr0NepY4p7Jw0HV5eQ/640?wx_fmt=png" data-type="png" data-w="2126" style="width: 100%; height: auto; display: none;" data-index="4" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-e78c3fdd8a4f032e.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3HnQryibgatd1xxPdqrhM2EsscnGHoicCIonHUcfr0NepY4p7Jw0HV5eQ/640?wx_fmt=png" data-index="4" style="width: 677px !important; height: 268.762px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>單擊操作，單擊添加其他名稱節(jié)點(diǎn)。添加?其他 NameNode向?qū)Т蜷_。</p></li></ol><p><img class="rich_pages wxw-img" data-backh="357" data-backw="578" data-ratio="0.6175908221797323" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS32m7T89PUmIP3zD0PiaKLw8zAYDdrLhng7QU3DiaG1wT0ys15eoUlqZVw/640?wx_fmt=png" data-type="png" data-w="2092" style="width: 100%; height: auto; display: none;" data-index="5" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-42b533494c03ac4c.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS32m7T89PUmIP3zD0PiaKLw8zAYDdrLhng7QU3DiaG1wT0ys15eoUlqZVw/640?wx_fmt=png" data-index="5" style="width: 677px !important; height: 418.109px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>在“分配角色”頁面中，選擇未分配給任何名稱節(jié)點(diǎn)的主機(jī)。</p></li></ol><p><img class="rich_pages wxw-img" data-backh="518" data-backw="578" data-ratio="0.8964862298195632" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3EfgeyuVic2lU1jaBDKHEffP6chhicMNjKDmn3b99f7vXhXrLTHnZf3Fg/640?wx_fmt=png" data-type="png" data-w="2106" style="width: 100%; height: auto; display: none;" data-index="6" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-48909488d78b239a.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3EfgeyuVic2lU1jaBDKHEffP6chhicMNjKDmn3b99f7vXhXrLTHnZf3Fg/640?wx_fmt=png" data-index="6" style="width: 677px !important; height: 606.921px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>單擊繼續(xù)。</p></li><li><p>在Review Changes頁面中，您可以指定 namenode 數(shù)據(jù)目錄。</p></li><ol class="list-paddingleft-1" style="list-style-type: lower-alpha;"><li><p>如果要?jiǎng)h除已提供的名稱節(jié)點(diǎn)數(shù)據(jù)目錄中存在的數(shù)據(jù)，則必須選擇清除備用名稱節(jié)點(diǎn)名稱目錄中存在的任何現(xiàn)有數(shù)據(jù)選項(xiàng)。請記住備份名稱節(jié)點(diǎn)數(shù)據(jù)目錄。</p></li><li><p>如果要重啟 HDFS 服務(wù)及其依賴項(xiàng)，則必須選擇Rolling Restart HDFS and alldependent services 以激活更改選項(xiàng)。請記住，如果您沒有啟用高可用性功能，滾動(dòng)重啟可能會(huì)導(dǎo)致集群停機(jī)。注意：如果您未選擇 Rolling Restart 選項(xiàng)，則可以單擊 Continue 稍后重新啟動(dòng)集群。</p></li></ol></ol><p><img class="rich_pages wxw-img" data-backh="514" data-backw="578" data-ratio="0.8885741265344664" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3JATQ0v2pQkdMWSRocpKF3xicnvEwQRCNqs85ib7HXoTgWACj5D4xsn0w/640?wx_fmt=png" data-type="png" data-w="2118" style="width: 100%; height: auto; display: none;" data-index="7" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-94d01cc42dc5b892.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3JATQ0v2pQkdMWSRocpKF3xicnvEwQRCNqs85ib7HXoTgWACj5D4xsn0w/640?wx_fmt=png" data-index="7" style="width: 677px !important; height: 601.565px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>單擊繼續(xù)。這將運(yùn)行所需的命令并添加額外的名稱節(jié)點(diǎn)。</p></li></ol><p><img class="rich_pages wxw-img" data-backh="516" data-backw="578" data-ratio="0.8933962264150943" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3y5SR644ibnZcPvd0eTD2xsLfn9iaia0QQj6UfMFqS03YXvFa1EWBlDsqA/640?wx_fmt=png" data-type="png" data-w="2120" style="width: 100%; height: auto; display: none;" data-index="8" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-c1968999a318dc48.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3y5SR644ibnZcPvd0eTD2xsLfn9iaia0QQj6UfMFqS03YXvFa1EWBlDsqA/640?wx_fmt=png" data-index="8" style="width: 677px !important; height: 604.829px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><ol class="list-paddingleft-1"><li><p>單擊完成。</p></li></ol><p><img class="rich_pages wxw-img" data-backh="518" data-backw="578" data-ratio="0.8961904761904762" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3bY0ibQLdBsGd5BBpYSOVR14N0icvPs8KLHpL5QiclSEPEicgDqbMhqhgbA/640?wx_fmt=png" data-type="png" data-w="2100" style="width: 100%; height: auto; display: none;" data-index="9" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-fdef9c6a1f3ad5f4.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS3bY0ibQLdBsGd5BBpYSOVR14N0icvPs8KLHpL5QiclSEPEicgDqbMhqhgbA/640?wx_fmt=png" data-index="9" style="width: 677px !important; height: 606.721px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><p><img class="rich_pages wxw-img" data-backh="239" data-backw="578" data-ratio="0.4127740705433746" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS37Owo2Viaw5rvyNwxljX3PP5qib1Su9ED5icS5RQv3SF9t6TekuKicFZpcw/640?wx_fmt=png" data-type="png" data-w="2098" style="width: 100%; height: auto; display: none;" data-index="10" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-6e7b5b38b7a4e3a3.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS37Owo2Viaw5rvyNwxljX3PP5qib1Su9ED5icS5RQv3SF9t6TekuKicFZpcw/640?wx_fmt=png" data-index="10" style="width: 677px !important; height: 279.448px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><p>可以看到已經(jīng)有三個(gè)NameNode， 其中一個(gè)是活動(dòng)的，兩個(gè)是備用的。</p><p><img class="rich_pages wxw-img" data-backh="320" data-backw="578" data-ratio="0.5536144578313253" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS36jZ9ByHBPoBJ4R9JDoSvD98DQLuZWlsqTsibCq9h0tgYfPZzc2VqvRw/640?wx_fmt=png" data-type="png" data-w="3320" style="width: 100%; height: auto; display: none;" data-index="11" data-origin-display="" _width="100%" crossorigin="anonymous" alt="圖片" src="https://upload-images.jianshu.io/upload_images/13265002-6f183f604db3d7ef.png"><span class="js_img_placeholder wx_widget_placeholder" data-src="https://mmbiz.qpic.cn/mmbiz_png/9IZsf6icv8GomcV7uMPic1tXf4abnS0mS36jZ9ByHBPoBJ4R9JDoSvD98DQLuZWlsqTsibCq9h0tgYfPZzc2VqvRw/640?wx_fmt=png" data-index="11" style="width: 677px !important; height: 374.797px !important;"><span class="weui-primary-loading"><span class=""></span></span></span></p><p style="display: none;"><mp-style-type data-value="3"></mp-style-type></p><blockquote><p>本文使用 <a href="http://www.itdecent.cn/p/5709df6fb58d" class="internal">文章同步助手</a> 同步</p></blockquote>