diff --git a/docs/assets/js/custom.js b/docs/assets/js/custom.js
index 18f16bcb..bf6662ff 100644
--- a/docs/assets/js/custom.js
+++ b/docs/assets/js/custom.js
@@ -260,6 +260,14 @@ document.addEventListener('DOMMouseScroll', scrollFunc, false);
 }  
 window.onscroll = scrollFunc;
   
+
+function page_position() {
+    var page_url = window.location.href;
+    if(page_url.indexOf('id=') != -1) {
+        page_move(page_url.slice(page_url.indexOf('id=')+3,));
+     }
+}
+
 function product_search(onEnter_content){
     $("#search_note").css("display","block");
     $(".item").parent().css("display","inline-block");
@@ -462,17 +470,17 @@ function use_jpg() {
     }
 }
 function page_loading() {
-    var test = window.location.href;
-    if ((test.indexOf(/en/) == -1) && (test.indexOf(/zh_CN/) == -1)&& (test.indexOf(/ja/) == -1)) {
+    var page_url = window.location.href;
+    if ((page_url.indexOf(/en/) == -1) && (page_url.indexOf(/zh_CN/) == -1)&& (page_url.indexOf(/ja/) == -1)) {
         change_title('en');
     }
-    if(test.indexOf(/en/) != -1){
+    if(page_url.indexOf(/en/) != -1){
         change_title('en');
     }
-    if(test.indexOf(/zh_CN/) != -1){
+    if(page_url.indexOf(/zh_CN/) != -1){
         change_title('zh_CN');
     }
-    if(test.indexOf(/ja/) != -1){
+    if(page_url.indexOf(/ja/) != -1){
         change_title('ja');
     }
 }
diff --git a/docs/assets/js/custom.min.js b/docs/assets/js/custom.min.js
index e35a79a0..b76b0925 100644
--- a/docs/assets/js/custom.min.js
+++ b/docs/assets/js/custom.min.js
@@ -27,7 +27,8 @@ else{var anchor_list=$("#main h2");}
 for(var i=0;i<anchor_list.length;i++){if(anchor_scroll(anchor_list[i].id.toUpperCase(),anchor_list[i].id,anchor_list.length))break;}}
 scrollFunc();if(document.attachEvent){document.attachEvent('onmousewheel',scrollFunc);}
 if(document.addEventListener){document.addEventListener('DOMMouseScroll',scrollFunc,false);}
-window.onscroll=scrollFunc;function product_search(onEnter_content){$("#search_note").css("display","block");$(".item").parent().css("display","inline-block");$(".search_point")[0].textContent="";var p=$(".item .item-title");var sku_list=$(".item .mask_sku");var textEnter=onEnter_content.toLocaleLowerCase();for(var i=0;i<p.length;i++){if((p[i].textContent.toLocaleLowerCase().indexOf(textEnter)!=-1)||(sku_list[i].textContent.toLocaleLowerCase().indexOf(textEnter)!=-1)||(p[i].dataset.kw.toLocaleLowerCase().indexOf(textEnter)!=-1)){$(".item").eq(i).css("display","inline-block");$(".item").eq(i).parent().children("p").css("display","block");$(".item").eq(i).parent().next("hr").css("display","block");$("#search_note").css("display","none");kw_content=p[i].dataset.kw;var kw="";var sku=sku=`--SKU:<span style="color:#007bff;">${sku_list[i].textContent}</span>`;if(kw_content.toLocaleLowerCase().indexOf(textEnter)!=-1){var kw_index=kw_content.toLocaleLowerCase().indexOf(textEnter);var kw_index_start=(function(){for(var index=kw_index;index>=0;index--){if((kw_content[index]==" ")||(index==0)){return index;}}})();var kw_index_end=(function(){for(var index=kw_index;index<=kw_content.length;index++){if((kw_content[index]==" ")||(index==kw_content.length)){return index;}}})();var kw_part1=kw_content.substring(0,kw_index_start);var kw_part2=kw_content.substring(kw_index_end,);var kw_part3=kw_content.substring(kw_index_start,kw_index_end);kw=`--<span style="color:#007bff;">${kw_part3}</span> ${kw_part1}${kw_part2}`}
+window.onscroll=scrollFunc;function page_position(){var page_url=window.location.href;if(page_url.indexOf('id=')!=-1){page_move(page_url.slice(page_url.indexOf('id=')+3,));}}
+function product_search(onEnter_content){$("#search_note").css("display","block");$(".item").parent().css("display","inline-block");$(".search_point")[0].textContent="";var p=$(".item .item-title");var sku_list=$(".item .mask_sku");var textEnter=onEnter_content.toLocaleLowerCase();for(var i=0;i<p.length;i++){if((p[i].textContent.toLocaleLowerCase().indexOf(textEnter)!=-1)||(sku_list[i].textContent.toLocaleLowerCase().indexOf(textEnter)!=-1)||(p[i].dataset.kw.toLocaleLowerCase().indexOf(textEnter)!=-1)){$(".item").eq(i).css("display","inline-block");$(".item").eq(i).parent().children("p").css("display","block");$(".item").eq(i).parent().next("hr").css("display","block");$("#search_note").css("display","none");kw_content=p[i].dataset.kw;var kw="";var sku=sku=`--SKU:<span style="color:#007bff;">${sku_list[i].textContent}</span>`;if(kw_content.toLocaleLowerCase().indexOf(textEnter)!=-1){var kw_index=kw_content.toLocaleLowerCase().indexOf(textEnter);var kw_index_start=(function(){for(var index=kw_index;index>=0;index--){if((kw_content[index]==" ")||(index==0)){return index;}}})();var kw_index_end=(function(){for(var index=kw_index;index<=kw_content.length;index++){if((kw_content[index]==" ")||(index==kw_content.length)){return index;}}})();var kw_part1=kw_content.substring(0,kw_index_start);var kw_part2=kw_content.substring(kw_index_end,);var kw_part3=kw_content.substring(kw_index_start,kw_index_end);kw=`--<span style="color:#007bff;">${kw_part3}</span> ${kw_part1}${kw_part2}`}
 if(textEnter!=""){$(".search_point").append(`<a class="dropdown-item" target="__blank" href="${p[i].parentNode.href}">${p[i].textContent+kw+sku}</a>`);}else{$(".item").parent().css("display","block");}}
 else{$(".item").eq(i).css("display","none");$(".item").parent().children("p").css("display","none");$(".item").eq(i).parent().next("hr").css("display","none");}}}
 function faq_search(onEnter_content){$(".search-tips").css("display","block");$(".faq-class").css("display","none");var faq_title=$(".faq-item h5");for(var i=0;i<faq_title.length;i++){if(faq_title[i].textContent.toLocaleLowerCase().indexOf(onEnter_content)!=-1){$(".faq-item").eq(i).css("display","block");$(".search-tips").css("display","none");$(".faq-item").eq(i).prev(".faq-class").css("display","block");}
@@ -43,17 +44,17 @@ header.case_link="#/zh_CN/case";header.faq_link="#/zh_CN/faq";header.i2c_table="
 function language(language){var test=window.location.href;if((test.indexOf(/en/)==-1)&&(test.indexOf(/zh_CN/)==-1)&&(test.indexOf(/ja/)==-1)){var test2=test.concat("",language+"/");window.location.href=test2;change_title(language);}
 if(test.indexOf(/en/)!=-1){var test2=test.replace(/en/,language);window.location.href=test2;change_title(language);}else if(test.indexOf(/zh_CN/)!=-1){var test2=test.replace(/zh_CN/,language);window.location.href=test2;change_title(language);}else if(test.indexOf(/ja/)!=-1){var test2=test.replace(/ja/,language);window.location.href=test2;change_title(language);}}
 function use_jpg(){pics=$("img");var page_url=window.location.href;for(var i=0;i<pics.length;i++){if((page_url.slice(-4)=="/en/")||(page_url.slice(-7)=="/zh_CN/")||(page_url.slice(-3)=="/#/")){if(pics[i].src.indexOf(".webp")!=-1){var path=pics[i].src.substr(0,pics[i].src.indexOf(".webp"));pics[i].src=path+".jpg"}}else{if(pics[i].src.indexOf(".webp")!=-1){if(pics[i].src.indexOf("m5stack.oss")!=-1){var path=pics[i].src.substr(0,pics[i].src.indexOf(".webp"));pics[i].src=path+".jpg"}else{if(pics[i].src.indexOf("assets")!=-1){var path=pics[i].src.substr(pics[i].src.indexOf("assets"),);pics[i].src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/product_jpg/"+path.replace(".webp",".jpg");}else if(pics[i].src.indexOf("image/")!=-1){var path=pics[i].src.substr(pics[i].src.indexOf("image"),);pics[i].src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/product_jpg/"+path.replace(".webp",".jpg");}}}}}}
-function page_loading(){var test=window.location.href;if((test.indexOf(/en/)==-1)&&(test.indexOf(/zh_CN/)==-1)&&(test.indexOf(/ja/)==-1)){change_title('en');}
-if(test.indexOf(/en/)!=-1){change_title('en');}
-if(test.indexOf(/zh_CN/)!=-1){change_title('zh_CN');}
-if(test.indexOf(/ja/)!=-1){change_title('ja');}}
+function page_loading(){var page_url=window.location.href;if((page_url.indexOf(/en/)==-1)&&(page_url.indexOf(/zh_CN/)==-1)&&(page_url.indexOf(/ja/)==-1)){change_title('en');}
+if(page_url.indexOf(/en/)!=-1){change_title('en');}
+if(page_url.indexOf(/zh_CN/)!=-1){change_title('zh_CN');}
+if(page_url.indexOf(/ja/)!=-1){change_title('ja');}}
 function isSupportWebp(){if(document.createElement('canvas').toDataURL('image/webp',0.5).indexOf('data:image/webp')===0){return true;}
 use_jpg();}
 function img_zoom(){$('#main img').on('click',function(){window.zoom_image.url=this.src;window.zoom_image.srcList.push(this.src);for(var i=0;i<$('#main img').length;i++){if(window.zoom_image.srcList.indexOf($('#main img')[i].src)==-1){window.zoom_image.srcList.push($('#main img')[i].src);}}
 window.zoom_image.show=true;window.zoom_image.stopScroll();})}
 function page_move(divId){var t=$("#"+divId).offset().top;$('html, body').animate({scrollTop:(t-100)},500);}
 window.onhashchange=page_loading
-page_loading();function creat_pdf(){window.header.loading(window.header.pdf_notify);window.header.$notify({title:'M5Stack-Docs',message:window.header.pdf_notify,offset:150});$('html, body').animate({scrollTop:0},0);$(".anchor-box").css("display","none");$(".related_links").css("display","none");$(".easyloader-box").css("display","none");var target=document.getElementsByTagName('body');html2canvas(target,{useCORS:true,logging:true,scale:5,background:'#FFFFFF',onrendered:function(canvas){var contentWidth=canvas.width;var contentHeight=canvas.height;var pageHeight=contentWidth/592.28*841.89;var leftHeight=contentHeight;var position=0;var imgWidth=595.28;var imgHeight=592.28/contentWidth*contentHeight;var pageData=canvas.toDataURL('image/jpeg',1.0);var pdf=new jsPDF('','pt','a4');if(leftHeight<pageHeight){pdf.addImage(pageData,'JPEG',0,0,imgWidth,imgHeight);}else{while(leftHeight>0){pdf.addImage(pageData,'JPEG',0,position,imgWidth,imgHeight)
+page_loading();function creat_pdf(){window.header.loading(window.header.pdf_notify);window.header.$notify({title:'M5Stack-Docs',message:window.header.pdf_notify,offset:150});$('html, body').animate({scrollTop:0},0);$(".anchor-box").css("display","none");$(".related_links").css("display","none");$(".easyloader-box").css("display","none");var target=document.getElementsByTagName('body');html2canvas(target,{useCORS:true,logging:true,scale:2,background:'#FFFFFF',onrendered:function(canvas){var contentWidth=canvas.width;var contentHeight=canvas.height;var pageHeight=contentWidth/592.28*841.89;var leftHeight=contentHeight;var position=0;var imgWidth=595.28;var imgHeight=592.28/contentWidth*contentHeight;var pageData=canvas.toDataURL('image/jpeg',1.0);var pdf=new jsPDF('','pt','a4');if(leftHeight<pageHeight){pdf.addImage(pageData,'JPEG',0,0,imgWidth,imgHeight);}else{while(leftHeight>0){pdf.addImage(pageData,'JPEG',0,position,imgWidth,imgHeight)
 leftHeight-=pageHeight;position-=841.89;if(leftHeight>0){pdf.addPage();}}}
 var page_url=window.location.href;var a=page_url.indexOf('#')
 var pdf_name=page_url.slice(a+2);pdf.save(pdf_name+".pdf");}})
diff --git a/docs/assets/js/docify.js b/docs/assets/js/docify.js
index 6eefc7cb..25658062 100644
--- a/docs/assets/js/docify.js
+++ b/docs/assets/js/docify.js
@@ -461,6 +461,7 @@
         window.header.done();
         isSupportWebp();
         img_zoom();
+        page_position();
       }, 200);
     }
   }
diff --git a/docs/assets/js/docify.min.js b/docs/assets/js/docify.min.js
index 8552c94e..cfa11cfe 100644
--- a/docs/assets/js/docify.min.js
+++ b/docs/assets/js/docify.min.js
@@ -38,7 +38,7 @@ function theme(color){return("<style>:root{--theme-color: "+color+";}</style>")}
 var barEl;var timeId;function init(){}
 function progressbar(ref){var loaded=ref.loaded;var total=ref.total;var step=ref.step;var num;!barEl&&init();if(step){num=num+step;num=num>80?80:num;}else{num=Math.floor(loaded/total*100);}
 if(num==Infinity){}else{}
-if(num>=95){clearTimeout(timeId);timeId=setTimeout(function(_){window.header.done();isSupportWebp();img_zoom();},200);}}
+if(num>=95){clearTimeout(timeId);timeId=setTimeout(function(_){window.header.done();isSupportWebp();img_zoom();page_position();},200);}}
 var cache={};function get(url,hasBar,headers){if(hasBar===void 0)hasBar=false;if(headers===void 0)headers={};var xhr=new XMLHttpRequest();var on=function(){xhr.addEventListener.apply(xhr,arguments);};var cached$$1=cache[url];if(cached$$1){return{then:function(cb){return cb(cached$$1.content,cached$$1.opt);},abort:noop}}
 xhr.open('GET',url);for(var i in headers){if(hasOwn.call(headers,i)){xhr.setRequestHeader(i,headers[i]);}}
 xhr.send();return{then:function(success,error){if(error===void 0)error=noop;if(hasBar){var id=setInterval(function(_){return progressbar({step:Math.floor(Math.random()*5+1)});},500);on('progress',progressbar);on('loadend',function(evt){progressbar(evt);clearInterval(id);});}
diff --git a/docs/index.html b/docs/index.html
index 24182212..f77bad63 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -1,4 +1,4 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1.0, shrink-to-fit=no"><meta name="description" content="The reference docs for M5Stack products. Quick start, get the detailed information or instructions such as IDE,UIFLOW,Arduino. The tutorials for M5Burner, Firmware, Burning, programming. ESP32,M5StickC,StickV, StickT,M5ATOM."><meta name="google-site-verification" content="sYDlVf68aDW21U32H46j1P4YDSimljEGHBEMi4JRxQ8"/><title>M5Stack Docs - The reference docs for M5Stack products.</title><base target="_blank"><link rel="icon" href="assets/img/favicon.ico"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsify-themeable@0.7.2/dist/css/theme-simple.css" title="Simple"><link rel="stylesheet" href="assets/css/main-min.css"><script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script><link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css"><script src="https://cdn.jsdelivr.net/npm/vue@2.6.11"></script><script src="https://unpkg.com/element-ui/lib/index.js"></script></head><body><div class="search"><form action="" method="get" accept-charset="utf-8"><input type="text" placeholder="Search" oninput="onEnter(event)"><a id="search_button" class="search-btn" style="width: 20px;height: 20px;color: #007bff" onclick="mode_search()"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" role="img" viewBox="0 0 24 24" focusable="false"><title>Search</title><circle cx="10.5" cy="10.5" r="7.5"></circle><path d="M21 21l-5.2-5.2"></path></svg></a></form><div class="search_point"></div></div><transition id="zoom_image" name="el-zoom-in-bottom"><div v-show="show" v-cloak class="demo-image__preview" style="position: fixed;z-index: 9999;top: 50%;left: 50%;transform: translate(-50%, -50%); width: 100%;height: 100%;"><transition name="el-zoom-in-bottom"><div tabindex="-1" v-show="show" class="el-image-viewer__wrapper transition-box" style="z-index: 2000;"><div class="el-image-viewer__mask" @click="close()"></div><span class="el-image-viewer__btn el-image-viewer__close" @click="close()" style="z-index: 2000;"><i class="el-icon-circle-close" style="color: #00ff5ac7;box-shadow: 0 0 10px #00ff5ac7; border-radius: 50%;"></i></span><span class="el-image-viewer__btn el-image-viewer__prev" @click="prev" style="z-index: 2000;"><i class="el-icon-arrow-left"></i></span><span class="el-image-viewer__btn el-image-viewer__next" @click="next()" style="z-index: 2000;"><i class="el-icon-arrow-right"></i></span><div class="el-image-viewer__btn el-image-viewer__actions" style="z-index: 2000;"><div class="el-image-viewer__actions__inner"><i @click="zoom_out" class="el-icon-zoom-out"></i><i @click="zoom_in" class="el-icon-zoom-in"></i><i class="el-image-viewer__actions__divider"></i><i @click="full" class="el-icon-full-screen"></i><i class="el-image-viewer__actions__divider"></i><i @click="left" class="el-icon-refresh-left"></i><i @click="right" class="el-icon-refresh-right"></i></div></div><div class="el-image-viewer__canvas" @mousewheel="rollImg(this)"><img :src="url" class="el-image-viewer__img" :style="img_style"></div></div></transition></div></transition><div id='header'><div id="pc_header"><a href="https://m5stack.com/"><h1 style="display: inline-block;"><img src="//cdn.shopify.com/s/files/1/0056/7689/2250/files/LOGO_70x.jpg?v=1563273356" style="margin-right:30px;" width="52"><span v-cloak style="position: relative;font-size: 20px;color: #616161;vertical-align: text-bottom;">M5Stack Docs</span></h1></a><el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal"><el-menu-item index="1"><a v-cloak :href="homepage" style="padding: 0px 10px;"><i class="el-icon-s-home"></i>{{homepage_title}}</a></el-menu-item><el-submenu index="2"><template slot="title" v-cloak><i class="el-icon-menu"></i>{{platform_list_title}}</template><a v-cloak :href='href' :key='index' v-for='(href,key,index) in platform'><el-menu-item index="2-index">{{key}}</el-menu-item></a></el-submenu><el-menu-item index=3"><a v-cloak :href="case_link" style="padding: 0px 6px;"><i class="el-icon-share"></i>{{case_title}}</a></el-menu-item><el-submenu index="4"><template slot="title" v-cloak><i class="el-icon-document"></i>{{faq_title}}</template><a v-cloak :href="faq_link"><el-menu-item>{{faq_title}}</el-menu-item></a><a v-cloak href='https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_table/I2C_Address.pdf'><el-menu-item>{{i2c_table}}</el-menu-item></a><a v-cloak href='https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_table/Product_compared.pdf'><el-menu-item>{{comparison_table}}</el-menu-item></a></el-submenu><el-submenu index="5"><template slot="title" v-cloak><i><svg t="1593669698316" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4443" width="26" height="18"><path d="M446.864 616q-0.576 1.728-7.136-0.288t-18.016-6.56l-11.424-5.152q-25.152-11.424-49.728-28-4-2.848-23.424-18.016t-21.728-16.288q-38.272 58.848-76.576 103.424-46.272 54.272-60 62.848-2.272 1.152-11.136 2.272t-10.56 0q3.424-2.272 46.848-52.576 12-13.728 48.864-65.728t44.864-67.424q9.728-17.152 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