diff --git a/markdown-toc-code.crx b/markdown-toc-code.crx
index e466c90..2eca995 100644
Binary files a/markdown-toc-code.crx and b/markdown-toc-code.crx differ
diff --git a/markdown-toc-code.pem b/markdown-toc-code.pem
index dff2368..eb0dc73 100644
--- a/markdown-toc-code.pem
+++ b/markdown-toc-code.pem
@@ -1,28 +1,28 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDeczN5zgmyofBM
-DIq+q39IJFddnXpFMb7Wr6/rDT1OffBdvvvC5yuD4JhneybX8aR48vi6VnV9JuuU
-FahZNm+dshTpfa8nGtlznu3vHNKi5epyUFG3NK5fPkCejxMgrtfU5zcSflcEcBja
-PSLmLVhLdV4DIhAaNWlPmAJV83BrhhKl32J3Vi6DZgB6EzZKC4C15FmbaB55QYEe
-JDH1l50om+swSCffdMwZPStPa5HoWmNvqoBIHIS18NHi20AcEwzdRJDY2cNoPxxj
-0/zz8nJVOx25jo6LGZewVBXpZSbe3zFYvb9OXY8IM56J7ziCK8qS7Q8G1Ld+Mzbf
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-h1njVngQXnJhZt/4HZC4WaY/zsj87MA1LIvqzWS1hs4zeEr9q5tvHI/anIhAsDtv
-VZZqLZg98OwChK/ifPqtj88wsw9oJH78m+1WWVnroZUbQ1Rg78KEs0XtBwpzL3oL
-wEvV7HDvD1Ilyrqg+gRfTpFxorNwqQTE0Gm/HxVtCpOLLPn10TiDMzgPEmX0Cxid
-VWTnEzhQxyDiEJezCoNebETqdVzgoG/ZO8MZul4cgQKBgQD53817kNfWgegIF/l9
-S9gBzYVdjRuF6bq8zB8y1NTvFcCOVirXPfIsvLChukmFs8mBYgOhmIBBdkGzAELn
-mVnPF2fbjm8ENXgzvTMVUKN8yeS3aShKe/8+8BgQR860rWk6LlL1kQGghphVSI1L
-RwZT30ALv7ZwzoveU3HRXB1j6QKBgQDj50kScX0ihQpm7q+z86WJGxuTKk4124JU
-cAyCp2sS/yRbfkTQUiVoBYEnNrlHtmyUb4OyxHA+1nVa6evFl/b39wJAelSguoAI
-qR5pYtVBIiGB0YbWffgWGUz0EL0Fq4IvAEX1KCgSPQ+Rnofa0QcaAATfP44hldTL
-iFsf/V7ZBQKBgC5gv77jj2wdCHgYGxKKdTlAcDSA8E7WpvZL3K6OmkcV/ntsut7g
-fIaZLx+Vd/f8+rWs/4eKyqNb063pqoFaETVC3t/9e9WIJxtTTpvyL6YFwxHXzsak
-ZSfFYHIFIfSfCxzlZDh4BZlJ4hRSNwd101LV6QlFOBOQAp3tVv7I3huhAoGBAMVm
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-QQOVUyx6z22rr/rLEgA087DEBWYR9znuBaHoxBBzIsb7UHsx4IUUfaxTDbuifBug
-rkrRulFxGIZn0GYMiSqAO5/XioQWU1nTjl7PjVv+vlRJviaNoBB47NWkEY+ZC7c2
-ibnFhVgk9tDR2E/BUA8u3eTo
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC++s9zxbPDhxRB
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++EeiYjAYzGVvWtQ0P9khk0+aH7A9gTVpgg5abR6DTYg2JbxVfS1FvHi63/a45fnJ
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+D/zaI6h16DhsegYE6oFuHcSJTn2N7dBjzBA5rADgn7E7pv+jP3EZL6Cia6DbvwOe
+CZQftlZi2hnjaREwVN0p4rJkiuR+qJkjVAhEy1oXL7c6eXaP2T8NoSeJaAUv84Gr
+omjlIc09QHrlgPwautxADfF4esZ2eDgass00iT7xAoGBAN4BbVkRQ2lbitSlhCxh
+GvvkTP3EAI9KgkrP6nKISkGZ1aQs8DZF8zaqyJD/e24sMK7JLexFU4IhFaPRRd1L
+/+VFqdaVvzybevjOM1v8S7Zgr2VOOeITcNj03/i6JJ9DcSQA6qGVpgN0b4SUaejB
+S146cMiXFCbR/tc5ZxVFXt0R
 -----END PRIVATE KEY-----
diff --git a/markdown-toc-code/js/content-script.js b/markdown-toc-code/js/content-script.js
index b4e8e0e..b6d199d 100644
--- a/markdown-toc-code/js/content-script.js
+++ b/markdown-toc-code/js/content-script.js
@@ -53,9 +53,26 @@ function init(list) {
 
         var hreftagname = header.firstElementChild.hash;
         var level = parseInt(header.tagName.replace('H', ''), 10);
+        
         if(!isGetFisrtLevel){
             firstLevel = level;
             isGetFisrtLevel = true;
+
+            var header_p = document.createElement("li");
+            header_p.textContent = "Article TOC for GitHub";
+            addStyle(header_p, {"listStyle": "none","font-size":"20px","margin-bottom":"10px"});
+
+            var gotop_li = document.createElement("li");
+            var gotop_li = document.createElement("li");
+            addStyle(gotop_li, {"listStyle": "none"});
+            var gotop_a = document.createElement("a");
+            addStyle(gotop_a, {"color": "#0366d6","textOverflow ": "ellipsis","font-weight":"bold"});
+            gotop_a.innerHTML = "▲ GO TOP";
+            gotop_a.setAttribute("href", "#");
+            div_toc.appendChild(header_p);
+
+            div_toc.appendChild(gotop_li);
+            div_toc.lastChild.appendChild(gotop_a);
         }
 
         var li = document.createElement("li");
@@ -65,11 +82,9 @@ function init(list) {
         addStyle(a, {"color": "#0366d6","textOverflow ": "ellipsis"});
 
         // a.innerHTML = level + header.textContent;
-
-        console.log("firstLevel  "+firstLevel);
-        console.log("level "+level);
         if( level == firstLevel ){
             a.innerHTML = header.textContent;
+            addStyle(a, {"font-weight":"bold"});
         }
         else{
             a.innerHTML = new Array(level * 2).join(' ')  + header.textContent;