diff --git a/layout/_partial/main/article/read_next.ejs b/layout/_partial/main/article/read_next.ejs
index cbdb120..98b549e 100644
--- a/layout/_partial/main/article/read_next.ejs
+++ b/layout/_partial/main/article/read_next.ejs
@@ -4,16 +4,16 @@ function layoutDiv() {
   var title = __('meta.read_next');
   var title_prev = __('meta.prev');
   var title_next = __('meta.next');
-  if (page.layout == 'post') {
+  if (page.layout === 'post') {
     prev = page.prev;
     next = page.next;
     title_prev = __('meta.newer');
     title_next = __('meta.older');
-  } else if (page.layout == 'wiki' && page.wiki && page.wiki.length > 0) {
+  } else if (page.layout === 'wiki' && page.wiki && page.wiki.length > 0) {
     var wikis = [];
     wikis = site.pages.filter(function (p) {
-      if (p.layout == 'wiki' && p.wiki && p.wiki == page.wiki) {
-        if (p.order == undefined) {
+      if (p.layout === 'wiki' && p.wiki && p.wiki === page.wiki) {
+        if (p.order === undefined) {
           p.order = 0;
         }
         return true;
@@ -24,15 +24,18 @@ function layoutDiv() {
     page.order = page.order || 0;
     wikis.forEach((p, i) => {
       if (p.order < page.order) {
-        if (prev == undefined || p.order > prev.order) {
+        if (prev === undefined || p.order > prev.order) {
           prev = p;
         }
       } else if (p.order > page.order) {
-        if (next == undefined || p.order < next.order) {
+        if (next === undefined || p.order < next.order) {
           next = p;
         }
       }
     });
+    if (next === undefined) {
+      return '<br>';
+    }
   }
   let el = '';
   if (prev || next) {
diff --git a/layout/_partial/sidebar/logo.ejs b/layout/_partial/sidebar/logo.ejs
index 8cf8e4c..80b59b1 100644
--- a/layout/_partial/sidebar/logo.ejs
+++ b/layout/_partial/sidebar/logo.ejs
@@ -3,7 +3,23 @@ var proj;
 if (page.layout === 'wiki' && page.wiki) {
   proj = theme.wiki.projects[page.wiki];
 }
-
+function layoutTitle(main, url, sub) {
+  var el = '';
+  el += '<a class="title" href="' + url_for(url || "/") + '">';
+  el += '<div class="main">' + main + '</div>';
+  if (sub) {
+    let arr = sub.split('|');
+    console.log(arr);
+    if (arr.length > 1) {
+      el += '<div class="sub normal cap">' + arr[0].trim() + '</div>';
+      el += '<div class="sub hover cap" style="opacity:0">' + arr[1].trim() + '</div>';
+    } else if (arr.length > 0) {
+      el += '<div class="sub cap">' + arr[0] + '</div>';
+    }
+  }
+  el += '</a>';
+  return el;
+}
 function layoutDiv() {
   var el = '';
   if (page.layout === 'wiki' && proj.index !== false) {
@@ -24,9 +40,10 @@ function layoutDiv() {
       }
     }
     if (proj !== undefined) {
-      el += '<a class="title" href="' + url_for(proj.path) + '">';
-      el += proj.title || proj.wiki;
-      el += '</a>';
+      let main = proj.title || proj.wiki || page.wiki || page.title;
+      let url = proj.path;
+      let sub = proj.subtitle;
+      el += layoutTitle(main, url, sub);
     }
   } else {
     el += '<div class="logo-wrap">';
@@ -38,19 +55,11 @@ function layoutDiv() {
       el += '<img no-lazy class="avatar" src="' + md_text(theme.sidebar.logo.avatar) + '">';
       el += '</a>';
     }
-    if (md_text(theme.sidebar.logo.title)) {
-      el += '<a class="title" href="' + url_for(md_link(theme.sidebar.logo.title) || "/") + '">';
-      el += '<div class="main">' + md_text(theme.sidebar.logo.title) + '</div>';
-      if (config.subtitle) {
-        let arr = config.subtitle.split('|');
-        if (arr.length > 0) {
-          el += '<div class="sub normal cap">' + arr[0] + '</div>';
-          if (arr.length > 1) {
-            el += '<div class="sub hover cap" style="opacity:0">' + arr[1] + '</div>';
-          }
-        }
-      }
-      el += '</a>';
+    let main = md_text(theme.sidebar.logo.title);
+    if (main) {
+      let url = md_link(theme.sidebar.logo.title);
+      let sub = config.subtitle;
+      el += layoutTitle(main, url, sub);
     }
   }
   el += '</div>';
diff --git a/source/css/_layout/partial/footer.styl b/source/css/_layout/partial/footer.styl
index 18b9fad..d1c4c0b 100644
--- a/source/css/_layout/partial/footer.styl
+++ b/source/css/_layout/partial/footer.styl
@@ -1,5 +1,5 @@
 .page-footer
-  margin: 4rem 1rem 2rem
+  margin: 4rem 1rem
   color: var(--text-p3)
   a
     color: var(--text-p3)
@@ -7,7 +7,7 @@
       color: $color-hover
 
 .page-footer .sitemap
-  margin: .5rem 0 1.5rem
+  margin: .5rem 0 2rem
   display: grid
   grid-gap: 1rem 1rem
   grid-auto-flow: column dense
diff --git a/source/css/_layout/sidebar/sidebar.styl b/source/css/_layout/sidebar/sidebar.styl
index eb32330..ae98a91 100644
--- a/source/css/_layout/sidebar/sidebar.styl
+++ b/source/css/_layout/sidebar/sidebar.styl
@@ -81,8 +81,6 @@
       .hover
         transform: translateY(0)
         opacity: 1 !important
-  a.avatar+a.title
-    txt-ellipsis()
 
 
 .logo-wrap.wiki