diff --git a/blog/2021-08-26-welcome/docusaurus-plushie-banner.jpeg b/blog/2021-08-26-welcome/docusaurus-plushie-banner.jpeg
deleted file mode 100644
index 11bda09..0000000
Binary files a/blog/2021-08-26-welcome/docusaurus-plushie-banner.jpeg and /dev/null differ
diff --git a/docusaurus.config.js b/docusaurus.config.js
index ed3aaee..ac4065e 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -67,9 +67,9 @@ const config = {
             type: 'doc',
             docId: 'intro',
             position: 'left',
-            label: '教程',
+            label: '教程手册',
           },
-          {to: '/blog', label: '博客', position: 'left'},
+          {to: '/blog', label: '作者博客', position: 'left'},
           {
             href: 'https://github.com/teasiu/doc',
             label: 'GitHub',
diff --git a/sidebars.js b/sidebars.js
index 366e1cb..62f58c5 100644
--- a/sidebars.js
+++ b/sidebars.js
@@ -23,7 +23,7 @@ const sidebars = {
     'hello',
     {
       type: 'category',
-      label: '�̳�',
+      label: '�̳��ֲ�',
       items: ['tutorial-basics/create-a-document'],
     },
   ],