diff --git a/_config.next.yml b/_config.next.yml
index 85720f7..af4108f 100644
--- a/_config.next.yml
+++ b/_config.next.yml
@@ -50,10 +50,10 @@ darkmode: true
 # ---------------------------------------------------------------
 
 favicon:
-  small: /images/favicon-16x16-j.png
-  medium: /images/favicon-32x32-j.png
-  apple_touch_icon: /images/apple-touch-icon-j.png
-  safari_pinned_tab: /images/favicon-j.svg
+  small: /images/meta/favicon-16x16-j.png
+  medium: /images/meta/favicon-32x32-j.png
+  apple_touch_icon: /images/meta/apple-touch-icon-j.png
+  safari_pinned_tab: /images/meta/favicon-j.svg
   #android_manifest: /manifest.json
 
 # Custom Logo (Warning: Do not support scheme Mist)
@@ -140,7 +140,7 @@ sidebar:
 # Sidebar Avatar
 avatar:
   # Replace the default image and set the url here.
-  url: /images/favicon-j.svg
+  url: /images/meta/favicon-j.svg
   # If true, the avatar will be displayed in circle.
   rounded: true
   # If true, the avatar will be rotated with the cursor.
@@ -232,7 +232,7 @@ footer:
     # The full num of gongan beian.
     gongan_num: 京公网安备11010802039063号
     # The icon for gongan beian. See: http://www.beian.gov.cn/portal/download
-    gongan_icon_url: https://josh-blog-1257563604.cos.ap-beijing.myqcloud.com/img/MIsc/%E5%A4%87%E6%A1%88%E5%9B%BE%E6%A0%87.png
+    gongan_icon_url: /images/misc/备案图标.png
 
 
 # ---------------------------------------------------------------
@@ -407,7 +407,7 @@ bookmark:
 
 # `Follow me on GitHub` banner in the top-right corner.
 github_banner:
-  enable: true
+  enable: false
   permalink: https://github.com/JoshGao-bit
 
 
@@ -621,8 +621,8 @@ quicklink:
 # Use Animate.css to animate everything.
 # For more information: https://animate.style
 motion:
-  enable: true
-  async: false
+  enable: false
+  async: true
   transition:
     # All available transition variants: https://theme-next.js.org/animate/
     menu_item: fadeInDown
@@ -669,7 +669,7 @@ comments:
   # Setting `true` means remembering the comment system selected by the visitor.
   storage: true
   # Lazyload all comment systems.
-  lazyload: false
+  lazyload: true
   # Modify texts or order for any naves, here are some examples.
   nav:
     #disqus:
diff --git a/_config.yml b/_config.yml
index dff3ca5..8c4918f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -6,14 +6,14 @@
 title: Josh's Blog
 subtitle: 一个电子工程师的修养
 description: 我，搞通信的
-keywords: 硬件，Verilog
+keywords: 硬件，Verilog，阵列
 author: Josh Gao
 language: zh-CN
 timezone: Asia/Shanghai
 
 # URL
 ## Set your site url here. For example, if you use GitHub Page, set url as 'https://username.github.io/project'
-url: http://josh-gao.top
+url: https://josh-gao.top
 # permalink: :year/:month/:day/:title.html
 permalink: posts/:abbrlink.html
 # abbrlink config: https://github.com/rozbo/hexo-abbrlink
@@ -92,7 +92,7 @@ updated_option: 'mtime'
 
 # Pagination
 ## Set per_page to 0 to disable pagination
-per_page: 15
+per_page: 10
 pagination_dir: page
 
 # Include / Exclude file(s)
diff --git a/source/_data/sidebar.njk b/source/_data/sidebar.njk
index 3f0ddeb..3deed75 100644
--- a/source/_data/sidebar.njk
+++ b/source/_data/sidebar.njk
@@ -1,4 +1,4 @@
-{% if site.tags.length > 1 %}
+{# {% if site.tags.length > 1 %}
   <script type="text/javascript" charset="utf-8" src="{{ url_for('/js/tagcloud.js') }}"></script>
   <script type="text/javascript" charset="utf-8" src="{{ url_for('/js/tagcanvas.js') }}"></script>
   <div class="widget-wrap">
@@ -8,4 +8,4 @@
       </canvas>
     </div>
   </div>
-{% endif %}
+{% endif %} #}
diff --git a/source/_data/styles.styl b/source/_data/styles.styl
index 2437272..7576cdb 100644
--- a/source/_data/styles.styl
+++ b/source/_data/styles.styl
@@ -2,7 +2,7 @@
 
 body{
     // 设置背景图片
-    background:url(../images/bg.svg);
+    background:url(../images/misc/bg.svg);
     background-repeat:repeat;
   }
 
diff --git a/source/_posts/2023-06-19-josh-oap-part-2-1.md b/source/_posts/2023-06-19-josh-oap-part-2-1.md
index 6feed9c..f4d99a8 100644
--- a/source/_posts/2023-06-19-josh-oap-part-2-1.md
+++ b/source/_posts/2023-06-19-josh-oap-part-2-1.md
@@ -483,9 +483,9 @@ $$\begin{equation}
 
 &emsp;&emsp;[图 2.1.5](#fig.2-1-5) 给出了几个代表性的离散长球序列（归一化到 $w_6$），[图 2.1.6](#fig.2-1-6) 给出了对应的波束方向图：
 
-- 当 $\psi_0$ 接近于零的时候, $w_0$ 趋近于均匀加权，因为此时使方向性最大；
+- 当 $\psi_0$ 接近于零的时候，$w_0$ 趋近于均匀加权，因为此时使方向性最大；
 - 对于 $\psi_0 = 0.2\pi$，大多数的能量集中在主波束，波束宽度略增大，旁瓣在 $-20\text{dB}$ 以下；
-- 对于$\psi_0 = 0.4\pi$，旁瓣为 $-53\text{dB}$, 但波束更宽。
+- 对于$\psi_0 = 0.4\pi$，旁瓣为 $-53\text{dB}$，但波束更宽。
 
 DPSS 加权的波束方向图参数为:
 
diff --git a/source/images/algolia_logo.svg b/source/images/meta/algolia_logo.svg
similarity index 100%
rename from source/images/algolia_logo.svg
rename to source/images/meta/algolia_logo.svg
diff --git a/source/images/apple-touch-icon-j.png b/source/images/meta/apple-touch-icon-j.png
similarity index 100%
rename from source/images/apple-touch-icon-j.png
rename to source/images/meta/apple-touch-icon-j.png
diff --git a/source/images/apple-touch-icon-next.png b/source/images/meta/apple-touch-icon-next.png
similarity index 100%
rename from source/images/apple-touch-icon-next.png
rename to source/images/meta/apple-touch-icon-next.png
diff --git a/source/images/avatar.gif b/source/images/meta/avatar.gif
similarity index 100%
rename from source/images/avatar.gif
rename to source/images/meta/avatar.gif
diff --git a/source/images/cc-by-nc-nd.svg b/source/images/meta/cc-by-nc-nd.svg
similarity index 100%
rename from source/images/cc-by-nc-nd.svg
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diff --git a/source/images/cc-by-nc-sa.svg b/source/images/meta/cc-by-nc-sa.svg
similarity index 100%
rename from source/images/cc-by-nc-sa.svg
rename to source/images/meta/cc-by-nc-sa.svg
diff --git a/source/images/cc-by-nc.svg b/source/images/meta/cc-by-nc.svg
similarity index 100%
rename from source/images/cc-by-nc.svg
rename to source/images/meta/cc-by-nc.svg
diff --git a/source/images/cc-by-nd.svg b/source/images/meta/cc-by-nd.svg
similarity index 100%
rename from source/images/cc-by-nd.svg
rename to source/images/meta/cc-by-nd.svg
diff --git a/source/images/cc-by-sa.svg b/source/images/meta/cc-by-sa.svg
similarity index 100%
rename from source/images/cc-by-sa.svg
rename to source/images/meta/cc-by-sa.svg
diff --git a/source/images/cc-by.svg b/source/images/meta/cc-by.svg
similarity index 100%
rename from source/images/cc-by.svg
rename to source/images/meta/cc-by.svg
diff --git a/source/images/cc-zero.svg b/source/images/meta/cc-zero.svg
similarity index 100%
rename from source/images/cc-zero.svg
rename to source/images/meta/cc-zero.svg
diff --git a/source/images/favicon-16x16-j.png b/source/images/meta/favicon-16x16-j.png
similarity index 100%
rename from source/images/favicon-16x16-j.png
rename to source/images/meta/favicon-16x16-j.png
diff --git a/source/images/favicon-16x16-josh.png b/source/images/meta/favicon-16x16-josh.png
similarity index 100%
rename from source/images/favicon-16x16-josh.png
rename to source/images/meta/favicon-16x16-josh.png
diff --git a/source/images/favicon-16x16-next.png b/source/images/meta/favicon-16x16-next.png
similarity index 100%
rename from source/images/favicon-16x16-next.png
rename to source/images/meta/favicon-16x16-next.png
diff --git a/source/images/favicon-32x32-j.png b/source/images/meta/favicon-32x32-j.png
similarity index 100%
rename from source/images/favicon-32x32-j.png
rename to source/images/meta/favicon-32x32-j.png
diff --git a/source/images/favicon-32x32-josh.png b/source/images/meta/favicon-32x32-josh.png
similarity index 100%
rename from source/images/favicon-32x32-josh.png
rename to source/images/meta/favicon-32x32-josh.png
diff --git a/source/images/favicon-32x32-next.png b/source/images/meta/favicon-32x32-next.png
similarity index 100%
rename from source/images/favicon-32x32-next.png
rename to source/images/meta/favicon-32x32-next.png
diff --git a/source/images/favicon-j.svg b/source/images/meta/favicon-j.svg
similarity index 100%
rename from source/images/favicon-j.svg
rename to source/images/meta/favicon-j.svg
diff --git a/source/images/josh.jpg b/source/images/meta/josh.jpg
similarity index 100%
rename from source/images/josh.jpg
rename to source/images/meta/josh.jpg
diff --git a/source/images/logo-algolia-nebula-blue-full.svg b/source/images/meta/logo-algolia-nebula-blue-full.svg
similarity index 100%
rename from source/images/logo-algolia-nebula-blue-full.svg
rename to source/images/meta/logo-algolia-nebula-blue-full.svg
diff --git a/source/images/logo.svg b/source/images/meta/logo.svg
similarity index 100%
rename from source/images/logo.svg
rename to source/images/meta/logo.svg
diff --git a/source/images/bg.png b/source/images/misc/bg.png
similarity index 100%
rename from source/images/bg.png
rename to source/images/misc/bg.png
diff --git a/source/images/bg.svg b/source/images/misc/bg.svg
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rename from source/images/bg.svg
rename to source/images/misc/bg.svg
diff --git a/source/images/misc/备案图标.png b/source/images/misc/备案图标.png
new file mode 100644
index 0000000..9f76394
Binary files /dev/null and b/source/images/misc/备案图标.png differ