diff --git a/config.toml b/config.toml
index 7980815e5e6f97d772a34bf057ecdaaf929bcdea..db11c80da8e7d5f8cd04778f19a452dbdc8716ce 100644
--- a/config.toml
+++ b/config.toml
@@ -1,7 +1,7 @@
 baseURL = "https://COPU.gitcode.host/copu/"
 #baseURL = "/"
 Languages = "zh-cn"
-title = "开源软件推进联盟"
+title = "中国开源软件推进联盟"
 
 theme = ["dot","hugo-theme-pdf-js"]
 
@@ -16,7 +16,7 @@ logo = ""
 # logo white is for homepage logo, you can use colorful logo too...
 logo_white = ""
 # when logo is empty, it will shown your site title
-copyright = "[开源软件推进联盟](https://codechina.csdn.net/COPU) © 2020 a Hugo theme by [Gethugothemes](https://gethugothemes.com/)"
+copyright = "[中国开源软件推进联盟](https://codechina.csdn.net/COPU) © 2020 a Hugo theme by [Gethugothemes](https://gethugothemes.com/)"
 
 
 
@@ -52,8 +52,8 @@ link = "https://codechina.csdn.net/COPU"
 
 # banner
 [params.banner]
-title = "开源软件推进联盟"
-# subtitle = "开源软件推进联盟"
+title = "中国开源软件推进联盟"
+# subtitle = "中国开源软件推进联盟"
 # bg_image = "images/banner.jpg"
 placeholder = "输入关键词查找文集"
 
@@ -72,7 +72,7 @@ placeholder = "输入关键词查找文集"
 ################## navigation #################
 [[menu.main]]
   name = "蓝皮书"
-  url = "/开源发展蓝皮书/18/"
+  url = "/开源发展蓝皮书/"
   weight = 1
 
 [[menu.main]]
diff --git "a/content/\345\274\200\346\272\220\345\217\221\345\261\225\350\223\235\347\232\256\344\271\246/_index.md" "b/content/\345\274\200\346\272\220\345\217\221\345\261\225\350\223\235\347\232\256\344\271\246/_index.md"
index 29196850e73b0b3d65fddd681a1ceb2c085c05b6..0d0f60bf30bd8f4ce493fcefe276cfce03895753 100644
--- "a/content/\345\274\200\346\272\220\345\217\221\345\261\225\350\223\235\347\232\256\344\271\246/_index.md"
+++ "b/content/\345\274\200\346\272\220\345\217\221\345\261\225\350\223\235\347\232\256\344\271\246/_index.md"
@@ -1,7 +1,7 @@
 ---
 title: "2021中国开源发展蓝皮书"
-date: 2018-12-29
-lastmod: 2020-01-05
+date: 2021-03-29
+lastmod: 2021-04-27
 weight: 1
 type: docs
 icon: #
@@ -12,6 +12,6 @@ icon: #
 
 中国开源软件推进联盟
 
-<p style="text-align:right">去 <a href="https://codechina.csdn.net/COPU/copu" target="_blank">CODE CHINA 下载 PDF 完整版</a></p>
+<p style="text-align:right"><a href="https://codechina.csdn.net/COPU/copu/-/blob/master/static/images/开源蓝皮书.pdf" target="_blank">去 CODE CHINA 下载 PDF 完整版</a></p>
 
-{{< embed-pdf-view url="/images/深度信息技术专辑第一期.pdf" >}}
\ No newline at end of file
+{{< embed-pdf-view url="/images/开源蓝皮书.pdf" >}}
\ No newline at end of file
diff --git a/static/images/banner.jpg b/static/images/banner.jpg
deleted file mode 100644
index 690f1b6ea5abb5aa1bf3e1f30edb7aaf413263fe..0000000000000000000000000000000000000000
Binary files a/static/images/banner.jpg and /dev/null differ
diff --git "a/static/images/\345\274\200\346\272\220\350\223\235\347\232\256\344\271\246.pdf" "b/static/images/\345\274\200\346\272\220\350\223\235\347\232\256\344\271\246.pdf"
new file mode 100644
index 0000000000000000000000000000000000000000..40e517484b42b9963645ed81c46f4e532318ecb8
Binary files /dev/null and "b/static/images/\345\274\200\346\272\220\350\223\235\347\232\256\344\271\246.pdf" differ
diff --git a/themes/dot/layouts/partials/default.html b/themes/dot/layouts/partials/default.html
index 001555f9b73c7573758d84ba70edea54b9c66d8d..f98070a349834bd256d996fcaad4efbdc98408ef 100644
--- a/themes/dot/layouts/partials/default.html
+++ b/themes/dot/layouts/partials/default.html
@@ -27,7 +27,7 @@
             </ul>
           </div>
           {{ end }}
-          <p class="post-meta border-bottom pb-3 mb-0 mt-3">Updated on {{ .Lastmod.Format "02 Jan 2006" }}</p>
+          <p class="post-meta border-bottom pb-3 mb-0 mt-3">更新于 {{ .Lastmod.Format "2006-01-02" }}</p>
           <nav class="pagination mt-3">
             <!-- Next prev page -->
             {{ $currentNode := . }}