diff --git a/assets/github.svg b/assets/github.svg
index a8f4221..ab9c465 100644
--- a/assets/github.svg
+++ b/assets/github.svg
@@ -1,5 +1,3 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 100 100" height="1em" width="1em">
-  <g>
-    <path fill-rule="evenodd" clip-rule="evenodd" d="M49.998,11.963C28.461,11.963,11,29.425,11,50.965 c0,17.231,11.172,31.849,26.671,37.003c1.952,0.361,2.662-0.84,2.662-1.877c0-0.924-0.034-3.375-0.051-6.633 c-10.849,2.359-13.138-5.229-13.138-5.229c-1.774-4.505-4.331-5.703-4.331-5.703c-3.541-2.418,0.269-2.371,0.269-2.371 c3.914,0.277,5.974,4.018,5.974,4.018c3.478,5.96,9.129,4.235,11.35,3.243c0.353-2.525,1.363-4.24,2.476-5.217 c-8.659-0.984-17.763-4.33-17.763-19.274c0-4.259,1.519-7.741,4.013-10.468c-0.399-0.982-1.74-4.947,0.383-10.319 c0,0,3.274-1.048,10.726,4.001c3.109-0.869,6.446-1.303,9.763-1.316c3.312,0.014,6.65,0.447,9.763,1.316 c7.447-5.049,10.716-4.001,10.716-4.001c2.128,5.372,0.788,9.337,0.388,10.319c2.5,2.727,4.008,6.209,4.008,10.468 c0,14.979-9.117,18.279-17.805,19.241c1.398,1.205,2.646,3.59,2.646,7.229c0,5.211-0.047,9.416-0.047,10.695 c0,1.045,0.701,2.26,2.681,1.873C77.836,82.798,89,68.191,89,50.965C89,29.425,71.539,11.963,49.998,11.963z"/>
-  </g>
-</svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 1984 2048" height="1em" width="1em">
+  <path d="M663.6 1589.6c0 8-9.2 14.4-20.8 14.4-13.2 1.2-22.4-5.2-22.4-14.4 0-8 9.2-14.4 20.8-14.4 12-1.2 22.4 5.2 22.4 14.4zm-124.4-18c-2.8 8 5.2 17.2 17.2 19.6 10.4 4 22.4 0 24.8-8s-5.2-17.2-17.2-20.8c-10.4-2.8-22 1.2-24.8 9.2zm176.8-6.8c-11.6 2.8-19.6 10.4-18.4 19.6 1.2 8 11.6 13.2 23.6 10.4 11.6-2.8 19.6-10.4 18.4-18.4-1.2-7.6-12-12.8-23.6-11.6zM979.2 32C424.4 32 0 453.2 0 1008c0 443.6 279.2 823.2 678 956.8 51.2 9.2 69.2-22.4 69.2-48.4 0-24.8-1.2-161.6-1.2-245.6 0 0-280 60-338.8-119.2 0 0-45.6-116.4-111.2-146.4 0 0-91.6-62.8 6.4-61.6 0 0 99.6 8 154.4 103.2 87.6 154.4 234.4 110 291.6 83.6 9.2-64 35.2-108.4 64-134.8-223.6-24.8-449.2-57.2-449.2-442 0-110 30.4-165.2 94.4-235.6-10.4-26-44.4-133.2 10.4-271.6 83.6-26 276 108 276 108 80-22.4 166-34 251.2-34s171.2 11.6 251.2 34c0 0 192.4-134.4 276-108 54.8 138.8 20.8 245.6 10.4 271.6 64 70.8 103.2 126 103.2 235.6 0 386-235.6 416.8-459.2 442 36.8 31.6 68 91.6 68 185.6 0 134.8-1.2 301.6-1.2 334.4 0 26 18.4 57.6 69.2 48.4 400-132.8 671.2-512.4 671.2-956 0-554.8-450-976-1004.8-976zM388.8 1411.6c-5.2 4-4 13.2 2.8 20.8 6.4 6.4 15.6 9.2 20.8 4 5.2-4 4-13.2-2.8-20.8-6.4-6.4-15.6-9.2-20.8-4zm-43.2-32.4c-2.8 5.2 1.2 11.6 9.2 15.6 6.4 4 14.4 2.8 17.2-2.8 2.8-5.2-1.2-11.6-9.2-15.6-8-2.4-14.4-1.2-17.2 2.8zm129.6 142.4c-6.4 5.2-4 17.2 5.2 24.8 9.2 9.2 20.8 10.4 26 4 5.2-5.2 2.8-17.2-5.2-24.8-8.8-9.2-20.8-10.4-26-4zm-45.6-58.8c-6.4 4-6.4 14.4 0 23.6 6.4 9.2 17.2 13.2 22.4 9.2 6.4-5.2 6.4-15.6 0-24.8-5.6-9.2-16-13.2-22.4-8z"/>
+</svg>
diff --git a/docs/sublime-text.md b/docs/sublime-text.md
index 0be5919..7f36c8e 100644
--- a/docs/sublime-text.md
+++ b/docs/sublime-text.md
@@ -114,6 +114,16 @@ Sublime Text 备忘清单
 `⇧ ⌃ 2` | 将文件移动到组 2
 <!--rehype:className=shortcuts-->
 
+### 书签
+
+快捷键 | 说明
+---|---
+`Ctrl` `F2`  | 切换书签
+`F2`  | 下一个书签
+`Shift` `F2`  | 上一个书签
+`Ctrl` `Shift` `F2`  | 清除书签
+<!--rehype:className=shortcuts-->
+
 ### 文本操作
 
 快捷键 | 说明
@@ -148,3 +158,4 @@ $ subl README.md
 
 - [Sublime Text 官网](https://www.sublimetext.com/) _(sublimetext.com)_
 - [Sublime 编辑器快捷键](https://jaywcjlove.github.io/handbook/Shortcuts/sublime.html) _(jaywcjlove.github.io)_
+- [Keyboard shortcuts for Sublime Text](http://docs.sublimetext.info/en/latest/reference/keyboard_shortcuts_win.html) _(docs.sublimetext.info)_