Update _config.yml

Author: KEVINJ1E

_config.yml

@@ -76,7 +76,7 @@ ga_domain: oldk.us.kg
 # Sidebar settings
 sidebar: true # whether or not using Sidebar.
 sidebar-about-description: "不断学习 無限進步 <br> [Keep Learning, Infinite Progress]"
-sidebar-avatar: https://github.com/kevinj1e.png # use absolute URL, seeing it's used in both `/` and `/about/`
+sidebar-avatar: https://p.sda1.dev/22/dcbd406f898590b45eb9e043d2a65bd9/ok.jpg # use absolute URL, seeing it's used in both `/` and `/about/`
 
 # Featured Tags
 featured-tags: true # whether or not using Feature-Tags