diff --git a/docs/assets/images/sponsor/all-dark.png b/docs/assets/images/sponsor/all-dark.png
index caa8878..93f65b9 100644
Binary files a/docs/assets/images/sponsor/all-dark.png and b/docs/assets/images/sponsor/all-dark.png differ
diff --git a/docs/assets/images/sponsor/all-light.png b/docs/assets/images/sponsor/all-light.png
index 667a10b..d4beb71 100644
Binary files a/docs/assets/images/sponsor/all-light.png and b/docs/assets/images/sponsor/all-light.png differ
diff --git a/docs/assets/images/sponsor/hkgserver-dark.png b/docs/assets/images/sponsor/hkgserver-dark.png
deleted file mode 100644
index 5358461..0000000
Binary files a/docs/assets/images/sponsor/hkgserver-dark.png and /dev/null differ
diff --git a/docs/assets/images/sponsor/hkgserver-light.png b/docs/assets/images/sponsor/hkgserver-light.png
deleted file mode 100644
index a8f2e70..0000000
Binary files a/docs/assets/images/sponsor/hkgserver-light.png and /dev/null differ
diff --git a/docs/sponsor/main.html b/docs/sponsor/main.html
index f94206f..02a298e 100644
--- a/docs/sponsor/main.html
+++ b/docs/sponsor/main.html
@@ -61,11 +61,6 @@
-
-
-
-
-
diff --git a/docs/theme/partials/toc.html b/docs/theme/partials/toc.html
index 2200a2e..22f148a 100644
--- a/docs/theme/partials/toc.html
+++ b/docs/theme/partials/toc.html
@@ -14,7 +14,7 @@
{{'Sponsors' if i18n_page_locale == 'en' else '贊助商' if i18n_page_locale == 'zh-Hant' else '赞助商'}}