diff --git a/public/fonts/Athelas-Bold.ttf b/public/fonts/Athelas-Bold.ttf
deleted file mode 100644
index ec990694..00000000
Binary files a/public/fonts/Athelas-Bold.ttf and /dev/null differ
diff --git a/public/fonts/Athelas-Bold.woff2 b/public/fonts/Athelas-Bold.woff2
new file mode 100644
index 00000000..dc895bf8
Binary files /dev/null and b/public/fonts/Athelas-Bold.woff2 differ
diff --git a/public/fonts/Athelas-BoldItalic.ttf b/public/fonts/Athelas-BoldItalic.ttf
deleted file mode 100644
index 6a66f43b..00000000
Binary files a/public/fonts/Athelas-BoldItalic.ttf and /dev/null differ
diff --git a/public/fonts/Athelas-BoldItalic.woff2 b/public/fonts/Athelas-BoldItalic.woff2
new file mode 100644
index 00000000..897aba5f
Binary files /dev/null and b/public/fonts/Athelas-BoldItalic.woff2 differ
diff --git a/public/fonts/Athelas-Regular.ttf b/public/fonts/Athelas-Regular.ttf
deleted file mode 100644
index 4e4dc310..00000000
Binary files a/public/fonts/Athelas-Regular.ttf and /dev/null differ
diff --git a/public/fonts/Athelas-Regular.woff2 b/public/fonts/Athelas-Regular.woff2
new file mode 100644
index 00000000..c579d396
Binary files /dev/null and b/public/fonts/Athelas-Regular.woff2 differ
diff --git a/src/core/fonts.ts b/src/core/fonts.ts
index 0cdc0a53..a56bb8f0 100644
--- a/src/core/fonts.ts
+++ b/src/core/fonts.ts
@@ -25,8 +25,8 @@ const geistMono = Geist_Mono({
 /**
  * Athelas 本地字体。
  *
- * 原始资源：/Users/chase/Documents/cozsweet/fonts/Athelas-*.ttf
- * 放置位置：/public/fonts/Athelas-*.ttf
+ * 原始资源：/Users/chase/Documents/cozsweet/fonts/Athelas-*.woff2
+ * 放置位置：/public/fonts/Athelas-*.woff2
  *
  * 路径计算（`next/font/local` 要求相对路径从调用文件出发）：
  *   src/core/fonts.ts → ../../public/fonts/...
@@ -34,17 +34,17 @@ const geistMono = Geist_Mono({
 const athelas = localFont({
   src: [
     {
-      path: "../../public/fonts/Athelas-Regular.ttf",
+      path: "../../public/fonts/Athelas-Regular.woff2",
       weight: "400",
       style: "normal",
     },
     {
-      path: "../../public/fonts/Athelas-Bold.ttf",
+      path: "../../public/fonts/Athelas-Bold.woff2",
       weight: "700",
       style: "normal",
     },
     {
-      path: "../../public/fonts/Athelas-BoldItalic.ttf",
+      path: "../../public/fonts/Athelas-BoldItalic.woff2",
       weight: "700",
       style: "italic",
     },