diff --git a/themes/stack/assets/scss/variables.scss b/themes/stack/assets/scss/variables.scss
index 766dffc..623e369 100644
--- a/themes/stack/assets/scss/variables.scss
+++ b/themes/stack/assets/scss/variables.scss
@@ -33,7 +33,7 @@
 */
 :root {
     --sys-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Droid Sans", "Helvetica Neue";
-    --base-font-family: "Lato", var(--sys-font-family), sans-serif;
+    --base-font-family: var(--sys-font-family), sans-serif;
     --code-font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
 }
 
diff --git a/themes/stack/layouts/_partials/head/custom-font.html b/themes/stack/layouts/_partials/head/custom-font.html
index 8ab9cb2..6c12d6b 100644
--- a/themes/stack/layouts/_partials/head/custom-font.html
+++ b/themes/stack/layouts/_partials/head/custom-font.html
@@ -1,4 +1,2 @@
-<link rel="preconnect" href="https://fonts.googleapis.com">
-<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link rel="preload" as="style" href="https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap">
-<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap">
+{{- /* 移除 Google Fonts 外部依赖，改用系统字体栈，提升国内加载速度 */ -}}
+{{- /* 原版默认加载 fonts.googleapis.com Lato，导致国内访问慢/阻塞渲染 */ -}}