diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9a3b3bd..3ad8d49 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,6 +8,8 @@ on:
 
 env:
   EDGEONE_PROJECT_NAME: cloud-blog
+  GIT_DATE: ${{ github.event.head_commit.timestamp || github.event.pusher.date }}
+  GIT_SHA: ${{ github.event.head_commit.id || github.sha }}
 
 jobs:
   build:
diff --git a/app/components/main/footer.vue b/app/components/main/footer.vue
index 493cf41..acb8a1a 100644
--- a/app/components/main/footer.vue
+++ b/app/components/main/footer.vue
@@ -2,7 +2,7 @@
 <!-- eslint-disable vue/no-v-text-v-html-on-component -->
 <template>
   <footer
-    class="text-center mt-auto w-full flex flex-col gap-2 py-8 px-4 border-t border-white/10 dark:border-white/5">
+    class="text-center mt-auto w-full flex flex-col gap-2 py-4 px-4 border-t border-white/10 dark:border-white/5">
     <!-- 一言 -->
     <p v-if="showHitokoto && quote" class="text-text-muted text-sm m-0 italic">
       「{{ quote }}」<span v-if="from" class="ml-1.5">—— {{ from }}</span>
@@ -71,6 +71,12 @@
 
     <!-- eslint-disable-next-line vue/no-v-html -->
     <div v-if="contact?.customHtml" v-html="contact.customHtml"></div>
+
+    <!-- Git build info -->
+    <p v-if="build?.short" class="text-text-muted text-xs m-0">
+      构建自提交：<span :title="build.sha">{{ build.short }}</span>
+      <span v-if="build.date">· {{ build.date }}</span>
+    </p>
   </footer>
 </template>
 
@@ -128,6 +134,10 @@ const isExternal = (url) => {
   return typeof url === "string" && /^https?:\/\//.test(url);
 };
 
+// runtime build info injected from nuxt.config at build time
+const runtimeConfig = useRuntimeConfig();
+const build = runtimeConfig.public?.build || null;
+
 onMounted(() => {
   if (showHitokoto) fetchHitokoto();
 });
diff --git a/app/config/index.ts b/app/config/index.ts
index 78b63cc..9e5db92 100644
--- a/app/config/index.ts
+++ b/app/config/index.ts
@@ -92,7 +92,7 @@ const siteConfig: SiteConfig = {
   },
 
   ad: {
-    enable: true,
+    enable: false,
     ads: [
       {
         body: '<p><span class="inline-flex items-center gap-2">本网站由 <img src="/ads/upyun.png" class="h-7 w-auto" alt="Upyun" /> 提供云存储服务</span></p>',
diff --git a/nuxt.config.ts b/nuxt.config.ts
index d235401..d0ba933 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -1,5 +1,41 @@
 import siteConfig from "./app/config";
 import tailwindcss from "@tailwindcss/vite";
+import { execSync } from "child_process";
+
+// Compute git build info at build time. If git isn't available (e.g. in
+// certain CI environments), fields will be empty strings.
+const runGit = (cmd: string) => {
+  try {
+    return execSync(cmd, { encoding: "utf8" }).trim();
+  } catch (e) {
+    console.error(e);
+    return "";
+  }
+};
+
+const gitSha = runGit("git rev-parse HEAD");
+const gitShort = runGit("git rev-parse --short HEAD");
+const gitMessage = runGit("git log -1 --pretty=%B");
+const gitDate = runGit("git show -s --format=%ci HEAD");
+
+// Prefer build info from environment variables (set by GitHub Actions
+// or custom CI). Supported vars (in priority order):
+// - BUILD_SHA, GITHUB_SHA
+// - BUILD_SHORT, (derived from SHA if missing)
+// - BUILD_MESSAGE
+// - BUILD_DATE
+// Falls back to git-derived values when env vars are not present.
+const envSha = process.env.BUILD_SHA || process.env.GITHUB_SHA || "";
+const envShort = process.env.BUILD_SHORT || (envSha ? envSha.slice(0, 7) : "") || gitShort || "";
+const envMessage = process.env.BUILD_MESSAGE || "";
+const envDate = process.env.BUILD_DATE || "";
+
+const gitBuild = {
+  sha: envSha || gitSha,
+  short: envShort || gitShort,
+  message: envMessage || gitMessage,
+  date: envDate || gitDate,
+};
 
 export default defineNuxtConfig({
   compatibilityDate: "2025-12-20",
@@ -59,8 +95,8 @@ export default defineNuxtConfig({
         { rel: "stylesheet", href: "/fonts/521/main/result.css" },
       ],
     },
-    pageTransition: { name: "page", mode: "out-in" },
-    layoutTransition: { name: "layout", mode: "out-in" },
+    pageTransition: { name: "page", mode: "in-out" },
+    layoutTransition: { name: "layout", mode: "in-out" },
   },
 
   robots: { groups: [{ userAgent: ["GPTBot", "ChatGPT-User"], disallow: ["/"] }] },
@@ -94,11 +130,9 @@ export default defineNuxtConfig({
   },
 
   runtimeConfig: {
-    public: {},
-    // Private server-only settings
-    databaseUrl: process.env.DATABASE_URL || "",
-    jwtSecret: process.env.JWT_SECRET || "",
-    // legacy supabase service role no longer used
+    public: {
+      build: gitBuild,
+    },
   },
 
   postcss: {