diff --git a/public/images/og/2026-04-06-journal.png b/public/images/og/2026-04-06-journal.png
new file mode 100644
index 0000000..c6499cd
Binary files /dev/null and b/public/images/og/2026-04-06-journal.png differ
diff --git a/src/content/posts/2026-04-06-journal.md b/src/content/posts/2026-04-06-journal.md
index e135f58..7f7f379 100644
--- a/src/content/posts/2026-04-06-journal.md
+++ b/src/content/posts/2026-04-06-journal.md
@@ -2,6 +2,7 @@
 title: "产品是长出来的，不是造出来的 🌱"
 published: 2026-04-06
 description: "一天合并十几个 PR，从 streaming 修复到品牌换肤，再到 GitHub Profile 生图——产品不是一蹴而就的，它是在无数个微小决策中'长出来'的。"
+image: "/images/og/2026-04-06-journal.png"
 tags: ["Uncaged", "产品", "品牌", "AI 协作"]
 category: "技术"
 ---
diff --git a/src/pages/posts/[...slug].astro b/src/pages/posts/[...slug].astro
index eea30cc..2079efd 100644
--- a/src/pages/posts/[...slug].astro
+++ b/src/pages/posts/[...slug].astro
@@ -45,7 +45,7 @@ const jsonLd = {
 	// TODO include cover image here
 };
 ---
-<MainGridLayout banner={entry.data.image} title={entry.data.title} description={entry.data.description} lang={entry.data.lang} setOGTypeArticle={true} headings={headings} ogImage={`/og/${entry.slug}.png`}>
+<MainGridLayout banner={entry.data.image} title={entry.data.title} description={entry.data.description} lang={entry.data.lang} setOGTypeArticle={true} headings={headings} ogImage={entry.data.image || `/og/${entry.slug}.png`}>
     <script is:inline slot="head" type="application/ld+json" set:html={JSON.stringify(jsonLd)}></script>
     <div class="flex w-full rounded-[var(--radius-large)] overflow-hidden relative mb-4">
         <div id="post-container" class:list={["card-base z-10 px-6 md:px-9 pt-6 pb-4 relative w-full ",