diff --git a/app/data/existing-accounts.json b/app/data/existing-accounts.json
index 85f162c..57ced67 100644
--- a/app/data/existing-accounts.json
+++ b/app/data/existing-accounts.json
@@ -6,7 +6,7 @@
     "verified": true,
     "label": "#黄小木",
     "accent": "#263033",
-    "avatar": "/avatars/ai-xiaomu.png"
+    "avatar": "/avatars/ai-xiaomu-2076716603392323584.png"
   },
   {
     "id": "rwayne",
diff --git a/public/avatars/ai-xiaomu-2076716603392323584.png b/public/avatars/ai-xiaomu-2076716603392323584.png
new file mode 100644
index 0000000..28cb7e5
Binary files /dev/null and b/public/avatars/ai-xiaomu-2076716603392323584.png differ
diff --git a/scripts/build-existing-materials.mjs b/scripts/build-existing-materials.mjs
index b2ee22f..53ffe02 100644
--- a/scripts/build-existing-materials.mjs
+++ b/scripts/build-existing-materials.mjs
@@ -25,7 +25,7 @@ const sources = [
 ];
 
 const accounts = [
-  { id: "ai-xiaomu", name: "黄小木", handle: "@ai_xiaomu", verified: true, label: "#黄小木", accent: "#263033", avatar: "/avatars/ai-xiaomu.png" },
+  { id: "ai-xiaomu", name: "黄小木", handle: "@ai_xiaomu", verified: true, label: "#黄小木", accent: "#263033", avatar: "/avatars/ai-xiaomu-2076716603392323584.png" },
   { id: "rwayne", name: "Roland.W", handle: "@rwayne", verified: true, label: "#Roland.W", accent: "#756b92", avatar: "/avatars/rwayne.png" },
   { id: "dashen-wang", name: "AI最严厉的父亲", handle: "@dashen_wang", verified: true, label: "#AI最严厉的父亲", accent: "#1d506b", avatar: "/avatars/dashen-wang.jpg" },
   { id: "ai-jacksaku", name: "阿川 | AI thinking", handle: "@AI_jacksaku", verified: true, label: "#阿川", accent: "#be6b3d", avatar: "/avatars/ai-jacksaku.jpg" },
diff --git a/scripts/server-migration-lib.mjs b/scripts/server-migration-lib.mjs
index 388a802..0483751 100644
--- a/scripts/server-migration-lib.mjs
+++ b/scripts/server-migration-lib.mjs
@@ -6,7 +6,7 @@ import { contentHash, parseXStatusUrl, stableUuid } from "../packages/material-p
 
 export const SOURCE_MAP = new Map([
   ["rwayne", { handle: "rwayne", displayName: "rwayne", avatar: "avatars/rwayne.png" }],
-  ["黄小木", { handle: "ai_xiaomu", displayName: "黄小木", avatar: "avatars/ai-xiaomu.png" }],
+  ["黄小木", { handle: "ai_xiaomu", displayName: "黄小木", avatar: "avatars/ai-xiaomu-2076716603392323584.png" }],
   ["AI最严厉的父亲", { handle: "dashen_wang", displayName: "AI最严厉的父亲", avatar: "avatars/dashen-wang.jpg" }],
   ["阿川 | AI thinking", { handle: "AI_jacksaku", displayName: "阿川 | AI thinking", avatar: "avatars/ai-jacksaku.jpg" }],
 ]);
diff --git a/tests/rendered-html.test.mjs b/tests/rendered-html.test.mjs
index d928964..c72d1ec 100644
--- a/tests/rendered-html.test.mjs
+++ b/tests/rendered-html.test.mjs
@@ -201,7 +201,7 @@ test("removes starter-only preview assets and metadata", async () => {
   assert.equal(accountRecords.length, 4);
   assert.deepEqual(accountRecords.map((item) => item.id), ["ai-xiaomu", "rwayne", "dashen-wang", "ai-jacksaku"]);
   assert.equal(accountRecords.find((item) => item.id === "rwayne").avatar, "/avatars/rwayne.png");
-  assert.equal(accountRecords.find((item) => item.id === "ai-xiaomu").avatar, "/avatars/ai-xiaomu.png");
+  assert.equal(accountRecords.find((item) => item.id === "ai-xiaomu").avatar, "/avatars/ai-xiaomu-2076716603392323584.png");
   assert.equal(accountRecords.find((item) => item.id === "rwayne").label, "#Roland.W");
   assert.equal(accountRecords.find((item) => item.id === "dashen-wang").avatar, "/avatars/dashen-wang.jpg");
   assert.equal(accountRecords.find((item) => item.id === "ai-jacksaku").avatar, "/avatars/ai-jacksaku.jpg");