diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7fcd2c6..7fd5c8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,21 @@ CYBER STAR(虚拟明星 Top 12 出道选拔)更新日志。新条目写在最上
 
 ---
 
+## v0.3.1 · 2026-05-15 · 13 号(虞浓)氛围图 2 替换
+
+**Commit 信息**
+- Tag 打在: 本次 release commit(`git log -1` 看)
+- 完整 diff: [v0.3.0...v0.3.1](https://gitea.airlabs.art/zyc/UI-UX/compare/v0.3.0...v0.3.1)
+
+**改了什么**
+- 13 号虞浓的氛围图 2 换成新版本(`portraits/013-2.webp`,1440×2560,153KB)
+
+**技术点**
+- TOS cache version `7` → `8`(`src/lib/tos.ts`),浏览器 + CDN 立即拿到新图,不必等 TTL
+- 转换脚本 `_tmp_webp_convert/round3.mjs`,sharp quality 82
+
+---
+
 ## v0.3.0 · 2026-05-15 · 投票模型大改:每日额度 → 终身 12 票
 
 **Commit 信息**
diff --git a/package.json b/package.json
index b78beb4..9e0c39a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cyber-star",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "private": true,
   "scripts": {
     "dev": "next dev",
diff --git a/src/lib/tos.ts b/src/lib/tos.ts
index 0943a61..15b854f 100644
--- a/src/lib/tos.ts
+++ b/src/lib/tos.ts
@@ -14,7 +14,7 @@
  * 立即看到更新后的内容,不必等 TTL 过期或手动 invalidate。
  */
 const TOS_BASE = (process.env.NEXT_PUBLIC_TOS_DOMAIN ?? "").replace(/\/+$/, "");
-const TOS_VERSION = "7";
+const TOS_VERSION = "8";
 
 export function tosUrl(path: string): string {
   const clean = path.replace(/^\/+/, "");