diff --git a/src/lib/mock-data.ts b/src/lib/mock-data.ts
index 8e4f4d5..4efbad3 100644
--- a/src/lib/mock-data.ts
+++ b/src/lib/mock-data.ts
@@ -26,6 +26,7 @@ const CUSTOM_COVERS: ReadonlySet<string> = new Set([
   "003",
   "005",
   "012",
+  "013",
   "014",
   "019",
   "025",
diff --git a/src/lib/tos.ts b/src/lib/tos.ts
index 03674c0..3ce3701 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 = "3";
+const TOS_VERSION = "4";
 
 export function tosUrl(path: string): string {
   const clean = path.replace(/^\/+/, "");