diff --git a/proxy.ts b/proxy.ts
index 33e414282..b0ec249ce 100644
--- a/proxy.ts
+++ b/proxy.ts
@@ -263,6 +263,11 @@ export async function proxy(request: NextRequest) {
     return NextResponse.next();
   }
 
+  // 允许第三方生图 API 由外部系统直接调用（具体鉴权由接口内 API Key 负责）
+  if (pathname.startsWith("/api/external/image/")) {
+    return NextResponse.next();
+  }
+
   const token = await resolveToken();
 
   const isPublicPage =