fix check format

routes/generate/index.js

@@ -27,7 +27,7 @@ const IMAGE_SIZES = {
     height: 384,
     width: 512
   },
-  "landscape-16-9": {
+  "landscape-16_9": {
     height: 288,
     width: 512
   }
@@ -50,7 +50,7 @@ module.exports = async function (fastify, opts) {
         .send(file);
     }
 
-    const { height, width } = IMAGE_SIZES[format ?? "square"];
+    const { height, width } = IMAGE_SIZES[format ?? "square"] ?? IMAGE_SIZES["square"];
 
     const hfRequest = await inference.textToImage({
       inputs,