diff --git a/components/CreatePanel.tsx b/components/CreatePanel.tsx
index 75cdc33..32587b9 100644
--- a/components/CreatePanel.tsx
+++ b/components/CreatePanel.tsx
@@ -690,7 +690,7 @@ export const CreatePanel: React.FC<CreatePanelProps> = ({ onGenerate, isGenerati
                 <input
                   type="range"
                   min="-1"
-                  max="240"
+                  max="600"
                   step="5"
                   value={duration}
                   onChange={(e) => setDuration(Number(e.target.value))}
@@ -1180,7 +1180,7 @@ export const CreatePanel: React.FC<CreatePanelProps> = ({ onGenerate, isGenerati
               <input
                 type="range"
                 min="-1"
-                max="240"
+                max="600"
                 step="5"
                 value={duration}
                 onChange={(e) => setDuration(Number(e.target.value))}
diff --git a/server/src/services/storage/local.ts b/server/src/services/storage/local.ts
index e70fe24..ce36f25 100644
--- a/server/src/services/storage/local.ts
+++ b/server/src/services/storage/local.ts
@@ -18,7 +18,7 @@ export class LocalStorageProvider implements StorageProvider {
     const filepath = path.join(this.audioDir, key);
     await mkdir(path.dirname(filepath), { recursive: true });
     await writeFile(filepath, data);
-    return `/audio/${key}`;
+    return key;
   }
 
   async getUrl(key: string, _expiresIn?: number): Promise<string> {