change path to permenant disk

app.py

@@ -51,7 +51,7 @@ except ImportError as e:
 class CheckpointDownloader:
     """Handles downloading of all required checkpoints for HunyuanImage."""
     
-    def __init__(self, base_dir: str = "./ckpts"):
+    def __init__(self, base_dir: str = "/data/ckpts"):
         self.base_dir = Path(base_dir)
         self.base_dir.mkdir(exist_ok=True)