Update app.py

longer length for zh

app.py

@@ -21,7 +21,7 @@ def inference(raw_image, model_n, strategy):
                 config = GenerationConfig(
                     do_sample=False,
                     num_beams=3,
-                    max_length=20,
+                    max_length=50,
                     min_length=5,
                 )
                 captions = model.generate(**input, generation_config=config)
@@ -29,7 +29,7 @@ def inference(raw_image, model_n, strategy):
                 config = GenerationConfig(
                     do_sample=True,
                     top_p=0.9,
-                    max_length=20,
+                    max_length=50,
                     min_length=5,
                 )
                 captions = model.generate(**input, generation_config=config)