set default_concurrency_limit & set bs=2 no interactive

acestep/gradio_ui/interfaces/generation.py

@@ -383,6 +383,7 @@ def create_generation_section(dit_handler, llm_handler, init_params=None, langua
                     maximum=8,
                     step=1,
                     scale=1,
+                    interactive=False,
                 )
                 
             # Row 1: DiT Inference Steps, Seed, Audio Format

app.py

@@ -275,7 +275,7 @@ def main():
     
     # Enable queue for multi-user support
     print("Enabling queue for multi-user support...")
-    demo.queue(max_size=20)
+    demo.queue(max_size=20, default_concurrency_limit=1)
     
     # Launch
     print("Launching server on 0.0.0.0:7860...")