diff --git a/vllm_omni/model_executor/stage_configs/qwen3_tts.yaml b/vllm_omni/model_executor/stage_configs/qwen3_tts.yaml
index 095aafe08..570ed710c 100644
--- a/vllm_omni/model_executor/stage_configs/qwen3_tts.yaml
+++ b/vllm_omni/model_executor/stage_configs/qwen3_tts.yaml
@@ -15,7 +15,7 @@ stage_args:
       scheduler_cls: vllm_omni.core.sched.omni_ar_scheduler.OmniARScheduler
       enforce_eager: false
       trust_remote_code: true
-      async_scheduling: false
+      async_scheduling: true
       enable_prefix_caching: false
       engine_output_type: latent
       gpu_memory_utilization: 0.3
@@ -50,7 +50,7 @@ stage_args:
       scheduler_cls: vllm_omni.core.sched.omni_generation_scheduler.OmniGenerationScheduler
       enforce_eager: true
       trust_remote_code: true
-      async_scheduling: false
+      async_scheduling: true
       enable_prefix_caching: false
       engine_output_type: audio
       gpu_memory_utilization: 0.2
diff --git a/vllm_omni/model_executor/stage_configs/qwen3_tts_batch.yaml b/vllm_omni/model_executor/stage_configs/qwen3_tts_batch.yaml
index d73739109..5236668dc 100644
--- a/vllm_omni/model_executor/stage_configs/qwen3_tts_batch.yaml
+++ b/vllm_omni/model_executor/stage_configs/qwen3_tts_batch.yaml
@@ -19,7 +19,7 @@ stage_args:
       scheduler_cls: vllm_omni.core.sched.omni_ar_scheduler.OmniARScheduler
       enforce_eager: false
       trust_remote_code: true
-      async_scheduling: false
+      async_scheduling: true
       enable_prefix_caching: false
       engine_output_type: latent
       gpu_memory_utilization: 0.3
@@ -54,7 +54,7 @@ stage_args:
       scheduler_cls: vllm_omni.core.sched.omni_generation_scheduler.OmniGenerationScheduler
       enforce_eager: true
       trust_remote_code: true
-      async_scheduling: false
+      async_scheduling: true
       enable_prefix_caching: false
       engine_output_type: audio
       gpu_memory_utilization: 0.2