diff --git a/config/chat_with_qwen_omni.yaml b/config/chat_with_qwen_omni.yaml
index 7d8bb1fe..6ae76bda 100644
--- a/config/chat_with_qwen_omni.yaml
+++ b/config/chat_with_qwen_omni.yaml
@@ -16,7 +16,7 @@ default:
         module: client/rtc_client/client_handler_rtc
         connection_ttl: 36000
         # max time a session will last for
-        connection_ttl: 900
+        # connection_ttl: 900
       SileroVad:
         module: vad/silerovad/vad_handler_silero
         speaking_threshold: 0.5
@@ -52,10 +52,16 @@ default:
       #   force_create_avatar: false  # Whether to force regenerate digital human data
       #   debug: false  # Whether to enable debug mode
       #   multi_thread_inference: true  # true: use 2 threads to inference (unet, vae), false: use single-thread to inference
+      # LiteAvatar:
+      #   module: avatar/liteavatar/avatar_handler_liteavatar
+      #   avatar_name: ~/.cache/modelscope/hub/models/HumanAIGC-Engineering/LiteAvatarGallery/20250408/sample_data/
+      #   fps: 25
+      #   debug: false
+      #   enable_fast_mode: false
+      #   use_gpu: false
+
       LiteAvatar:
         module: avatar/liteavatar/avatar_handler_liteavatar
         avatar_name: 20250408/sample_data
         fps: 25
-        debug: false
-        enable_fast_mode: false
-        use_gpu: true
+        use_gpu: false
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 2001bbb6..ae99507f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,9 +28,7 @@ dependencies = [
     "tqdm~=4.67.1",
     "typing-extensions~=4.12.2",
     "uvicorn~=0.34.0",
-    "torch==2.8.0",
     "torchvision",
-    "torchaudio",
     "python-dotenv>=1.1.0",
 ]
 
diff --git a/src/handlers/avatar/liteavatar/pyproject.toml b/src/handlers/avatar/liteavatar/pyproject.toml
index a8645d71..9d5f7e51 100644
--- a/src/handlers/avatar/liteavatar/pyproject.toml
+++ b/src/handlers/avatar/liteavatar/pyproject.toml
@@ -13,5 +13,5 @@ dependencies = [
     "typeguard==2.13.3",
     "vector-quantize-pytorch~=1.21.7",
     "vocos~=0.1.0",
-    "onnxruntime-gpu~=1.20.1",
+    "onnxruntime~=1.20.1",
 ]
diff --git a/src/handlers/avatar/liteavatar/shared_memory_buffer_pool.py b/src/handlers/avatar/liteavatar/shared_memory_buffer_pool.py
index 5cf40978..7a6fd06c 100644
--- a/src/handlers/avatar/liteavatar/shared_memory_buffer_pool.py
+++ b/src/handlers/avatar/liteavatar/shared_memory_buffer_pool.py
@@ -160,7 +160,8 @@ def _attach_audio_pool(self, shm_names: List[str]):
             except Exception as e:
                 logger.error(f"Failed to attach to audio buffer {i} ({shm_name}): {e}")
                 self.audio_buffers.append(None)
-        logger.info(f"Audio attached: {len(self.audio_buffers)} buffers, queue: {self.audio_available.qsize()}")
+        qsize = self._safe_qsize(self.audio_available)
+        logger.info(f"Audio attached: {len(self.audio_buffers)} buffers, queue: {qsize}")
     
     def _attach_video_pool(self, shm_names: List[str]):
         """Attach to existing video buffer pool."""
@@ -428,4 +429,3 @@ def __del__(self):
             self.cleanup()
         except Exception as e:
             logger.error(f"Error in __del__: {e}")
-