diff --git a/api/app/services/memory_agent_service.py b/api/app/services/memory_agent_service.py
index 3cfcc1d6..e5c34492 100644
--- a/api/app/services/memory_agent_service.py
+++ b/api/app/services/memory_agent_service.py
@@ -348,7 +348,7 @@ class MemoryAgentService:
         perceptual_serivce = MemoryPerceptualService(db)
         for message in messages:
             message["file_content"] = []
-            for file in message["files"]:
+            for file in (message.get("files") or []):
                 file_object = await perceptual_serivce.generate_perceptual_memory(
                     end_user_id=end_user_id,
                     memory_config=memory_config,
diff --git a/api/app/services/memory_perceptual_service.py b/api/app/services/memory_perceptual_service.py
index effceda7..3ee238e2 100644
--- a/api/app/services/memory_perceptual_service.py
+++ b/api/app/services/memory_perceptual_service.py
@@ -278,7 +278,7 @@ class MemoryPerceptualService:
             files=[file]
         )
         if not file_message:
-            logger.warning(f"Unsupport file type {file}, model capability: {model_config.capability}")
+            business_logger.warning(f"Unsupported file type {file}, model capability: {model_config.capability}")
             return None
         file_message = file_message[0]
         try: