diff --git a/src/llamafactory/v1/plugins/model_plugins/kernels/ops/mlp/npu_fused_moe.py b/src/llamafactory/v1/plugins/model_plugins/kernels/ops/mlp/npu_fused_moe.py
index 62854777d..7b4e29269 100644
--- a/src/llamafactory/v1/plugins/model_plugins/kernels/ops/mlp/npu_fused_moe.py
+++ b/src/llamafactory/v1/plugins/model_plugins/kernels/ops/mlp/npu_fused_moe.py
@@ -324,7 +324,7 @@ class NpuFusedMoEKernel(BaseKernel):
         if not cls.check_deps():
             raise RuntimeError("torch_npu is not available but NpuMoEFusedMoEKernel was called.")
 
-        archs = getattr(model.config, "architectures", [])
+        archs = getattr(model.config, "architectures", None) or []
         target_moe_mapping = None
         for arch in archs:
             if arch in kernel_moe_mapping: