diff --git a/dlinfer/ops/llm.py b/dlinfer/ops/llm.py
index 7daddba..139065e 100644
--- a/dlinfer/ops/llm.py
+++ b/dlinfer/ops/llm.py
@@ -534,12 +534,12 @@ def weight_quant_matmul(
 @register_custom_op("dlinfer::fused_moe", ["hidden_states"])
 def fused_moe(
     hidden_states: Tensor,
-    top_k: int,
-    topk_ids: Tensor,
-    topk_weights: Tensor,
     gate_up_weights: Tensor,
     down_weights: Tensor,
-    renormalize: bool = False,
+    topk_weights: Tensor,
+    topk_ids: Tensor,
+    topk: int,
+    renormalize: bool,
 ) -> Tensor:
     """
     Implement the Fused Mixture of Experts (MoE) model.
@@ -558,11 +558,11 @@ def fused_moe(
     """
     return vendor_ops_registry["fused_moe"](
         hidden_states,
-        top_k,
-        topk_ids,
-        topk_weights,
         gate_up_weights,
         down_weights,
+        topk_weights,
+        topk_ids,
+        topk,
         renormalize,
     )
 
diff --git a/dlinfer/vendor/ascend/torch_npu_ops.py b/dlinfer/vendor/ascend/torch_npu_ops.py
index 05444df..9a95250 100644
--- a/dlinfer/vendor/ascend/torch_npu_ops.py
+++ b/dlinfer/vendor/ascend/torch_npu_ops.py
@@ -406,11 +406,12 @@ def weight_quant_matmul(
 @register_ops(vendor_ops_registry)
 def fused_moe(
     hidden_states: Tensor,
-    top_k: int,
-    topk_ids: Tensor,
-    topk_weights: Tensor,
     gate_up_weights: Tensor,
     down_weights: Tensor,
+    topk_weights: Tensor,
+    topk_ids: Tensor,
+    top_k: int,
+    renormalize: bool,
 ) -> Tensor:
     seq_length = hidden_states.size(0)
     moe_output = torch.zeros_like(hidden_states)
diff --git a/dlinfer/vendor/maca/maca_ops.py b/dlinfer/vendor/maca/maca_ops.py
index 73df01c..3eb9fb9 100644
--- a/dlinfer/vendor/maca/maca_ops.py
+++ b/dlinfer/vendor/maca/maca_ops.py
@@ -348,14 +348,14 @@ def silu_and_mul(x: Tensor, dim: int = -1) -> Tensor:
 
 @register_ops(vendor_ops_registry)
 def fused_moe(
-    hidden_states: torch.Tensor,
+    hidden_states: Tensor,
+    gate_up_weights: Tensor,
+    down_weights: Tensor,
+    topk_weights: Tensor,
+    topk_ids: Tensor,
     top_k: int,
-    topk_ids: torch.LongTensor,
-    topk_weights: torch.Tensor,
-    gate_up_weights: torch.Tensor,
-    down_weights: torch.Tensor,
-    renormalize: bool = False,
-):
+    renormalize: bool,
+) -> Tensor:
     N = hidden_states.size(0)
     topk_weights = topk_weights.reshape(N, top_k)
     topk_ids = topk_ids.reshape(N, top_k)