diff --git a/scripts/onnx/to_onnx.py b/scripts/onnx/to_onnx.py
index b4eb26e3..e26e67be 100644
--- a/scripts/onnx/to_onnx.py
+++ b/scripts/onnx/to_onnx.py
@@ -1,4 +1,5 @@
 import mmap
+import re
 import argparse
 from onnx import TensorProto, NodeProto, save_model
 from onnx.helper import (
@@ -139,7 +140,9 @@ def to_node(self, tensors: list[Tensor]) -> tuple[NodeProto, list[TensorProto]]:
                 ),
                 [],
             )
-        if self.type == "Add":
+        if self.type in ["Add", "Pow", "Sqrt", "Div",
+                         "Mul", "Sub", "Exp", "Log",
+                         "Neg", "Sigmoid"]:
             return (
                 make_node(
                     self.type,
@@ -203,6 +206,58 @@ def to_node(self, tensors: list[Tensor]) -> tuple[NodeProto, list[TensorProto]]:
                 ),
                 [shape],
             )
+        if self.type in ["Gather", "Concat", "Softmax"]:
+            meta = self.meta.split(b"/")
+            axis = int(meta[0])
+            return (
+                make_node(
+                    self.type,
+                    [tensors[i].name for i in self.topo.inputs],
+                    [tensors[self.topo.outputs[0]].name],
+                    self.name,
+                    axis = axis,
+                ),
+                [],
+            )
+        if self.type == "ReduceMean":
+            meta = self.meta.split(b",")
+            keepDims = meta[2] == b"true"
+            axes = [int(x) for x in split_array(meta[0])]
+            return (
+                make_node(
+                    self.type,
+                    [tensors[self.topo.inputs[0]].name],
+                    [tensors[self.topo.outputs[0]].name],
+                    self.name,
+                    axes = axes,
+                    keepdims = keepDims,
+                ),
+                [],
+            )
+        if self.type =="Transpose":
+            meta = [int(x) for x in split_array(self.meta)]
+            return (
+                make_node(
+                    self.type,
+                    [tensors[self.topo.inputs[0]].name],
+                    [tensors[self.topo.outputs[0]].name],
+                    self.name,
+                    perm=meta,
+                ),
+                [],
+            )
+        if self.type == "Slice":
+            # starts, ends, axes, steps = split_array_slice(self.meta)
+            return (
+                make_node(
+                    self.type,
+                    [tensors[i].name for i in self.topo.inputs],
+                    [tensors[self.topo.outputs[0]].name],
+                    self.name,
+                ),
+                [],
+            )
+
         raise ValueError(f"Unsupported operator {self.type}")
 
 def parse_args():
@@ -221,6 +276,15 @@ def parse_args():
 def split_array(arr: bytes):
     return (x for x in arr.strip().strip(b"[").strip(b"]").split())
 
+def split_array_slice(arr: bytes):
+    meta_array = split_array(arr)
+    meta = [list(map(int, re.findall(r'\d+', x))) for x in meta_array]
+    starts = [int(x[0]) for x in meta]
+    ends = [int(x[0] + x[1] * x[2]) for x in meta]
+    axes = [x for x in range(len(meta))]
+    steps = [int(x[2]) for x in meta]
+    return starts, ends, axes, steps
+
 def main():
     path = parse_args()
     info_path = path + "/graph.info"
diff --git a/src/05computation/src/graph.cc b/src/05computation/src/graph.cc
index 92ec95b7..28295719 100644
--- a/src/05computation/src/graph.cc
+++ b/src/05computation/src/graph.cc
@@ -220,8 +220,8 @@ namespace refactor::computation {
     void Graph::optimize() {
         auto graphMutant = GraphMutant(*this);
         std::vector<std::string_view> passes = {
-            "MatMulTransposeFuse",
-            "ConvToMatmul",
+            // "MatMulTransposeFuse",
+            // "ConvToMatmul",
         };
         register_();//all pass insert
         auto g = std::make_shared<GraphMutant>(graphMutant);
diff --git a/src/05computation/src/operators/reduce.cc b/src/05computation/src/operators/reduce.cc
index a3edcd21..f816cdd4 100644
--- a/src/05computation/src/operators/reduce.cc
+++ b/src/05computation/src/operators/reduce.cc
@@ -116,7 +116,7 @@ namespace refactor::computation {
         return std::make_unique<kernel::ReduceCollector>(target, type, axes);
     }
     auto Op::serialize() const noexcept -> std::string {
-        return fmt::format("{}({}/{}, {})",
+        return fmt::format("{}({}, {}, {})",
                            name(),
                            vec2str(axes),
                            rank,
diff --git a/src/07onnx/src/operators/cast.cc b/src/07onnx/src/operators/cast.cc
index ac96c04d..dc6e9b0a 100644
--- a/src/07onnx/src/operators/cast.cc
+++ b/src/07onnx/src/operators/cast.cc
@@ -1,6 +1,7 @@
 #include "computation/operators/cast.h"
 #include "cast.hh"
 #include "common.h"
+#include "computation/operators/identity.h"
 #include <execution>
 
 namespace refactor::onnx {
@@ -30,7 +31,6 @@ namespace refactor::onnx {
 
     auto Op::infer(TensorRefs inputs, InferOptions const &options) const -> InferResult {
         EXPECT_SIZE(1)
-
         auto const &input = inputs[0];
         auto ans = Tensor::share(to, input.shape, extractDependency(inputs));
         if (!options.shouldCalculate(inputs, {*ans})) {
@@ -116,8 +116,13 @@ namespace refactor::onnx {
         }
         return Ok(Tensors{std::move(ans)});
     }
-    auto Op::lower(TensorRefs) const -> computation::OpBox {
+    auto Op::lower(TensorRefs inputs) const -> computation::OpBox {
         using Op_ = computation::Cast;
+        auto const &input = inputs[0];
+        auto from = input.dataType;
+        if (from == to) {
+            return std::make_unique<computation::Identity>();
+        }
         return std::make_unique<Op_>();
     }
 
diff --git a/src/07onnx/src/operators/mat_mul.cc b/src/07onnx/src/operators/mat_mul.cc
index 7eb26376..9a4be75d 100644
--- a/src/07onnx/src/operators/mat_mul.cc
+++ b/src/07onnx/src/operators/mat_mul.cc
@@ -63,7 +63,7 @@ namespace refactor::onnx {
 
     auto Op::lower(TensorRefs) const -> computation::OpBox {
         using Op_ = computation::MatMul;
-        return std::make_unique<Op_>(1.0, 1.0, false, false);
+        return std::make_unique<Op_>(1.0, 0.0, false, false);
     }
 
 }// namespace refactor::onnx
diff --git a/src/09python_ffi/src/compiler.cc b/src/09python_ffi/src/compiler.cc
index bf04053e..f6d2e9da 100644
--- a/src/09python_ffi/src/compiler.cc
+++ b/src/09python_ffi/src/compiler.cc
@@ -155,7 +155,7 @@ namespace refactor::python_ffi {
             msg += ']';
             RUNTIME_ERROR(std::move(msg));
         }
-        _g.fillEdgeInfo(false);
+        _g.fillEdgeInfo(true);
 
         namespace fs = std::filesystem;
         auto path = fs::path(std::move(path_));