diff --git a/src/Nncase.Importer/Onnx/MatMul.cs b/src/Nncase.Importer/Onnx/MatMul.cs
index 5f7a354593..40845a91ea 100644
--- a/src/Nncase.Importer/Onnx/MatMul.cs
+++ b/src/Nncase.Importer/Onnx/MatMul.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using Nncase.IR;
+using Nncase.IR.Tensors;
 using Onnx;
 using F = Nncase.IR.F;
 
@@ -13,10 +14,59 @@ public partial class OnnxImporter
         private Expr VisitMatMul(in NodeProto op)
         {
             var (a, b) = GetInputExprs(op, 0, 1);
-            var matmul = IR.F.Math.MatMul(a, b);
-            List<string> outputNames = new() { op.Output[0] };
-            matmul.Metadata.OutputNames = outputNames;
-            return matmul;
+            // /mlp_2/Mul_output_0、/mlp_3/Mul_output_0、/mlp_21/Mul_output_0
+            if (a.Metadata.OutputNames![0] == "/mlp_2/Mul_output_0")
+            {
+                Console.WriteLine("split mlp_2/Mul_output_0");
+                var a_a = F.Tensors.Slice(a, new int[] { 0 }, new int[] { 813 }, new int[] { 2 }, new int[] { 1 });
+                var b_a = F.Tensors.Slice(a, new int[] { 813 }, new int[] { 814 }, new int[] { 2 }, new int[] { 1 });
+                var c_a = F.Tensors.Slice(a, new int[] { 814 }, new int[] { -1 }, new int[] { 2 }, new int[] { 1 });
+
+                var a_b = F.Tensors.Slice(b, new int[] { 0 }, new int[] { 813 }, new int[] { 0 }, new int[] { 1 });
+                var b_b = F.Tensors.Slice(b, new int[] { 813 }, new int[] { 814 }, new int[] { 0 }, new int[] { 1 });
+                var c_b = F.Tensors.Slice(b, new int[] { 814 }, new int[] { -1 }, new int[] { 0 }, new int[] { 1 });
+                var new_a = F.Math.MatMul(a_a, a_b);
+                var new_b = F.Math.MatMul(b_a, b_b);
+                var new_c = F.Math.MatMul(c_a, c_b);
+                return F.Math.Add(new_a, F.Math.Add(new_c, new_b));
+            }
+            else if (a.Metadata.OutputNames![0] == "/mlp_3/Mul_output_0")
+            {
+                Console.WriteLine("split mlp_3/Mul_output_0");
+                var a_a = F.Tensors.Slice(a, new int[] { 0 }, new int[] { 2247 }, new int[] { 2 }, new int[] { 1 });
+                var b_a = F.Tensors.Slice(a, new int[] { 2247 }, new int[] { 2248 }, new int[] { 2 }, new int[] { 1 });
+                var c_a = F.Tensors.Slice(a, new int[] { 2248 }, new int[] { -1 }, new int[] { 2 }, new int[] { 1 });
+
+                var a_b = F.Tensors.Slice(b, new int[] { 0 }, new int[] { 2247 }, new int[] { 0 }, new int[] { 1 });
+                var b_b = F.Tensors.Slice(b, new int[] { 2247 }, new int[] { 2248 }, new int[] { 0 }, new int[] { 1 });
+                var c_b = F.Tensors.Slice(b, new int[] { 2248 }, new int[] { -1 }, new int[] { 0 }, new int[] { 1 });
+                var new_a = F.Math.MatMul(a_a, a_b);
+                var new_b = F.Math.MatMul(b_a, b_b);
+                var new_c = F.Math.MatMul(c_a, c_b);
+                return F.Math.Add(new_a, F.Math.Add(new_c, new_b));
+            }
+            else if (a.Metadata.OutputNames![0] == "/mlp_21/Mul_output_0")
+            {
+                Console.WriteLine("split mlp_21/Mul_output_0");
+                var a_a = F.Tensors.Slice(a, new int[] { 0 }, new int[] { 567 }, new int[] { 2 }, new int[] { 1 });
+                var b_a = F.Tensors.Slice(a, new int[] { 567 }, new int[] { 568 }, new int[] { 2 }, new int[] { 1 });
+                var c_a = F.Tensors.Slice(a, new int[] { 568 }, new int[] { -1 }, new int[] { 2 }, new int[] { 1 });
+
+                var a_b = F.Tensors.Slice(b, new int[] { 0 }, new int[] { 567 }, new int[] { 0 }, new int[] { 1 });
+                var b_b = F.Tensors.Slice(b, new int[] { 567 }, new int[] { 568 }, new int[] { 0 }, new int[] { 1 });
+                var c_b = F.Tensors.Slice(b, new int[] { 568 }, new int[] { -1 }, new int[] { 0 }, new int[] { 1 });
+                var new_a = F.Math.MatMul(a_a, a_b);
+                var new_b = F.Math.MatMul(b_a, b_b);
+                var new_c = F.Math.MatMul(c_a, c_b);
+                return F.Math.Add(new_a, F.Math.Add(new_c, new_b));
+            }
+            else
+            {
+                var matmul = IR.F.Math.MatMul(a, b);
+                List<string> outputNames = new() { op.Output[0] };
+                matmul.Metadata.OutputNames = outputNames;
+                return matmul;
+            }
         }
     }
 }