diff --git a/tools/pnnx/src/load_torchscript.cpp b/tools/pnnx/src/load_torchscript.cpp
index 467d7de778c..53c1795f40e 100644
--- a/tools/pnnx/src/load_torchscript.cpp
+++ b/tools/pnnx/src/load_torchscript.cpp
@@ -34,6 +34,26 @@ int64_t cuda_version();
 // #include "pass_level1_class.h"
 namespace pnnx {
 
+static std::string get_modelname(const std::string& path)
+{
+    std::string dirpath;
+    std::string filename;
+
+    size_t dirpos = path.find_last_of("/\\");
+    if (dirpos != std::string::npos)
+    {
+        dirpath = path.substr(0, dirpos + 1);
+        filename = path.substr(dirpos + 1);
+    }
+    else
+    {
+        filename = path;
+    }
+
+    std::string base = filename.substr(0, filename.find_last_of('.'));
+    return base;
+}
+
 static bool fileExists(const std::string& path) {  
     FILE* file = fopen(path.c_str(), "r");  
     if (file) {  
@@ -625,9 +645,9 @@ int load_torchscript(const std::string& ptpath,
 #endif 
 
     fprintf(stderr, "############# pass_level1\n");
-
+    std::string model_name = get_modelname(ptpath);
     pnnx::PassLevel1 pass_level1_class;    
-    pass_level1_class.Process(mod, g, module_operators, pnnx_graph);
+    pass_level1_class.Process(mod, g, module_operators, pnnx_graph, model_name);
     return 0;
 } 
 
diff --git a/tools/pnnx/src/main.cpp b/tools/pnnx/src/main.cpp
index 74556c89c51..cfbab67f6dd 100644
--- a/tools/pnnx/src/main.cpp
+++ b/tools/pnnx/src/main.cpp
@@ -211,7 +211,7 @@ int main(int argc, char** argv)
     std::string ptpath = std::string(argv[1]);
     std::string save_dir = std::string(argv[2]);
     std::string ptbase = get_basename(ptpath);
-
+    
     // std::string pnnxparampath = ptbase + ".pnnx.param";
     // std::string pnnxbinpath = ptbase + ".pnnx.bin";
     // std::string pnnxpypath = ptbase + "_pnnx.py";
@@ -371,8 +371,8 @@ int main(int argc, char** argv)
             main_graph_queue.push(pair.second);
         }        
         std::string graph_name = cur_main_graph->name;
-        if(graph_name == "src")
-            graph_name = "model";
+        // if(graph_name == "src")
+        //     graph_name = "model";
         
         fprintf(stderr, "############# pass_level2 at %s\n", graph_name.c_str());
         pnnx::pass_level2(graph);
@@ -433,8 +433,8 @@ int main(int argc, char** argv)
             
         }        
         std::string graph_name = cur_main_graph2->name;
-        if(graph_name == "src")
-            graph_name = "model";
+        // if(graph_name == "src")
+        //     graph_name = "model";
 
         std::string pnnxparampath = save_dir + "/" + graph_name + ".pnnx.param";
         std::string pnnxbinpath = save_dir + "/" + graph_name + ".pnnx.bin";
diff --git a/tools/pnnx/src/pass_level1.cpp b/tools/pnnx/src/pass_level1.cpp
index 29293eda967..51c6148c5b0 100644
--- a/tools/pnnx/src/pass_level1.cpp
+++ b/tools/pnnx/src/pass_level1.cpp
@@ -114,11 +114,11 @@ static void fuse_moduleop_unpack(std::shared_ptr<Graph>& graph, const std::vecto
 void PassLevel1::Process(const torch::jit::Module& mod,
                 const std::shared_ptr<torch::jit::Graph>& g, 
                 const std::vector<std::string>& module_operators,
-                std::shared_ptr<pnnx::MainGraph>& pnnx_graph)
+                std::shared_ptr<pnnx::MainGraph>& pnnx_graph,
+                std::string& model_name)
 {
     // create main graph
-    std::string main_graph_name = "src";
-    pnnx_graph->create_main_graph(main_graph_name);
+    pnnx_graph->create_main_graph(model_name);
     std::shared_ptr<pnnx::Graph> pg = pnnx_graph->get_main_graph();
     this->_module_operators = module_operators;
 
@@ -485,10 +485,10 @@ void PassLevel1::Process_Loop(const torch::jit::Module& mod,
         pnnx_graph->effective_sub_model_name.push_back(loop_block_name);
         block_num++;
         block_names.push_back(loop_block_name);
-
     }
     
    
+
 }
 
 
diff --git a/tools/pnnx/src/pass_level1.h b/tools/pnnx/src/pass_level1.h
index 6c20a3a011d..0b03e12a92e 100644
--- a/tools/pnnx/src/pass_level1.h
+++ b/tools/pnnx/src/pass_level1.h
@@ -55,7 +55,8 @@ class PassLevel1
     void Process(const torch::jit::Module& mod,
                 const std::shared_ptr<torch::jit::Graph>& g, 
                 const std::vector<std::string>& module_operators,
-                std::shared_ptr<pnnx::MainGraph>& pnnx_graph);
+                std::shared_ptr<pnnx::MainGraph>& pnnx_graph,
+                std::string& model_name);
 private: