diff --git a/graph_net/tools/typical_sequence_decompose.sh b/graph_net/tools/typical_sequence_decompose.sh
index 5c9150cec..db7f826cc 100755
--- a/graph_net/tools/typical_sequence_decompose.sh
+++ b/graph_net/tools/typical_sequence_decompose.sh
@@ -68,6 +68,7 @@ python3 -m graph_net.model_path_handler \
     "handler_path": "$GRAPH_NET_ROOT/graph_net/torch/graph_variable_renamer.py",
     "handler_class_name": "GraphVariableRenamer",
     "handler_config": {
+        "resume": true,
         "model_path_prefix": "$DECOMPOSE_WORKSPACE",
         "data_input_predicator_filepath": "$GRAPH_NET_ROOT/graph_net/torch/constraint_util.py",
         "data_input_predicator_class_name": "NaiveDataInputPredicator",
diff --git a/graph_net/torch/graph_decomposer.py b/graph_net/torch/graph_decomposer.py
index ed01cb5b6..dba668801 100644
--- a/graph_net/torch/graph_decomposer.py
+++ b/graph_net/torch/graph_decomposer.py
@@ -3,6 +3,7 @@
 from pathlib import Path
 import torch
 import json
+import sys
 from graph_net.torch.decompose_util import convert_to_submodules_graph
 from graph_net.torch.extractor import GraphExtractor as BuiltinGraphExtractor
 import graph_net.imp_util as imp_util
@@ -209,6 +210,12 @@ def __call__(self, rel_model_path):
         )
         model_path = os.path.join(self.config["model_path_prefix"], rel_model_path)
         split_results = load_json(self.config["split_results_path"])
+        if (
+            split_results[rel_model_path]["split_positions"] is None
+            or len(split_results[rel_model_path]["split_positions"]) == 0
+        ):
+            sys.stderr.write(f"Error: {rel_model_path} has no split positions.\n")
+            return
         split_positions = split_results[rel_model_path]["split_positions"]
         if self.config["resume"] and self._is_model_handled(
             rel_model_path, split_positions
diff --git a/graph_net/torch/graph_variable_renamer.py b/graph_net/torch/graph_variable_renamer.py
index e8e58712b..ae11f0242 100755
--- a/graph_net/torch/graph_variable_renamer.py
+++ b/graph_net/torch/graph_variable_renamer.py
@@ -2,6 +2,7 @@
 import torch
 import shutil
 import inspect
+import tempfile
 from graph_net.torch.fx_graph_module_util import get_torch_module_and_inputs
 from graph_net.torch.fx_graph_parse_util import parse_sole_graph_module
 from graph_net.tensor_meta import TensorMeta
@@ -37,8 +38,9 @@ def _make_model_runnable_predicator(self, config):
 
     def _make_config(
         self,
-        data_input_predicator_filepath,
-        model_runnable_predicator_filepath,
+        resume: bool = False,
+        data_input_predicator_filepath=None,
+        model_runnable_predicator_filepath=None,
         output_dir="./tmp/graph_variable_renamer_dir",
         filter_path=None,
         filter_config=None,
@@ -59,6 +61,7 @@ def _make_config(
         if model_runnable_predicator_config is None:
             model_runnable_predicator_config = {}
         return {
+            "resume": resume,
             "output_dir": output_dir,
             "filter_path": filter_path,
             "filter_config": filter_config if filter_config is not None else {},
@@ -82,12 +85,20 @@ def __call__(self, rel_model_path):
         dst_model_path = os.path.realpath(
             os.path.join(self.config["output_dir"], rel_model_path)
         )
+        if self.config["resume"] and os.path.exists(
+            os.path.join(dst_model_path, "model.py")
+        ):
+            return
         Path(dst_model_path).parent.mkdir(parents=True, exist_ok=True)
-        shutil.copytree(src_model_path, dst_model_path, dirs_exist_ok=True)
-        self._update_model_py_file(gm, dst_model_path)
-        self._update_weight_meta_py_file(src_model_path, dst_model_path)
-        self._update_input_meta_py_file(src_model_path, dst_model_path)
-        self._try_run(dst_model_path)
+        with tempfile.TemporaryDirectory(prefix="graph_variable_renamer_") as temp_dir:
+            temp_model_path = os.path.join(temp_dir, os.path.basename(dst_model_path))
+            shutil.copytree(src_model_path, temp_model_path, dirs_exist_ok=True)
+            self._update_model_py_file(gm, temp_model_path)
+            self._update_weight_meta_py_file(src_model_path, temp_model_path)
+            self._update_input_meta_py_file(src_model_path, temp_model_path)
+            print("Try to run renamed model...")
+            self._try_run(temp_model_path)
+            shutil.copytree(temp_model_path, dst_model_path)
 
     def _try_run(self, model_path):
         assert self.model_runnable_predicator(
diff --git a/graph_net/torch/typical_sequence_split_points.py b/graph_net/torch/typical_sequence_split_points.py
index dc0f669d4..aeece76d0 100644
--- a/graph_net/torch/typical_sequence_split_points.py
+++ b/graph_net/torch/typical_sequence_split_points.py
@@ -116,7 +116,9 @@ def _resolve_token_to_ops(
         return [f"Unknown({tid})"]
 
     def _load_op_names_from_file(self, txt_path: Path) -> List[str]:
-        assert txt_path.exists(), f"{str(txt_path)=}"
+        if not txt_path.exists():
+            print(f"File not found: {txt_path}")
+            return []
         return txt_path.read_text().split("\n")
 
     def _calculate_token_lengths(