diff --git a/graph_net/torch/fx_graph_parse_util.py b/graph_net/torch/fx_graph_parse_util.py
index d4741a750..0f41f5eed 100755
--- a/graph_net/torch/fx_graph_parse_util.py
+++ b/graph_net/torch/fx_graph_parse_util.py
@@ -166,24 +166,6 @@ def handle_placeholder_name(pattern2replacement):
 
     handle_placeholder_name(pattern2replacement)
 
-    def get_diff_input_names():
-        placeholder_names = set(get_input_names_from_placeholder())
-        return [
-            (i, name)
-            for i, name in enumerate(get_input_names_from_signature())
-            if name not in placeholder_names
-        ]
-
-    diff_input_names = get_diff_input_names()
-    if len(diff_input_names) > 0:
-        first_node = next(iter(traced_module.graph.nodes))
-
-        with traced_module.graph.inserting_before(first_node):
-            for _, name in diff_input_names:
-                traced_module.graph.placeholder(name)
-
-        traced_module.recompile()
-
     def get_zip_filter_names():
         names_from_signature = get_input_names_from_signature()
         names_from_placeholder = get_input_names_from_placeholder()
@@ -198,61 +180,44 @@ def get_zip_filter_names():
         )
 
     def handle_underscore_suffix_difference():
-        zip_filter_names = get_zip_filter_names()
-        if not (len(zip_filter_names) > 0):
-            return
-        names = set(
-            name_in_placeholder
-            for _0, name_in_signature, name_in_placeholder in zip_filter_names
-            if (f"{name_in_signature}_" == name_in_placeholder)
-        )
-        names_in_signature = set(
-            name_in_signature
-            for _0, name_in_signature, name_in_placeholder in zip_filter_names
-        )
-        underscore_suffixed_names_in_signature = set(
-            f"{name_in_signature}_"
-            for _0, name_in_signature, name_in_placeholder in zip_filter_names
-        )
-        if len(names_in_signature & underscore_suffixed_names_in_signature) == 0:
-            disordered_names = set(
-                name_in_placeholder
-                for _0, name_in_signature, name_in_placeholder in zip_filter_names
-                if f"{name_in_signature}_" != name_in_placeholder
-                if name_in_placeholder in underscore_suffixed_names_in_signature
-            )
-            names = names | disordered_names
-        for node in traced_module.graph.nodes:
-            if not (node.op == "placeholder"):
+        ph_nodes = {
+            node.name: node
+            for node in traced_module.graph.nodes
+            if node.op == "placeholder"
+        }
+        sig_names = get_input_names_from_signature()
+        sig_names_set = set(sig_names)
+        for name in sig_names:
+            target_ph_name = f"{name}_"
+            if name in ph_nodes or target_ph_name not in ph_nodes:
                 continue
-            if node.name not in names:
+            if target_ph_name in sig_names_set:
                 continue
-            node.target = node.target[:-1]
-            node.name = node.name[:-1]
+            node = ph_nodes[target_ph_name]
+            node.target = node.name = name
         traced_module.recompile()
 
     handle_underscore_suffix_difference()
 
-    def handle_prefix_difference():
-        zip_filter_names = get_zip_filter_names()
-        if not (len(zip_filter_names) > 0):
-            return
-        names = set(
-            name_in_placeholder
-            for _0, name_in_signature, name_in_placeholder in zip_filter_names
-            if (f"l_{name_in_signature[2:]}" == name_in_placeholder)
-            if (name_in_signature == f"L_{name_in_placeholder[2:]}")
-        )
-        for node in traced_module.graph.nodes:
-            if not (node.op == "placeholder"):
-                continue
-            if node.name not in names:
-                continue
-            node.target = f"L_{node.target[2:]}"
-            node.name = f"L_{node.name[2:]}"
-        traced_module.recompile()
+    def get_diff_input_names():
+        placeholder_names = set(get_input_names_from_placeholder())
+        return [
+            (i, name)
+            for i, name in enumerate(get_input_names_from_signature())
+            if name not in placeholder_names
+        ]
 
-    handle_prefix_difference()
+    if len(inputs) > len(traced_sample_inputs):
+        diff_input_names = get_diff_input_names()
+        first_node = next(iter(traced_module.graph.nodes))
+        for _, name in diff_input_names:
+            if name.startswith("l_"):
+                name = "L_" + name[2:]
+            with traced_module.graph.inserting_before(first_node):
+                new_node = traced_module.graph.placeholder(name)
+                new_node.name = name
+                new_node.target = name
+        traced_module.recompile()
 
     if len(get_zip_filter_names()) > 0 and set(get_input_names_from_signature()) == set(
         get_input_names_from_placeholder()