diff --git a/padiff/abstracts/marker.py b/padiff/abstracts/marker.py
index b285e4a..7f00a00 100644
--- a/padiff/abstracts/marker.py
+++ b/padiff/abstracts/marker.py
@@ -62,7 +62,7 @@ def update_unassigned_weights_list(self, layers, mode="all"):
 
     def set_layer_map(self, layer_map):
         _layer_map = []
-        for layer in self.traversal_for_assign_weight():
+        for layer in self.traversal_for_layer_map():
             if layer.model in layer_map:
                 self.unassigned_weights_list_recursively.add(layer.model)
                 _layer_map.append(layer)
@@ -79,7 +79,7 @@ def auto_layer_map(self, model_place):
         registered = init_pool.registered_base_models if model_place == "base" else init_pool.registered_raw_models
 
         log("Auto set layer_map start searching...")
-        for layer in self.traversal_for_auto_layer_map():
+        for layer in self.traversal_for_layer_map():
             if layer.fullname in registered:
                 print(f"++++    {model_place}_model found `{layer.fullname}` add to layer_map   ++++")
                 _layer_map.append(layer)
@@ -105,11 +105,14 @@ def traversal_for_hook(self):
     def traversal_for_assign_weight(self):
         yield self.proxy_model
         for model in traversal_for_assign_weight(self.proxy_model, self):
-            if len(list(model.parameters(recursively=False))) == 0:
+            if (
+                model.model not in self.unassigned_weights_list_recursively
+                and len(list(model.parameters(recursively=False))) == 0
+            ):
                 continue
             yield model
 
-    def traversal_for_auto_layer_map(self):
+    def traversal_for_layer_map(self):
         yield self.proxy_model
         for model in traversal_for_assign_weight(self.proxy_model, self):
             yield model
diff --git a/padiff/report/hooks.py b/padiff/report/hooks.py
index d8d2367..2746005 100644
--- a/padiff/report/hooks.py
+++ b/padiff/report/hooks.py
@@ -22,6 +22,7 @@
     for_each_grad_tensor,
     extract_frame_summary,
 )
+from paddle.utils import to_sequence
 import json
 import numpy
 import paddle
@@ -133,8 +134,7 @@ def info_hook(model, input, output, net_id):
         # two report_item with same id, the step_idx should be corresponded
         step_idx = len(list(filter(lambda x: x.type == "forward" and x.net_id == net_id, report.items))) - 1
         base_report_node = find_base_report_node(net_id, step_idx)
-
-        retval = map_structure_and_replace_key(replace_forward_output(base_report_node), output, output)
+        retval = map_structure_and_replace_key(replace_forward_output(base_report_node), to_sequence(output), output)
         __in_info_hook__ = False
         return retval
     else:
@@ -158,7 +158,7 @@ def tensor_hook(x_grad, bwd_item, nth_tensor, net_id):
         )
         base_report_node = find_base_report_node(net_id, step_idx)
 
-        value = numpy.load(base_report_node["bwd_grads"][nth_tensor])
+        value = numpy.load(base_report_node["bwd_grads"][nth_tensor]["path"])
         if isinstance(x_grad, paddle.Tensor):
             return paddle.to_tensor(value)
         else:
@@ -259,7 +259,7 @@ def inner(input_):
                 raise RuntimeError(
                     "In single step mode, try to replace tensor by dumpped numpy value, but the number of tensors and numpy is not equal. Maybe the models are not corresponded."
                 )
-            value = numpy.load(numpy_file_list[cur_idx])
+            value = numpy.load(numpy_file_list[cur_idx]["path"])
             if isinstance(input_, paddle.Tensor):
                 return paddle.to_tensor(value)
             else:
diff --git a/padiff/utils.py b/padiff/utils.py
index eb2d77f..d3960f0 100644
--- a/padiff/utils.py
+++ b/padiff/utils.py
@@ -21,7 +21,7 @@
 import torch
 
 
-from paddle.utils import flatten, pack_sequence_as, map_structure
+from paddle.utils import flatten, map_structure, pack_sequence_as
 
 
 """
diff --git a/tests/padiff_unittests.py b/tests/padiff_unittests.py
index fec933b..9f88d8c 100644
--- a/tests/padiff_unittests.py
+++ b/tests/padiff_unittests.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import os
+import sys
 import subprocess
 
 
@@ -25,6 +26,7 @@
                 err_info = f"*** ===================== {fpath} ========================= ***\n"
                 err_info += f"{output}\n"
                 print(f"Failed on unittest {fname} with error message \n {err_info}.", end="\n", flush=True)
+                sys.exit(1)
             else:
                 print(f"Succeed on unittest {fname}.", end="\n", flush=True)
             os.system("rm -rf ./tests/padiff_dump ./tests/padiff_log")
diff --git a/tests/test_api_to_Layer.py b/tests/test_api_to_Layer.py
index 6a546c6..2e35735 100644
--- a/tests/test_api_to_Layer.py
+++ b/tests/test_api_to_Layer.py
@@ -61,9 +61,7 @@ def test_api_to_Layer(self):
         inp = paddle.rand((100, 100), dtype="float32")
 
         layer(inp)
-        layer.report
-
-        assert len(layer.report.items) == 12
+        assert len(layer.report.items) == 10
 
 
 if __name__ == "__main__":