diff --git a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/dump/dump.py b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/dump/dump.py
index e726d2bc277c6b69a3704d794ad1a748f2655387..df1c97cb5b18d8de3493ba25dfbe7fbf565328e5 100644
--- a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/dump/dump.py
+++ b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/dump/dump.py
@@ -207,12 +207,8 @@ def rename_():
     global rank
     global pkl_name
     if rank is not None and pkl_name is not None:
-        if DumpUtil.target_iter:
-            dir_name = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(os.getpid()))
-            new_name = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(rank))
-        else:
-            dir_name = os.path.join(DumpUtil.dump_root, "rank{}".format(os.getpid()))
-            new_name = os.path.join(DumpUtil.dump_root, "rank{}".format(rank))
+        dir_name = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(os.getpid()))
+        new_name = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(rank))
         if not os.path.exists(new_name) and os.path.exists(dir_name):
             _, file_name = os.path.split(pkl_name)
             os.rename(dir_name, new_name)
@@ -229,11 +225,10 @@ def dump_acc_cmp(name, in_feat, out_feat, dump_step, module):
     if DumpUtil.get_dump_switch():
         global rank
         dump_dir, dump_filename = os.path.split(dump_file)
-        if DumpUtil.target_iter:
-            dump_dir = os.path.join(dump_dir, "step{}".format(DumpUtil.iter_num))
-            if not os.path.exists(dump_dir):
-                Path(dump_dir).mkdir(mode=FileCheckConst.DATA_DIR_AUTHORITY, exist_ok=True)
-            dump_file = os.path.join(dump_dir, dump_filename)
+        dump_dir = os.path.join(dump_dir, "step{}".format(DumpUtil.iter_num))
+        if not os.path.exists(dump_dir):
+            Path(dump_dir).mkdir(mode=FileCheckConst.DATA_DIR_AUTHORITY, exist_ok=True)
+        dump_file = os.path.join(dump_dir, dump_filename)
         rank_this = get_tensor_rank(in_feat, out_feat)
         DumpUtil.dump_root = os.path.dirname(DumpUtil.dump_path)
         if rank_this is not None and rank != rank_this:
@@ -244,10 +239,7 @@ def dump_acc_cmp(name, in_feat, out_feat, dump_step, module):
                     npy_dir = dump_filename[:-4]
                 else:
                     npy_dir = dump_filename
-                if DumpUtil.target_iter:
-                    DumpUtil.dump_data_dir = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(rank), npy_dir)
-                else:
-                    DumpUtil.dump_data_dir = os.path.join(DumpUtil.dump_root, "rank{}".format(rank), npy_dir)
+                DumpUtil.dump_data_dir = os.path.join(DumpUtil.dump_root, "step{}".format(DumpUtil.iter_num), "rank{}".format(rank), npy_dir)
         if DumpUtil.target_rank is not None:
             if rank != DumpUtil.target_rank:
                 return
diff --git a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/hook_module/support_wrap_ops.yaml b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/hook_module/support_wrap_ops.yaml
index 6f800530981ddd742f09e82e9b6e27942b538b0b..92650b03f753130308cbbf5291f4ddcf9211cdb6 100644
--- a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/hook_module/support_wrap_ops.yaml
+++ b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/hook_module/support_wrap_ops.yaml
@@ -272,7 +272,6 @@ tensor:
   - deg2rad
   - deg2rad_
   - det
-  - detach
   - diag
   - diag_embed
   - diagflat
diff --git a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/overflow_check/overflow_check.py b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/overflow_check/overflow_check.py
index 10875743c76161f093c08d959d85b941c48b5115..afa0fea202659619c7df8f4f67e63fd819c48228 100644
--- a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/overflow_check/overflow_check.py
+++ b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/overflow_check/overflow_check.py
@@ -16,6 +16,7 @@ from .utils import OverFlowUtil, dump_overflow, check_overflow_npu, clear_overfl
 from ..dump.utils import DumpUtil, Const, get_tensor_rank, create_dirs_if_not_exist
 from .info_dump import write_api_info_json, ForwardAPIInfo, BackwardAPIInfo
 from ..dump import dump
+from ..common.file_check_util import FileCheckConst
 
 backward_init_status = False
 api_overflow = []
@@ -91,12 +92,11 @@ def overflow_check(name, **kwargs):
             return
         dump_file = DumpUtil.get_dump_path()
         global rank
-        if DumpUtil.target_iter:
-            dump_dir, dump_filename = os.path.split(dump_file)
-            dump_dir = os.path.join(dump_dir, "step{}".format(DumpUtil.iter_num))
-            if not os.path.exists(dump_dir):
-                Path(dump_dir).mkdir(mode=0o750, exist_ok=True)
-            dump_file = os.path.join(dump_dir, dump_filename)
+        dump_dir, dump_filename = os.path.split(dump_file)
+        dump_dir = os.path.join(dump_dir, "step{}".format(DumpUtil.iter_num))
+        if not os.path.exists(dump_dir):
+            Path(dump_dir).mkdir(mode=FileCheckConst.DATA_DIR_AUTHORITY, exist_ok=True)
+        dump_file = os.path.join(dump_dir, dump_filename)
         rank_this = get_tensor_rank(in_feat, out_feat)
         DumpUtil.dump_root = os.path.dirname(DumpUtil.dump_path)
         if rank_this is not None and rank != rank_this: