diff --git a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/common/utils.py b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/common/utils.py
index 3878d95182bbb81fc7023bc9a4ccde8bbeb74db0..1e82f62fde16206f64229df1ada275f3ca630771 100644
--- a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/common/utils.py
+++ b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/common/utils.py
@@ -103,6 +103,8 @@ class Const:
     FILE_NAME_LENGTH = 255
     DIRECTORY_LENGTH = 4096
     DISTRIBUTED_PREFIX_LENGTH = 60
+    SUMMARY_COLUMN_NUM = 6
+    STACK_COLUMN_NUM = 2
     # env dump path
     ASCEND_WORK_PATH = "ASCEND_WORK_PATH"
     DUMP_DIR = "dump_data"
diff --git a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/compare/acc_compare.py b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/compare/acc_compare.py
index bb39809891611ea0b3d17e660f5841849195b1ff..68fe6c0d7ea6442bc01dfea19cbc97295e174016 100644
--- a/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/compare/acc_compare.py
+++ b/debug/accuracy_tools/ptdbg_ascend/src/python/ptdbg_ascend/compare/acc_compare.py
@@ -237,9 +237,15 @@ def merge_tensor(tensor_list):
 
     for tensor in tensor_list:
         if tensor[0].find("stack_info") != -1:
+            if len(tensor) != Const.STACK_COLUMN_NUM:
+                print_error_log(f"This stack_info data is not complete. {tensor}")
+                raise CompareException(CompareException.INVALID_DATA_ERROR)
             op_dict["stack_info"].append(tensor[1])
             break
         op_dict["op_name"].append(tensor[0])
+        if len(tensor) != Const.SUMMARY_COLUMN_NUM:
+            print_error_log(f"This summary data is not complete. {tensor}")
+            raise CompareException(CompareException.INVALID_DATA_ERROR)    
         if tensor[0].find("input") != -1:
             op_dict["input_struct"].append((tensor[3], tensor[4], tensor[2]))
         elif tensor[0].find("output") != -1: