diff --git a/speed_profiling/compare_profiling.py b/speed_profiling/compare_profiling.py
index 17c8689b7274b97e1a87d22ffb3ad0070f138019..96f3e7a1291bc69bc5c4152829e6c7bcc5368717 100644
--- a/speed_profiling/compare_profiling.py
+++ b/speed_profiling/compare_profiling.py
@@ -28,7 +28,7 @@ class DataTransformer():
         self.match_keys = [['Op Name', 'TRT Op Name']]
         self._match = self.match_methods.get(match_method)
 
-    def norm_match(self, master_data, match_data_list):
+    def _norm_match(self, master_data, match_data_list):
         """
         @des        对master_data和match_data_list按照节点名字进行模糊匹配
                     基本匹配策略：