diff --git a/category/get_perf_info.py b/category/get_perf_info.py
index a631303eb455b05ce6e435b0ebd3a61a2cf28223..9067c91952bc18ea05818a31ba0d1d841fb506ae 100644
--- a/category/get_perf_info.py
+++ b/category/get_perf_info.py
@@ -170,6 +170,7 @@ class Perf():
         else:
             return False
         
+        # perf record, perf report ,the default mode
         if self.__enable == PERF_ENABLE_TYPE_1:
             Logger().debug("perf_record_command : {}".format(perf_record_command))
             perf_record_ret, perf_record_res = Command.private_cmd_run(perf_record_command, True)