diff --git a/tools/check_file_diff_approvals.sh b/tools/check_file_diff_approvals.sh
index 6e086d9d7ca5897018d78967e3253d2e875627d3..ee282fb294aea6c83704e8d49d50232bbfa23eed 100644
--- a/tools/check_file_diff_approvals.sh
+++ b/tools/check_file_diff_approvals.sh
@@ -428,13 +428,13 @@ RUNTYPE_FILE_CHANGED=`git diff --name-only --diff-filter=AM upstream/$BRANCH|gre
 if [ "${RUNTYPE_FILE_CHANGED}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
     for CMAKELISTS_FILE in ${RUNTYPE_FILE_CHANGED};
     do
-        RUNTYPE_ADD=`git diff -U0 upstream/$BRANCH ${PADDLE_ROOT}/${CMAKELISTS_FILE} |grep "^+" |grep -E "RUN_TYPE=EXCLUSIVE|RUN_TYPE=DIST|RUN_TYPE=NIGHTLY|RUN_TYPE=EXCLUSIVE:NIGHTLY|RUN_TYPE=DIST:NIGHTLY|PROPERTIES[[:space:]]+TIMEOUT" || true`
+        RUNTYPE_ADD=`git diff -U0 upstream/$BRANCH ${PADDLE_ROOT}/${CMAKELISTS_FILE} |grep "^+" |grep -E "SERIAL|RUN_TYPE=EXCLUSIVE|RUN_TYPE=DIST|RUN_TYPE=NIGHTLY|RUN_TYPE=EXCLUSIVE:NIGHTLY|RUN_TYPE=DIST:NIGHTLY|PROPERTIES[[:space:]]+TIMEOUT" || true`
 	if [[ ${RUNTYPE_ADD} != "" ]];then
 	    RUNTYPE_ADD_LINES="${RUNTYPE_ADD_LINES}\n${CMAKELISTS_FILE}\n${RUNTYPE_ADD}\n"
 	fi
     done
     if [[ ${RUNTYPE_ADD_LINES} != "" ]];then
-        echo_line="You must have one QA (XieYunshen(Recommend) or chalsliu) approval for setting parameter RUN_TYPE as EXCLUSIVE, DIST, NIGHTLY, EXCLUSIVE:NIGHTLY or DISTNIGHTLY, or setting TIMEOUT properties.\nThe corresponding lines are as follows:\n${RUNTYPE_ADD_LINES}\nFor more information, please refer to:https://github.com/PaddlePaddle/Paddle/wiki/PaddlePaddle-Unit-test-specification"
+        echo_line="You must have one QA (XieYunshen(Recommend) or chalsliu) approval for setting parameter RUN_TYPE as EXCLUSIVE, DIST, NIGHTLY, EXCLUSIVE:NIGHTLY or DISTNIGHTLY, or setting parameter SERIAL, or setting TIMEOUT properties.\nThe corresponding lines are as follows:\n${RUNTYPE_ADD_LINES}\nFor more information, please refer to:https://github.com/PaddlePaddle/Paddle/wiki/PaddlePaddle-Unit-test-specification"
 	check_approval 1 32428676 45041955
     fi
 fi
diff --git a/tools/final_ut_parallel_rule.py b/tools/final_ut_parallel_rule.py
index a5c9f921148acb639b456ac680e717158cd8b12d..7a25eee71b227fc0238a65059e6c3f37d941e1fa 100644
--- a/tools/final_ut_parallel_rule.py
+++ b/tools/final_ut_parallel_rule.py
@@ -99,6 +99,8 @@ def classify_cases_by_mem(rootPath):
                 continue
             if case in case_always_timeout:
                 no_parallel_case = no_parallel_case + '|^' + case + '$'
+                continue
+
             if case not in new_lastest_mem:
                 continue