diff --git a/regression-test/suites/correctness/test_time_diff_microseconds.groovy b/regression-test/suites/correctness/test_time_diff_microseconds.groovy
index e754515250bc0a..335a237ddd5284 100644
--- a/regression-test/suites/correctness/test_time_diff_microseconds.groovy
+++ b/regression-test/suites/correctness/test_time_diff_microseconds.groovy
@@ -43,6 +43,7 @@ suite("test_time_diff_microseconds") {
     """
 
     sql """set enable_nereids_planner=false"""
+    sql """set enable_fold_constant_by_be=false"""
 
     qt_select1 """
         select timediff(t1,t2) from tbl_time order by id
@@ -68,6 +69,7 @@ suite("test_time_diff_microseconds") {
     """
 
     sql """set enable_nereids_planner=true """
+    sql """set enable_fold_constant_by_be=true"""
     sql """set enable_fallback_to_original_planner=false"""
     
     qt_select5 """
diff --git a/regression-test/suites/job_p0/test_base_insert_job.groovy b/regression-test/suites/job_p0/test_base_insert_job.groovy
index b4400e89f2dff8..760520ae5f627c 100644
--- a/regression-test/suites/job_p0/test_base_insert_job.groovy
+++ b/regression-test/suites/job_p0/test_base_insert_job.groovy
@@ -25,6 +25,7 @@ suite("test_base_insert_job") {
     def jobName = "insert_recovery_test_base_insert_job"
     def jobMixedName = "Insert_recovery_Test_base_insert_job"
     sql """drop table if exists `${tableName}` force"""
+    sql """set enable_fold_constant_by_be = false;"""
     sql """
         DROP JOB IF EXISTS where jobname =  '${jobName}'
     """