diff --git a/tests/pytest/import_merge/import_update_1.py b/tests/pytest/import_merge/import_update_1.py
index f313703342..e72de2eb23 100644
--- a/tests/pytest/import_merge/import_update_1.py
+++ b/tests/pytest/import_merge/import_update_1.py
@@ -414,7 +414,7 @@ class TDTestCase:
             tdSql.execute('''insert into regular_table_1 values(%d, %d, %d, %d, %d, false, 'binary%s', 'nchar%s', %f, %f, %d)''' 
                         % (self.ts + i, random.randint(-2147483647, 2147483647), 
                         random.randint(-9223372036854775807, 9223372036854775807), random.randint(-32767, 32767),
-                        random.randint(-127, 127), random.randint(-100, 100), random.randint(-10000, 10000), 
+                        random.randint(-127, 127), random.randint(-99, 99), random.randint(-9999, 9999), 
                         random.uniform(-100000,100000), random.uniform(-1000000000,1000000000), self.ts + i))
 
             tdSql.execute('''insert into table_1 values(%d, %d, %d, %d, %d, 0, 'binary.%s', 'nchar.%s', %f, %f, %d)''' 
@@ -422,7 +422,7 @@ class TDTestCase:
             tdSql.execute('''insert into table_1 values(%d, %d, %d, %d, %d, false, 'binary%s', 'nchar%s', %f, %f, %d)''' 
                         % (self.ts + i, random.randint(-2147483647, 2147483647), 
                         random.randint(-9223372036854775807, 9223372036854775807), random.randint(-32767, 32767),
-                        random.randint(-127, 127), random.randint(-100, 100), random.randint(-10000, 10000), 
+                        random.randint(-127, 127), random.randint(-99, 99), random.randint(-9999, 9999), 
                         random.uniform(-100000,100000), random.uniform(-1000000000,1000000000), self.ts + i))
 
         tdLog.info("========== regular_table ==========")