diff --git a/tests/pytest/table/columnNameCaseSensitive.py b/tests/pytest/table/columnNameCaseSensitive.py
index 036786ae70e0d4d440f5d77371c731bd9202e6d1..e5246e81751b3274005ada5b1c3aa81f88d32cbe 100644
--- a/tests/pytest/table/columnNameCaseSensitive.py
+++ b/tests/pytest/table/columnNameCaseSensitive.py
@@ -40,8 +40,8 @@ class TDTestCase:
         tdSql.checkData(2, 0, 'C1')        
 
         tdSql.execute("insert into tb2(ts, c1) values(now, 1)")
-        tdSql.execute("insert into tb2(ts, `C1`) values(now, 1)")
-        tdSql.execute("insert into tb2(ts, c1, `C1`) values(now, 1, 2)")
+        tdSql.execute("insert into tb2(ts, `C1`) values(now + 1s, 1)")
+        tdSql.execute("insert into tb2(ts, c1, `C1`) values(now + 2s, 1, 2)")
         tdSql.query("select * from tb2")
         tdSql.checkRows(3)
 
@@ -76,8 +76,8 @@ class TDTestCase:
         tdSql.checkData(2, 0, 'C1')
 
         tdSql.execute("insert into `TB2`(ts, c1) values(now, 1)")
-        tdSql.execute("insert into `TB2`(ts, `C1`) values(now, 1)")
-        tdSql.execute("insert into `TB2`(ts, c1, `C1`) values(now, 1, 2)")
+        tdSql.execute("insert into `TB2`(ts, `C1`) values(now + 1s, 1)")
+        tdSql.execute("insert into `TB2`(ts, c1, `C1`) values(now + 2s, 1, 2)")
         tdSql.query("select * from `TB2`")
         tdSql.checkRows(3)
 
@@ -113,8 +113,8 @@ class TDTestCase:
         tdSql.checkData(3, 0, 't1')
 
         tdSql.execute("insert into tt2(ts, c1) using `STB2` tags(1) values(now, 1)")
-        tdSql.execute("insert into tt2(ts, `C1`) using `STB2` tags(1) values(now, 1)")
-        tdSql.execute("insert into tt2(ts, c1, `C1`) using `STB2` tags(1) values(now, 1, 2)")
+        tdSql.execute("insert into tt2(ts, `C1`) using `STB2` tags(1) values(now + 1s, 1)")
+        tdSql.execute("insert into tt2(ts, c1, `C1`) using `STB2` tags(1) values(now + 2s, 1, 2)")
         tdSql.query("select * from `STB2`")
         tdSql.checkRows(3)
 
@@ -142,7 +142,7 @@ class TDTestCase:
 
         # cornor cases
         tdSql.execute("alter table `STB2` add column `数量` int")
-        tdSql.execute("insert into tt3(ts, `数量`) using `STB2` tags(2) values(now, 1)")
+        tdSql.execute("insert into tt3(ts, `数量`) using `STB2` tags(2) values(now + 3s, 1)")
         tdSql.query("select * from tt3")
         tdSql.checkRows(1)
         tdSql.query("select ts `TS` from tt3")
diff --git a/tests/pytest/table/tbNameCaseSensitive.py b/tests/pytest/table/tbNameCaseSensitive.py
index 70d7ee3095b0dcc70215aa20fdafb78608dc3b9f..85e9b7d7206a92f22ba3f89f97095deabac5489a 100644
--- a/tests/pytest/table/tbNameCaseSensitive.py
+++ b/tests/pytest/table/tbNameCaseSensitive.py
@@ -81,7 +81,7 @@ class TDTestCase:
         tdSql.query("select * from `STB`")
         tdSql.checkRows(1)
 
-        tdSql.execute("insert into `T2` using `STB` tags(1) values(now, 1)")
+        tdSql.execute("insert into `T2` using `STB` tags(1) values(now + 1s, 1)")
         tdSql.query("select * from `STB`")
         tdSql.checkRows(2)