diff --git a/tests/pytest/tools/taosdumpTestNanoSupport.py b/tests/pytest/tools/taosdumpTestNanoSupport.py
index 146beb90e5b999664eb3ab119ada96ee26768a2e..7d614543e124519636199d81b1555944272d2def 100644
--- a/tests/pytest/tools/taosdumpTestNanoSupport.py
+++ b/tests/pytest/tools/taosdumpTestNanoSupport.py
@@ -61,7 +61,7 @@ class TDTestCase:
         def build_db(precision, start_time):
             tdSql.execute("drop database if exists timedb1")
             tdSql.execute(
-                "create database timedb1 days 10 keep 365 blocks 8 precision " +
+                "create database timedb1 days 10 keep 36500 blocks 8 precision " +
                 "\"" +
                 precision +
                 "\"")