diff --git a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/jdbcTaosdemo/domain/JdbcTaosdemoConfig.java b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/jdbcTaosdemo/domain/JdbcTaosdemoConfig.java
index 82613037dbccd3be1f2c8a85a2f25e7a25ffad01..36745a93941cc690f37d06d9a3662605723bbd2c 100644
--- a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/jdbcTaosdemo/domain/JdbcTaosdemoConfig.java
+++ b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/jdbcTaosdemo/domain/JdbcTaosdemoConfig.java
@@ -14,9 +14,9 @@ public final class JdbcTaosdemoConfig {
     //Destination database. Default is 'test'
     private String dbName = "test";
     //keep
-    private int keep = 3650;
+    private int keep = 36500;
     //days
-    private int days = 10;
+    private int days = 120;
 
     //Super table Name. Default is 'meters'
     private String stbName = "meters";