diff --git a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/JdbcTaosdemoConfig.java b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/JdbcTaosdemoConfig.java
index 650eff9945..f9bd4bca28 100644
--- a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/JdbcTaosdemoConfig.java
+++ b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/JdbcTaosdemoConfig.java
@@ -24,7 +24,7 @@ public final class JdbcTaosdemoConfig {
     //sub table
     public String prefixOfTable = "t";
     // insert task
-    public boolean autoCreateTable = true;
+    public boolean autoCreateTable;
     public long numOfTables = 10;
     public long numOfRowsPerTable = 10;
     public int numOfTablesPerSQL = 1;