diff --git a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
index 63584dbab48bef7d708f8601bcbba4a8df187d15..601956131fe382ee9517315626c1f941f9f94137 100644
--- a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
+++ b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
@@ -85,10 +85,10 @@ public class TaosDemoApplication {
         start = System.currentTimeMillis();
         if (config.doCreateTable) {
             superTableService.create(superTableMeta);
-            if (config.autoCreateTable)
-                return;
-            // 批量建子表
-            subTableService.createSubTable(superTableMeta, config.numOfTables, config.prefixOfTable, config.numOfThreadsForCreate);
+            if (!config.autoCreateTable){
+                // 批量建子表
+                subTableService.createSubTable(superTableMeta, config.numOfTables, config.prefixOfTable, config.numOfThreadsForCreate);
+            }
         }
         end = System.currentTimeMillis();
         logger.info(">>> create table time cost : " + (end - start) + " ms.");
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 5803896abba77087eaa417d47bfc44e32173fff2..650eff9945921fd184e3a5d2ab3f629884a765f3 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
@@ -27,8 +27,8 @@ public final class JdbcTaosdemoConfig {
     public boolean autoCreateTable = true;
     public long numOfTables = 10;
     public long numOfRowsPerTable = 10;
-    public int numOfTablesPerSQL = 2;
-    public int numOfValuesPerSQL = 2;
+    public int numOfTablesPerSQL = 1;
+    public int numOfValuesPerSQL = 1;
     public int numOfThreadsForCreate = 1;
     public int numOfThreadsForInsert = 1;
     public long startTime;