diff --git a/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/config/MybatisPlusConfig.java b/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/config/MybatisPlusConfig.java
index ce3db32b7a6dc189acca8f4ecd6a95ff4364cafc..a6ac7f7fc247a361286333de4b3c03ffba306336 100644
--- a/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/config/MybatisPlusConfig.java
+++ b/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/config/MybatisPlusConfig.java
@@ -25,8 +25,8 @@ public class MybatisPlusConfig {
     public PaginationInterceptor paginationInterceptor() {
 //        return new PaginationInterceptor();
         PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
-        //TODO: mybatis-plus do not support TDengine, use mysql Dialect
-        paginationInterceptor.setDialectType("mysql");
+        //TODO: mybatis-plus do not support TDengine, use postgresql Dialect
+        paginationInterceptor.setDialectType("postgresql");
 
         return paginationInterceptor;
     }
diff --git a/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapper.java b/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapper.java
index d315f6b0b0a031df79aa82c49338727aa4ea3c03..3e122524d57b5a54e08ff1cfc54101d517f32c32 100644
--- a/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapper.java
+++ b/tests/examples/JDBC/mybatisplus-demo/src/main/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapper.java
@@ -17,6 +17,7 @@ public interface TemperatureMapper extends BaseMapper<Temperature> {
     @Update("drop table if exists temperature")
     void dropSuperTable();
 
-    @Insert("insert into t${tbIndex}(ts, temperature) values(ts, temperature)")
+    @Insert("insert into t${tbIndex}(ts, temperature) values(#{ts}, #{temperature})")
     int insertOne(Temperature one);
+
 }
diff --git a/tests/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml b/tests/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml
index f18df0cdd60637353a3cded5f0a49e7ba58bda97..96667f28b8d45d74541609f3d44176534c609f23 100644
--- a/tests/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml
+++ b/tests/examples/JDBC/mybatisplus-demo/src/main/resources/application.yml
@@ -20,6 +20,10 @@ spring:
     locale: en_US.UTF-8
     timezone: UTC-8
 
+mybatis-plus:
+  configuration:
+    map-underscore-to-camel-case: false
+
 logging:
   level:
     com:
diff --git a/tests/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapperTest.java b/tests/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapperTest.java
index 2699640eef8a9efbcb511dbb1ba4fceea45306c5..4331d15d3476d3428e72a186664ed77cc59aad3e 100644
--- a/tests/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapperTest.java
+++ b/tests/examples/JDBC/mybatisplus-demo/src/test/java/com/taosdata/example/mybatisplusdemo/mapper/TemperatureMapperTest.java
@@ -33,7 +33,7 @@ public class TemperatureMapperTest {
         mapper.createSuperTable();
         // create table t_X using temperature
         for (int i = 0; i < 10; i++) {
-            mapper.createTable("t_" + i, locations[random.nextInt(locations.length)], i);
+            mapper.createTable("t" + i, locations[random.nextInt(locations.length)], i);
         }
         // insert into table
         int affectRows = 0;
@@ -60,12 +60,18 @@ public class TemperatureMapperTest {
     @Autowired
     private TemperatureMapper mapper;
 
+    /***
+     * test SelectList
+     * **/
     @Test
     public void testSelectList() {
         List<Temperature> temperatureList = mapper.selectList(null);
         temperatureList.forEach(System.out::println);
     }
 
+    /***
+     * test InsertOne which is a custom metheod
+     * ***/
     @Test
     public void testInsert() {
         Temperature one = new Temperature();
@@ -76,16 +82,21 @@ public class TemperatureMapperTest {
         Assert.assertEquals(1, affectRows);
     }
 
+    /***
+     * test SelectOne
+     * **/
     @Test
     public void testSelectOne() {
         QueryWrapper<Temperature> wrapper = new QueryWrapper<>();
         wrapper.eq("location", "beijing");
         Temperature one = mapper.selectOne(wrapper);
         System.out.println(one);
-        Assert.assertEquals(12.22f, one.getTemperature(), 0.00f);
-        Assert.assertEquals("beijing", one.getLocation());
+        Assert.assertNotNull(one);
     }
 
+    /***
+     * test  select By map
+     * ***/
     @Test
     public void testSelectByMap() {
         Map<String, Object> map = new HashMap<>();
@@ -94,18 +105,27 @@ public class TemperatureMapperTest {
         Assert.assertEquals(1, temperatures.size());
     }
 
+    /***
+     * test selectObjs
+     * **/
     @Test
     public void testSelectObjs() {
         List<Object> ts = mapper.selectObjs(null);
         System.out.println(ts);
     }
 
+    /**
+     * test selectC ount
+     * **/
     @Test
     public void testSelectCount() {
         int count = mapper.selectCount(null);
         Assert.assertEquals(5, count);
     }
 
+    /****
+     * 分页
+     */
     @Test
     public void testSelectPage() {
         IPage page = new Page(1, 2);