diff --git a/src/main/java/com/bsmlab/dfx/agent/config/DfxAgentConfiguration.java b/src/main/java/com/bsmlab/dfx/agent/config/DfxAgentConfiguration.java
index e3923b6..55ed46f 100644
--- a/src/main/java/com/bsmlab/dfx/agent/config/DfxAgentConfiguration.java
+++ b/src/main/java/com/bsmlab/dfx/agent/config/DfxAgentConfiguration.java
@@ -10,6 +10,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.dbcp2.BasicDataSource;
 import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.type.JdbcType;
 import org.mybatis.spring.SqlSessionFactoryBean;
 import org.mybatis.spring.annotation.MapperScan;
 import org.mybatis.spring.annotation.MapperScans;
@@ -115,6 +116,7 @@ public class DfxAgentConfiguration {
                 BasicDataSource dataSource = createBasicDataSource(dataSourceConfig);
                 SqlSessionFactoryBean sqlSessionFactoryBean = new RefreshableSqlSessionFactoryBean();//new SqlSessionFactoryBean();
                 org.apache.ibatis.session.Configuration mybatisConfiguration = new org.apache.ibatis.session.Configuration();
+                mybatisConfiguration.setJdbcTypeForNull(JdbcType.NULL);
                 sqlSessionFactoryBean.setConfiguration(mybatisConfiguration);
                 sqlSessionFactoryBean.setFailFast(true);
                 sqlSessionFactoryBean.setDataSource(dataSource);