diff --git a/src/main/java/cn/lihongjie/coal/config/HibernateConfig.java b/src/main/java/cn/lihongjie/coal/config/HibernateConfig.java
index f140ed37..01c50073 100644
--- a/src/main/java/cn/lihongjie/coal/config/HibernateConfig.java
+++ b/src/main/java/cn/lihongjie/coal/config/HibernateConfig.java
@@ -1,43 +1,29 @@
 package cn.lihongjie.coal.config;
 
-import org.hibernate.boot.ResourceStreamLocator;
 import org.hibernate.boot.model.naming.CamelCaseToUnderscoresNamingStrategy;
 import org.hibernate.boot.model.naming.Identifier;
 import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
-import org.hibernate.boot.spi.AdditionalMappingContributions;
-import org.hibernate.boot.spi.AdditionalMappingContributor;
-import org.hibernate.boot.spi.InFlightMetadataCollector;
-import org.hibernate.boot.spi.MetadataBuildingContext;
-import org.hibernate.dialect.PostgreSQLDialect;
+import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
-import org.hibernate.type.SqlTypes;
-import org.hibernate.type.descriptor.sql.internal.DdlTypeImpl;
+import org.springframework.boot.autoconfigure.orm.jpa.HibernatePropertiesCustomizer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import java.util.Map;
+
 @Configuration
 public class HibernateConfig {
 
 
     @Bean
-    AdditionalMappingContributor metadataContributor() {
-
-        return new AdditionalMappingContributor() {
+    HibernatePropertiesCustomizer hibernatePropertiesCustomizer() {
+        return new HibernatePropertiesCustomizer() {
             @Override
-            public void contribute(AdditionalMappingContributions contributions,
-                                   InFlightMetadataCollector metadata,
-                                   ResourceStreamLocator resourceStreamLocator,
-                                   MetadataBuildingContext buildingContext) {
-
-                buildingContext
-                        .getBuildingOptions()
-                        .getTypeConfiguration()
-                        .getDdlTypeRegistry()
-                        .addDescriptor(SqlTypes.VARCHAR, new DdlTypeImpl(SqlTypes.VARCHAR, "text", new PostgreSQLDialect()));
-
-
+            public void customize(Map<String, Object> hibernateProperties) {
+                hibernateProperties.put(AvailableSettings.DIALECT, "cn.lihongjie.coal.config" + ".MyPostgreSQLDialect");
             }
         };
+
     }
 
 
@@ -49,9 +35,7 @@ public class HibernateConfig {
             @Override
             public Identifier toPhysicalTableName(Identifier logicalName, JdbcEnvironment jdbcEnvironment) {
 
-                return super.toPhysicalTableName(new Identifier("t_" + logicalName.getText().replace("Entity", ""),
-                                logicalName.isQuoted()),
-                        jdbcEnvironment);
+                return super.toPhysicalTableName(new Identifier("t_" + logicalName.getText().replace("Entity", ""), logicalName.isQuoted()), jdbcEnvironment);
             }
 
         };