diff --git a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
index ea9f3e16c0a988139ded4faff61a44640132aa4e..fd0dd93bccaa8139892acffa2c6f01168265817c 100644
--- a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
+++ b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
@@ -2,7 +2,7 @@ package com.schbrain.framework.autoconfigure.mybatis.biz;
 
 import com.schbrain.common.exception.BaseException;
 import com.schbrain.framework.autoconfigure.mybatis.annotation.BizId;
-import lombok.Data;
+import lombok.Getter;
 
 import java.lang.invoke.MethodHandle;
 import java.lang.reflect.Field;
@@ -13,7 +13,7 @@ import static java.lang.invoke.MethodHandles.*;
  * @author liaozan
  * @since 2023-03-23
  */
-@Data
+@Getter
 public class BizIdColumnField {
 
     private final BizId annotation;
@@ -22,9 +22,9 @@ public class BizIdColumnField {
 
     private final Class<?> fieldType;
 
-    private final MethodHandle bizIdFieldGetterMethodHandle;
+    private final MethodHandle getter;
 
-    private final MethodHandle bizIdFieldSetterMethodHandle;
+    private final MethodHandle setter;
 
     public BizIdColumnField(Class<?> entityClass, Field bizIdField) {
         this.annotation = bizIdField.getAnnotation(BizId.class);
@@ -32,8 +32,8 @@ public class BizIdColumnField {
         this.fieldType = bizIdField.getType();
         try {
             Lookup lookup = privateLookupIn(entityClass, lookup());
-            this.bizIdFieldGetterMethodHandle = lookup.findGetter(entityClass, bizIdField.getName(), fieldType);
-            this.bizIdFieldSetterMethodHandle = lookup.findSetter(entityClass, bizIdField.getName(), fieldType);
+            this.getter = lookup.findGetter(entityClass, bizIdField.getName(), fieldType);
+            this.setter = lookup.findSetter(entityClass, bizIdField.getName(), fieldType);
         } catch (NoSuchFieldException | IllegalAccessException e) {
             throw new BaseException(e.getMessage(), e);
         }
@@ -42,7 +42,7 @@ public class BizIdColumnField {
     @SuppressWarnings("unchecked")
     public <V, T> V getValue(T entity) {
         try {
-            return (V) bizIdFieldGetterMethodHandle.invoke(entity);
+            return (V) getter.invoke(entity);
         } catch (Throwable e) {
             throw new BaseException(e.getMessage(), e);
         }
@@ -50,14 +50,10 @@ public class BizIdColumnField {
 
     public <V, T> void setValue(T entity, V value) {
         try {
-            bizIdFieldSetterMethodHandle.invoke(entity, value);
+            setter.invoke(entity, value);
         } catch (Throwable e) {
             throw new BaseException(e.getMessage(), e);
         }
     }
 
-    public Class<?> getFieldType() {
-        return fieldType;
-    }
-
 }
\ No newline at end of file