diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/ClassUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/ClassUtil.java
index b3e9e523..33c9619a 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/ClassUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/ClassUtil.java
@@ -36,6 +36,8 @@ public class ClassUtil {
             // javassist
             , "javassist.util.proxy.ProxyObject"
             , "org.apache.ibatis.javassist.util.proxy.ProxyObject");
+    private static final String ENHANCER_BY = "$$EnhancerBy";
+    private static final String JAVASSIST_BY = "_$$_";
 
     public static boolean isProxy(Class<?> clazz) {
         for (Class<?> cls : clazz.getInterfaces()) {
@@ -47,12 +49,9 @@ public class ClassUtil {
         return Proxy.isProxyClass(clazz);
     }
 
-    private static final String ENHANCER_BY = "$$EnhancerBy";
-    private static final String JAVASSIST_BY = "_$$_";
-
     public static <T> Class<T> getUsefulClass(Class<T> clazz) {
         if (isProxy(clazz)) {
-            return (Class<T>) clazz.getSuperclass();
+            return getJdkProxySuperClass(clazz);
         }
 
         //ControllerTest$ServiceTest$$EnhancerByGuice$$40471411#hello   -------> Guice
@@ -235,4 +234,9 @@ public class ClassUtil {
         doGetMethods(cl.getSuperclass(), methods, predicate);
     }
 
+    private static <T> Class<T> getJdkProxySuperClass(Class<T> clazz) {
+        final Class<?> proxyClass = Proxy.getProxyClass(clazz.getClassLoader(), clazz.getInterfaces());
+        return (Class<T>) proxyClass.getInterfaces()[0];
+    }
+
 }
diff --git a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/IService.java b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/IService.java
index b33e6705..224d34f4 100644
--- a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/IService.java
+++ b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/IService.java
@@ -19,6 +19,9 @@ import com.mybatisflex.core.BaseMapper;
 import com.mybatisflex.core.paginate.Page;
 import com.mybatisflex.core.query.QueryCondition;
 import com.mybatisflex.core.query.QueryWrapper;
+import com.mybatisflex.core.row.Db;
+import com.mybatisflex.core.row.RowMapper;
+import com.mybatisflex.core.util.ClassUtil;
 import com.mybatisflex.core.util.CollectionUtil;
 import com.mybatisflex.core.util.SqlUtil;
 import org.springframework.transaction.annotation.Transactional;
@@ -37,6 +40,8 @@ import java.util.*;
 @SuppressWarnings("unused")
 public interface IService<T> {
 
+    // ===== 保存（增）操作 =====
+
     /**
      * 获取对应实体类（Entity）的基础映射类（BaseMapper）。
      *
@@ -44,8 +49,6 @@ public interface IService<T> {
      */
     BaseMapper<T> getMapper();
 
-    // ===== 保存（增）操作 =====
-
     /**
      * 保存实体类对象数据。
      *
@@ -80,6 +83,8 @@ public interface IService<T> {
         return SqlUtil.toBool(getMapper().insertBatch(new ArrayList<>(entities)));
     }
 
+    // ===== 删除（删）操作 =====
+
     /**
      * 批量保存实体类对象数据。
      *
@@ -92,8 +97,6 @@ public interface IService<T> {
         return SqlUtil.toBool(getMapper().insertBatch(new ArrayList<>(entities), size));
     }
 
-    // ===== 删除（删）操作 =====
-
     /**
      * 根据查询条件删除数据。
      *
@@ -138,6 +141,8 @@ public interface IService<T> {
         return SqlUtil.toBool(getMapper().deleteBatchByIds(ids));
     }
 
+    // ===== 更新（改）操作 =====
+
     /**
      * 根据 {@link Map} 构建查询条件删除数据。
      *
@@ -148,8 +153,6 @@ public interface IService<T> {
         return SqlUtil.toBool(getMapper().deleteByMap(query));
     }
 
-    // ===== 更新（改）操作 =====
-
     /**
      * 根据查询条件更新数据。
      *
@@ -172,6 +175,34 @@ public interface IService<T> {
         return SqlUtil.toBool(getMapper().updateByCondition(entity, condition));
     }
 
+    /**
+     * 根据 id 批量更新数据
+     *
+     * @param entities 实体类对象集合
+     * @return boolean {@code true} 更新成功，{@code false} 更新失败。
+     */
+    default boolean updateBatch(Collection<T> entities) {
+        return updateBatch(entities, RowMapper.DEFAULT_BATCH_SIZE);
+    }
+
+    /**
+     * 根据 id 批量更新数据
+     *
+     * @param entities  实体类对象集合
+     * @param batchSize 每批次更新数量
+     * @return boolean {@code true} 更新成功，{@code false} 更新失败。
+     */
+    @SuppressWarnings("unchecked")
+    default boolean updateBatch(Collection<T> entities, int batchSize) {
+        return Db.tx(() -> {
+            final List<T> entityList = CollectionUtil.toList(entities);
+
+            // BaseMapper 是经过 Mybatis 动态代理处理过的对象，需要获取原始 BaseMapper 类型
+            final Class<BaseMapper<T>> usefulClass = (Class<BaseMapper<T>>) ClassUtil.getUsefulClass(getMapper().getClass());
+            return SqlUtil.toBool(Arrays.stream(Db.executeBatch(entityList.size(), batchSize, usefulClass, (mapper, index) -> mapper.update(entityList.get(index)))).sum());
+        });
+    }
+
     /**
      * 根据数据主键更新数据。
      *