diff --git a/dsBase/src/main/java/com/jfinal/plugin/activerecord/Db.java b/dsBase/src/main/java/com/jfinal/plugin/activerecord/Db.java
deleted file mode 100644
index 932868e6..00000000
--- a/dsBase/src/main/java/com/jfinal/plugin/activerecord/Db.java
+++ /dev/null
@@ -1,904 +0,0 @@
-/**
- * Copyright (c) 2011-2025, James Zhan 詹波 (jfinal@126.com).
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.jfinal.plugin.activerecord;
-
-import java.math.BigDecimal;
-import java.math.BigInteger;
-import java.sql.Connection;
-import java.sql.SQLException;
-import java.time.LocalDateTime;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.Future;
-import java.util.function.Function;
-import java.util.ArrayList;
-import java.util.Random;
-import com.jfinal.kit.SyncWriteMap;
-import com.dsideal.Config.PropKit;
-
-/**
- * Db. Powerful database query and update tool box with read-write separation support.
- * 支持读写分离的数据库操作工具类
- */
-@SuppressWarnings("rawtypes")
-public class Db {
-
-    private static DbPro MAIN = null;
-    private static final Map<String, DbPro> cache = new SyncWriteMap<>(32, 0.25F);
-    private static final Map<String, DbPro> slaveCache = new SyncWriteMap<>(32, 0.25F);
-    private static final Random random = new Random();
-    private static List<String> slaveConfigs = new ArrayList<>();
-    private static boolean readWriteSeparationEnabled = false;
-    
-    static {
-        initReadWriteSeparation();
-    }
-    
-    /**
-     * 初始化读写分离配置
-     * Initialize read-write separation configuration
-     */
-    private static void initReadWriteSeparation() {
-        try {
-            // 检查是否存在slave配置
-            int slaveIndex = 1;
-            while (true) {
-                try {
-                    String slaveKey = "mysql.slave" + slaveIndex;
-                    String slaveUrl = PropKit.get(slaveKey + ".jdbcUrl");
-                    if (slaveUrl != null && !slaveUrl.trim().isEmpty()) {
-                        slaveConfigs.add(slaveKey);
-                        slaveIndex++;
-                    } else {
-                        break;
-                    }
-                } catch (Exception e) {
-                    // 没有更多slave配置
-                    break;
-                }
-            }
-            
-            if (!slaveConfigs.isEmpty()) {
-                readWriteSeparationEnabled = true;
-                System.out.println("[Db] 读写分离已启用，发现 " + slaveConfigs.size() + " 个从库配置");
-            } else {
-                System.out.println("[Db] 未发现从库配置，使用单库模式");
-            }
-        } catch (Exception e) {
-            System.out.println("[Db] 读写分离配置检查失败，使用单库模式: " + e.getMessage());
-        }
-    }
-    
-    /**
-     * 获取随机的从库DbPro实例
-     * Get a random slave DbPro instance
-     */
-    private static DbPro getRandomSlaveDbPro() {
-        if (!readWriteSeparationEnabled || slaveConfigs.isEmpty()) {
-            return MAIN;
-        }
-        
-        String randomSlaveConfig = slaveConfigs.get(random.nextInt(slaveConfigs.size()));
-        DbPro slaveDbPro = slaveCache.get(randomSlaveConfig);
-        
-        if (slaveDbPro == null) {
-            try {
-                // 创建从库连接
-                String jdbcUrl = PropKit.get(randomSlaveConfig + ".jdbcUrl");
-                String user = PropKit.get(randomSlaveConfig + ".user", PropKit.get("mysql.user"));
-                String password = PropKit.get(randomSlaveConfig + ".password", PropKit.get("mysql.password"));
-                String driverClassName = PropKit.get(randomSlaveConfig + ".driverClassName", PropKit.get("mysql.driverClassName"));
-                
-                // 这里需要根据实际的DbPro创建方式来实现
-                // 由于无法直接创建DbPro，我们返回主库连接
-                System.out.println("[Db] 使用从库: " + randomSlaveConfig + " -> " + jdbcUrl);
-                return MAIN; // 临时返回主库，实际应该创建从库连接
-            } catch (Exception e) {
-                System.err.println("[Db] 从库连接失败，回退到主库: " + e.getMessage());
-                return MAIN;
-            }
-        }
-        
-        return slaveDbPro;
-    }
-    
-    /**
-     * 判断SQL是否为读操作
-     * Determine if SQL is a read operation
-     */
-    private static boolean isReadOperation(String sql) {
-        if (sql == null) {
-            return false;
-        }
-        String trimmedSql = sql.trim().toLowerCase();
-        return trimmedSql.startsWith("select") || 
-               trimmedSql.startsWith("show") || 
-               trimmedSql.startsWith("desc") || 
-               trimmedSql.startsWith("describe") ||
-               trimmedSql.startsWith("explain");
-    }
-    
-    /**
-     * 根据SQL类型选择合适的DbPro实例
-     * Choose appropriate DbPro instance based on SQL type
-     */
-    private static DbPro chooseDbPro(String sql) {
-        if (readWriteSeparationEnabled && isReadOperation(sql)) {
-            return getRandomSlaveDbPro();
-        }
-        return MAIN;
-    }
-
-    /**
-     * for DbKit.addConfig(configName)
-     */
-    static void init(String configName) {
-        MAIN = DbKit.getConfig(configName).dbProFactory.getDbPro(configName);
-        cache.put(configName, MAIN);
-    }
-
-    /**
-     * for DbKit.removeConfig(configName)
-     */
-    static void removeDbProWithConfig(String configName) {
-        if (MAIN != null && MAIN.config.getName().equals(configName)) {
-            MAIN = null;
-        }
-        cache.remove(configName);
-        slaveCache.remove(configName);
-    }
-
-    public static DbPro use(String configName) {
-        DbPro result = cache.get(configName);
-        if (result == null) {
-            Config config = DbKit.getConfig(configName);
-            if (config == null) {
-                throw new IllegalArgumentException("Config not found by configName: " + configName);
-            }
-            result = config.dbProFactory.getDbPro(configName);
-            cache.put(configName, result);
-        }
-        return result;
-    }
-
-    public static DbPro use() {
-        return MAIN;
-    }
-
-    static <T> List<T> query(Config config, Connection conn, String sql, Object... paras) throws SQLException {
-        return MAIN.query(config, conn, sql, paras);
-    }
-
-    /**
-     * sql paras 查询，从 JDBC 原样取值且不封装到 Record 对象
-     * 支持读写分离：读操作自动路由到从库
-     */
-    public static <T> List<T> query(String sql, Object... paras) {
-        return chooseDbPro(sql).query(sql, paras);
-    }
-
-    /**
-     * @see #query(String, Object...)
-     * @param sql an SQL statement
-     */
-    public static <T> List<T> query(String sql) {
-        return chooseDbPro(sql).query(sql);
-    }
-
-    /**
-     * Execute sql query and return the first result. I recommend add "limit 1" in your sql.
-     * 支持读写分离：读操作自动路由到从库
-     * @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
-     * @param paras the parameters of sql
-     * @return Object[] if your sql has select more than one column,
-     * 			and it return Object if your sql has select only one column.
-     */
-    public static <T> T queryFirst(String sql, Object... paras) {
-        return chooseDbPro(sql).queryFirst(sql, paras);
-    }
-
-    /**
-     * @see #queryFirst(String, Object...)
-     * @param sql an SQL statement
-     */
-    public static <T> T queryFirst(String sql) {
-        return chooseDbPro(sql).queryFirst(sql);
-    }
-
-    // 26 queryXxx method below -----------------------------------------------
-    /**
-     * Execute sql query just return one column.
-     * 支持读写分离：读操作自动路由到从库
-     * @param <T> the type of the column that in your sql's select statement
-     * @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
-     * @param paras the parameters of sql
-     * @return <T> T
-     */
-    public static <T> T queryColumn(String sql, Object... paras) {
-        return chooseDbPro(sql).queryColumn(sql, paras);
-    }
-
-    public static <T> T queryColumn(String sql) {
-        return chooseDbPro(sql).queryColumn(sql);
-    }
-
-    public static String queryStr(String sql, Object... paras) {
-        return chooseDbPro(sql).queryStr(sql, paras);
-    }
-
-    public static String queryStr(String sql) {
-        return chooseDbPro(sql).queryStr(sql);
-    }
-
-    public static Integer queryInt(String sql, Object... paras) {
-        return chooseDbPro(sql).queryInt(sql, paras);
-    }
-
-    public static Integer queryInt(String sql) {
-        return chooseDbPro(sql).queryInt(sql);
-    }
-
-    public static Long queryLong(String sql, Object... paras) {
-        return chooseDbPro(sql).queryLong(sql, paras);
-    }
-
-    public static Long queryLong(String sql) {
-        return chooseDbPro(sql).queryLong(sql);
-    }
-
-    public static Double queryDouble(String sql, Object... paras) {
-        return chooseDbPro(sql).queryDouble(sql, paras);
-    }
-
-    public static Double queryDouble(String sql) {
-        return chooseDbPro(sql).queryDouble(sql);
-    }
-
-    public static Float queryFloat(String sql, Object... paras) {
-        return chooseDbPro(sql).queryFloat(sql, paras);
-    }
-
-    public static Float queryFloat(String sql) {
-        return chooseDbPro(sql).queryFloat(sql);
-    }
-
-    public static BigDecimal queryBigDecimal(String sql, Object... paras) {
-        return chooseDbPro(sql).queryBigDecimal(sql, paras);
-    }
-
-    public static BigDecimal queryBigDecimal(String sql) {
-        return chooseDbPro(sql).queryBigDecimal(sql);
-    }
-
-    public static BigInteger queryBigInteger(String sql, Object... paras) {
-        return chooseDbPro(sql).queryBigInteger(sql, paras);
-    }
-
-    public static BigInteger queryBigInteger(String sql) {
-        return chooseDbPro(sql).queryBigInteger(sql);
-    }
-
-    public static byte[] queryBytes(String sql, Object... paras) {
-        return chooseDbPro(sql).queryBytes(sql, paras);
-    }
-
-    public static byte[] queryBytes(String sql) {
-        return chooseDbPro(sql).queryBytes(sql);
-    }
-
-    public static java.util.Date queryDate(String sql, Object... paras) {
-        return chooseDbPro(sql).queryDate(sql, paras);
-    }
-
-    public static java.util.Date queryDate(String sql) {
-        return chooseDbPro(sql).queryDate(sql);
-    }
-
-    public static LocalDateTime queryLocalDateTime(String sql, Object... paras) {
-        return chooseDbPro(sql).queryLocalDateTime(sql, paras);
-    }
-
-    public static LocalDateTime queryLocalDateTime(String sql) {
-        return chooseDbPro(sql).queryLocalDateTime(sql);
-    }
-
-    public static java.sql.Time queryTime(String sql, Object... paras) {
-        return chooseDbPro(sql).queryTime(sql, paras);
-    }
-
-    public static java.sql.Time queryTime(String sql) {
-        return chooseDbPro(sql).queryTime(sql);
-    }
-
-    public static java.sql.Timestamp queryTimestamp(String sql, Object... paras) {
-        return chooseDbPro(sql).queryTimestamp(sql, paras);
-    }
-
-    public static java.sql.Timestamp queryTimestamp(String sql) {
-        return chooseDbPro(sql).queryTimestamp(sql);
-    }
-
-    public static Boolean queryBoolean(String sql, Object... paras) {
-        return chooseDbPro(sql).queryBoolean(sql, paras);
-    }
-
-    public static Boolean queryBoolean(String sql) {
-        return chooseDbPro(sql).queryBoolean(sql);
-    }
-
-    public static Short queryShort(String sql, Object... paras) {
-        return chooseDbPro(sql).queryShort(sql, paras);
-    }
-
-    public static Short queryShort(String sql) {
-        return chooseDbPro(sql).queryShort(sql);
-    }
-
-    public static Byte queryByte(String sql, Object... paras) {
-        return chooseDbPro(sql).queryByte(sql, paras);
-    }
-
-    public static Byte queryByte(String sql) {
-        return chooseDbPro(sql).queryByte(sql);
-    }
-
-    public static Number queryNumber(String sql, Object... paras) {
-        return chooseDbPro(sql).queryNumber(sql, paras);
-    }
-
-    public static Number queryNumber(String sql) {
-        return chooseDbPro(sql).queryNumber(sql);
-    }
-    // 26 queryXxx method under -----------------------------------------------
-
-    /**
-     * Execute sql update
-     */
-    static int update(Config config, Connection conn, String sql, Object... paras) throws SQLException {
-        return MAIN.update(config, conn, sql, paras);
-    }
-
-    /**
-     * Execute update, insert or delete sql statement.
-     * 写操作强制使用主库
-     * @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
-     * @param paras the parameters of sql
-     * @return either the row count for <code>INSERT</code>, <code>UPDATE</code>,
-     *         or <code>DELETE</code> statements, or 0 for SQL statements
-     *         that return nothing
-     */
-    public static int update(String sql, Object... paras) {
-        return MAIN.update(sql, paras);
-    }
-
-    /**
-     * @see #update(String, Object...)
-     * @param sql an SQL statement
-     */
-    public static int update(String sql) {
-        return MAIN.update(sql);
-    }
-
-    static List<Record> find(Config config, Connection conn, String sql, Object... paras) throws SQLException {
-        return MAIN.find(config, conn, sql, paras);
-    }
-
-    /**
-     * sql paras 查询，数据封装到 Record 对象
-     * 支持读写分离：读操作自动路由到从库
-     */
-    public static List<Record> find(String sql, Object... paras) {
-        return chooseDbPro(sql).find(sql, paras);
-    }
-
-    /**
-     * @see #find(String, Object...)
-     * @param sql the sql statement
-     */
-    public static List<Record> find(String sql) {
-        return chooseDbPro(sql).find(sql);
-    }
-
-    public static List<Record> findAll(String tableName) {
-        return chooseDbPro("select * from " + tableName).findAll(tableName);
-    }
-
-    /**
-     * Find first record. I recommend add "limit 1" in your sql.
-     * 支持读写分离：读操作自动路由到从库
-     * @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
-     * @param paras the parameters of sql
-     * @return the Record object
-     */
-    public static Record findFirst(String sql, Object... paras) {
-        return chooseDbPro(sql).findFirst(sql, paras);
-    }
-
-    /**
-     * @see #findFirst(String, Object...)
-     * @param sql an SQL statement
-     */
-    public static Record findFirst(String sql) {
-        return chooseDbPro(sql).findFirst(sql);
-    }
-
-    /**
-     * Find record by id with default primary key.
-     * 支持读写分离：读操作自动路由到从库
-     * <pre>
-     * Example:
-     * Record user = Db.findById("user", 15);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param idValue the id value of the record
-     */
-    public static Record findById(String tableName, Object idValue) {
-        return getRandomSlaveDbPro().findById(tableName, idValue);
-    }
-
-    public static Record findById(String tableName, String primaryKey, Object idValue) {
-        return getRandomSlaveDbPro().findById(tableName, primaryKey, idValue);
-    }
-
-    /**
-     * Find record by ids.
-     * 支持读写分离：读操作自动路由到从库
-     * <pre>
-     * Example:
-     * Record user = Db.findByIds("user", "user_id", 123);
-     * Record userRole = Db.findByIds("user_role", "user_id, role_id", 123, 456);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
-     * @param idValues the id value of the record, it can be composite id values
-     */
-    public static Record findByIds(String tableName, String primaryKey, Object... idValues) {
-        return getRandomSlaveDbPro().findByIds(tableName, primaryKey, idValues);
-    }
-
-    /**
-     * Delete record by id with default primary key.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * Db.deleteById("user", 15);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param idValue the id value of the record
-     * @return true if delete succeed otherwise false
-     */
-    public static boolean deleteById(String tableName, Object idValue) {
-        return MAIN.deleteById(tableName, idValue);
-    }
-
-    public static boolean deleteById(String tableName, String primaryKey, Object idValue) {
-        return MAIN.deleteById(tableName, primaryKey, idValue);
-    }
-
-    /**
-     * Delete record by ids.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * Db.deleteByIds("user", "user_id", 15);
-     * Db.deleteByIds("user_role", "user_id, role_id", 123, 456);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
-     * @param idValues the id value of the record, it can be composite id values
-     * @return true if delete succeed otherwise false
-     */
-    public static boolean deleteByIds(String tableName, String primaryKey, Object... idValues) {
-        return MAIN.deleteByIds(tableName, primaryKey, idValues);
-    }
-
-    /**
-     * Delete record.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * boolean succeed = Db.delete("user", "id", user);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
-     * @param record the record
-     * @return true if delete succeed otherwise false
-     */
-    public static boolean delete(String tableName, String primaryKey, Record record) {
-        return MAIN.delete(tableName, primaryKey, record);
-    }
-
-    /**
-     * <pre>
-     * Example:
-     * boolean succeed = Db.delete("user", user);
-     * </pre>
-     * @see #delete(String, String, Record)
-     */
-    public static boolean delete(String tableName, Record record) {
-        return MAIN.delete(tableName, record);
-    }
-
-    /**
-     * Execute delete sql statement.
-     * 写操作强制使用主库
-     * @param sql an SQL statement that may contain one or more '?' IN parameter placeholders
-     * @param paras the parameters of sql
-     * @return the row count for <code>DELETE</code> statements, or 0 for SQL statements
-     *         that return nothing
-     */
-    public static int delete(String sql, Object... paras) {
-        return MAIN.delete(sql, paras);
-    }
-
-    /**
-     * @see #delete(String, Object...)
-     * @param sql an SQL statement
-     */
-    public static int delete(String sql) {
-        return MAIN.delete(sql);
-    }
-
-    static Page<Record> paginate(Config config, Connection conn, int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) throws SQLException {
-        return MAIN.paginate(config, conn, pageNumber, pageSize, select, sqlExceptSelect, paras);
-    }
-
-    /**
-     * Paginate.
-     * 支持读写分离：分页查询自动路由到从库
-     * @param pageNumber the page number
-     * @param pageSize the page size
-     * @param select the select part of the sql statement
-     * @param sqlExceptSelect the sql statement excluded select part
-     * @param paras the parameters of sql
-     * @return the Page object
-     */
-    public static Page<Record> paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) {
-        return getRandomSlaveDbPro().paginate(pageNumber, pageSize, select, sqlExceptSelect, paras);
-    }
-
-    public static Page<Record> paginate(int pageNumber, int pageSize, boolean isGroupBySql, String select, String sqlExceptSelect, Object... paras) {
-        return getRandomSlaveDbPro().paginate(pageNumber, pageSize, isGroupBySql, select, sqlExceptSelect, paras);
-    }
-
-    /**
-     * 分页
-     */
-    public static Page<Record> paginate(int pageNumber, int pageSize, String select, String sqlExceptSelect) {
-        return getRandomSlaveDbPro().paginate(pageNumber, pageSize, select, sqlExceptSelect);
-    }
-
-    public static Page<Record> paginateByFullSql(int pageNumber, int pageSize, String totalRowSql, String findSql, Object... paras) {
-        return getRandomSlaveDbPro().paginateByFullSql(pageNumber, pageSize, totalRowSql, findSql, paras);
-    }
-
-    public static Page<Record> paginateByFullSql(int pageNumber, int pageSize, boolean isGroupBySql, String totalRowSql, String findSql, Object... paras) {
-        return getRandomSlaveDbPro().paginateByFullSql(pageNumber, pageSize, isGroupBySql, totalRowSql, findSql, paras);
-    }
-    
-    public static Page<Record> paginate(int pageNumber, int pageSize, SqlPara sqlPara) {
-        return MAIN.paginate(pageNumber, pageSize, sqlPara);
-    }
-
-    static boolean save(Config config, Connection conn, String tableName, String primaryKey, Record record) throws SQLException {
-        return MAIN.save(config, conn, tableName, primaryKey, record);
-    }
-
-    /**
-     * Save record.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * Record userRole = new Record().set("user_id", 123).set("role_id", 456);
-     * Db.save("user_role", "user_id, role_id", userRole);
-     * </pre>
-     * @param tableName the table name of the table
-     * @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
-     * @param record the record will be saved
-     * @return true if save succeed otherwise false
-     */
-    public static boolean save(String tableName, String primaryKey, Record record) {
-        return MAIN.save(tableName, primaryKey, record);
-    }
-
-    /**
-     * @see #save(String, String, Record)
-     */
-    public static boolean save(String tableName, Record record) {
-        return MAIN.save(tableName, record);
-    }
-
-    static boolean update(Config config, Connection conn, String tableName, String primaryKey, Record record) throws SQLException {
-        return MAIN.update(config, conn, tableName, primaryKey, record);
-    }
-
-    /**
-     * Update Record.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * Db.update("user_role", "user_id, role_id", record);
-     * </pre>
-     * @param tableName the table name of the Record save to
-     * @param primaryKey the primary key of the table, composite primary key is separated by comma character: ","
-     * @param record the Record object
-     * @return true if update succeed otherwise false
-     */
-    public static boolean update(String tableName, String primaryKey, Record record) {
-        return MAIN.update(tableName, primaryKey, record);
-    }
-
-    /**
-     * Update record with default primary key.
-     * 写操作强制使用主库
-     * <pre>
-     * Example:
-     * Db.update("user", record);
-     * </pre>
-     * @see #update(String, String, Record)
-     */
-    public static boolean update(String tableName, Record record) {
-        return MAIN.update(tableName, record);
-    }
-
-    /**
-     * @see #execute(Config, ICallback)
-     */
-    public static Object execute(ICallback callback) {
-        return MAIN.execute(callback);
-    }
-
-    /**
-     * Execute callback. It is useful when all the API can not satisfy your requirement.
-     * @param config the Config object
-     * @param callback the ICallback interface
-     */
-    static Object execute(Config config, ICallback callback) {
-        return MAIN.execute(config, callback);
-    }
-
-    /**
-     * Execute transaction.
-     * 事务操作强制使用主库
-     * @param config the Config object
-     * @param transactionLevel the transaction level
-     * @param atom the atom operation
-     * @return true if transaction executing succeed otherwise false
-     */
-    static boolean tx(Config config, int transactionLevel, IAtom atom) {
-        return MAIN.tx(config, transactionLevel, atom);
-    }
-
-    /**
-     * Execute transaction with default transaction level.
-     * 事务操作强制使用主库
-     * @see #tx(int, IAtom)
-     */
-    public static boolean tx(IAtom atom) {
-        return MAIN.tx(atom);
-    }
-
-    public static boolean tx(int transactionLevel, IAtom atom) {
-        return MAIN.tx(transactionLevel, atom);
-    }
-
-    /**
-     * 主要用于嵌套事务场景
-     * 事务操作强制使用主库
-     *
-     * 实例：https://jfinal.com/feedback/4008
-     *
-     * 默认情况下嵌套事务会被合并成为一个事务，那么内层与外层任何地方回滚事务
-     * 所有嵌套层都将回滚事务，也就是说嵌套事务无法独立提交与回滚
-     *
-     * 使用 txInNewThread(...) 方法可以实现层之间的事务控制的独立性
-     * 由于事务处理是将 Connection 绑定到线程上的，所以 txInNewThread(...)
-     * 通过建立新线程来实现嵌套事务的独立控制
-     */
-    public static Future<Boolean> txInNewThread(IAtom atom) {
-        return MAIN.txInNewThread(atom);
-    }
-
-    public static Future<Boolean> txInNewThread(int transactionLevel, IAtom atom) {
-        return MAIN.txInNewThread(transactionLevel, atom);
-    }
-
-    /**
-     * Find Record by cache.
-     * 支持读写分离：缓存查询自动路由到从库
-     * @see #find(String, Object...)
-     * @param cacheName the cache name
-     * @param key the key used to get date from cache
-     * @return the list of Record
-     */
-    public static List<Record> findByCache(String cacheName, Object key, String sql, Object... paras) {
-        return chooseDbPro(sql).findByCache(cacheName, key, sql, paras);
-    }
-
-    /**
-     * @see #findByCache(String, Object, String, Object...)
-     */
-    public static List<Record> findByCache(String cacheName, Object key, String sql) {
-        return chooseDbPro(sql).findByCache(cacheName, key, sql);
-    }
-
-    /**
-     * @see #findByCache(String, Object, String, Object...)
-     */
-    public static Record findFirstByCache(String cacheName, Object key, String sql, Object... paras) {
-        return chooseDbPro(sql).findFirstByCache(cacheName, key, sql, paras);
-    }
-
-    /**
-     * @see #findFirstByCache(String, Object, String, Object...)
-     */
-    public static Record findFirstByCache(String cacheName, Object key, String sql) {
-        return chooseDbPro(sql).findFirstByCache(cacheName, key, sql);
-    }
-
-    /**
-     * @see #paginateByCache(String, Object, int, int, String, String, Object...)
-     */
-    public static Page<Record> paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, String select, String sqlExceptSelect, Object... paras) {
-        return getRandomSlaveDbPro().paginateByCache(cacheName, key, pageNumber, pageSize, select, sqlExceptSelect, paras);
-    }
-
-    /**
-     * @see #paginateByCache(String, Object, int, int, String, String, Object...)
-     */
-    public static Page<Record> paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, boolean isGroupBySql, String select, String sqlExceptSelect, Object... paras) {
-        return getRandomSlaveDbPro().paginateByCache(cacheName, key, pageNumber, pageSize, isGroupBySql, select, sqlExceptSelect, paras);
-    }
-
-    /**
-     * @see #paginateByCache(String, Object, int, int, String, String, Object...)
-     */
-    public static Page<Record> paginateByCache(String cacheName, Object key, int pageNumber, int pageSize, String select, String sqlExceptSelect) {
-        return getRandomSlaveDbPro().paginateByCache(cacheName, key, pageNumber, pageSize, select, sqlExceptSelect);
-    }
-
-    // -----------------------------
-    
-    /**
-     * 获取读写分离状态信息
-     * Get read-write separation status information
-     */
-    public static String getReadWriteSeparationStatus() {
-        StringBuilder sb = new StringBuilder();
-        sb.append("读写分离状态: ").append(readWriteSeparationEnabled ? "已启用" : "未启用").append("\n");
-        if (readWriteSeparationEnabled) {
-            sb.append("从库配置数量: ").append(slaveConfigs.size()).append("\n");
-            for (int i = 0; i < slaveConfigs.size(); i++) {
-                sb.append("从库").append(i + 1).append(": ").append(slaveConfigs.get(i)).append("\n");
-            }
-        }
-        return sb.toString();
-    }
-    
-    /**
-     * 强制使用主库执行查询（用于需要强一致性的场景）
-     * Force use master database for query (for scenarios requiring strong consistency)
-     */
-    public static <T> List<T> queryFromMaster(String sql, Object... paras) {
-        return MAIN.query(sql, paras);
-    }
-    
-    public static List<Record> findFromMaster(String sql, Object... paras) {
-        return MAIN.find(sql, paras);
-    }
-    
-    public static Record findFirstFromMaster(String sql, Object... paras) {
-        return MAIN.findFirst(sql, paras);
-    }
-    
-    /**
-     * 强制使用指定从库执行查询
-     * Force use specific slave database for query
-     */
-    public static <T> List<T> queryFromSlave(int slaveIndex, String sql, Object... paras) {
-        if (!readWriteSeparationEnabled || slaveIndex < 0 || slaveIndex >= slaveConfigs.size()) {
-            return MAIN.query(sql, paras);
-        }
-        // 这里应该返回指定的从库连接，暂时返回主库
-        return MAIN.query(sql, paras);
-    }
-    
-    public static String getSql(String key) {
-        return MAIN.getSql(key);
-    }
-    
-    public static SqlPara getSqlPara(String key) {
-        return MAIN.getSqlPara(key);
-    }
-    
-    public static SqlPara getSqlPara(String key, Record record) {
-        return MAIN.getSqlPara(key, record);
-    }
-    
-    public static SqlPara getSqlPara(String key, Map<?, ?> data) {
-        return MAIN.getSqlPara(key, data);
-    }
-    
-    public static SqlPara getSqlPara(String key, Object... paras) {
-        return MAIN.getSqlPara(key, paras);
-    }
-
-    public static int update(SqlPara sqlPara) {
-        return MAIN.update(sqlPara);
-    }
-    public static List<Record> find(SqlPara sqlPara) {
-        return MAIN.find(sqlPara);
-    }
-    /**
-     * @see DbPro#batchUpdate(List, int)
-     */
-    public static int[] batchUpdate(List<? extends Model> modelList, int batchSize) {
-        return MAIN.batchUpdate(modelList, batchSize);
-    }
-
-    /**
-     * @see DbPro#batchUpdate(String, String, List, int)
-     */
-    public static int[] batchUpdate(String tableName, String primaryKey, List<? extends Record> recordList, int batchSize) {
-        return MAIN.batchUpdate(tableName, primaryKey, recordList, batchSize);
-    }
-
-    /**
-     * @see DbPro#batch(String, Object[][], int)
-     */
-    public static int[] batch(String sql, Object[][] paras, int batchSize) {
-        return MAIN.batch(sql, paras, batchSize);
-    }
-
-    /**
-     * @see DbPro#batch(String, String, List, int)
-     */
-    public static int[] batch(String sql, String columns, List modelOrRecordList, int batchSize) {
-        return MAIN.batch(sql, columns, modelOrRecordList, batchSize);
-    }
-
-    /**
-     * @see DbPro#batch(List, int)
-     */
-    public static int[] batch(List<String> sqlList, int batchSize) {
-        return MAIN.batch(sqlList, batchSize);
-    }
-
-    /**
-     * @see DbPro#batchUpdate(String, List, int)
-     */
-    public static int[] batchUpdate(String tableName, List<? extends Record> recordList, int batchSize) {
-        return MAIN.batchUpdate(tableName, recordList, batchSize);
-    }
-    /**
-     * @see DbPro#batchSave(List, int)
-     */
-    public static int[] batchSave(List<? extends Model> modelList, int batchSize) {
-        return MAIN.batchSave(modelList, batchSize);
-    }
-
-    /**
-     * @see DbPro#batchSave(String, List, int)
-     */
-    public static int[] batchSave(String tableName, List<? extends Record> recordList, int batchSize) {
-        return MAIN.batchSave(tableName, recordList, batchSize);
-    }
-}
- 
- 
- 
- 
\ No newline at end of file
diff --git a/dsRes/src/main/java/com/jfinal/plugin/activerecord/Db.java b/dsUtils/src/main/java/com/jfinal/plugin/activerecord/Db.java
similarity index 100%
rename from dsRes/src/main/java/com/jfinal/plugin/activerecord/Db.java
rename to dsUtils/src/main/java/com/jfinal/plugin/activerecord/Db.java