diff --git a/mongo/mongo.go b/mongo/mongo.go
index b1c8609..3a04d72 100644
--- a/mongo/mongo.go
+++ b/mongo/mongo.go
@@ -1,24 +1,32 @@
+// =============================================================================
+// MongoDB 多数据源支持
+// 支持多数据源配置、自动重连、优雅关闭
+// 向后兼容原有的单数据源API
+// =============================================================================
+
 package mongo
 
 import (
 	"context"
 	"errors"
 	"fmt"
+	"os"
+	"os/signal"
 	"reflect"
 	"strings"
 	"sync"
+	"syscall"
 	"time"
 
 	"gitee.com/red-future---jilin-g/common/beans"
 	"gitee.com/red-future---jilin-g/common/log/model/entity"
-	"github.com/gogf/gf/v2/container/gvar"
-	"github.com/gogf/gf/v2/os/grpool"
-
 	"gitee.com/red-future---jilin-g/common/redis"
 	"gitee.com/red-future---jilin-g/common/utils"
+	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/glog"
+	"github.com/gogf/gf/v2/os/grpool"
 	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/gogf/gf/v2/text/gstr"
 	"github.com/gogf/gf/v2/util/gconv"
@@ -27,8 +35,367 @@ import (
 	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
+// =============================================================================
+// 数据源配置结构
+// =============================================================================
+
+type DataSourceConfig struct {
+	Name           string        `json:"name"`
+	Address        string        `json:"address"`
+	Database       string        `json:"database"`
+	MaxPoolSize    int32         `json:"maxPoolSize"`
+	MinPoolSize    int32         `json:"minPoolSize"`
+	ConnectTimeout time.Duration `json:"connectTimeout"`
+}
+
+// =============================================================================
+// 单个数据源接口
+// =============================================================================
+
+type DataSource interface {
+	Name() string
+	Database() *mongo.Database
+	Client() *mongo.Client
+	IsConnected() bool
+	Connect(ctx context.Context) error
+	Reconnect(ctx context.Context) error
+	Close(ctx context.Context) error
+}
+
+// =============================================================================
+// 数据源实现
+// =============================================================================
+
+type BaseDataSource struct {
+	config        *DataSourceConfig
+	client        *mongo.Client
+	database      *mongo.Database
+	isConnected   bool
+	mu            sync.RWMutex
+	lastError     error
+	lastErrorTime time.Time
+}
+
+func NewBaseDataSource(config *DataSourceConfig) *BaseDataSource {
+	return &BaseDataSource{
+		config:      config,
+		isConnected: false,
+	}
+}
+
+func (d *BaseDataSource) Name() string {
+	return d.config.Name
+}
+
+func (d *BaseDataSource) Database() *mongo.Database {
+	d.mu.RLock()
+	defer d.mu.RUnlock()
+	return d.database
+}
+
+func (d *BaseDataSource) Client() *mongo.Client {
+	d.mu.RLock()
+	defer d.mu.RUnlock()
+	return d.client
+}
+
+func (d *BaseDataSource) IsConnected() bool {
+	d.mu.RLock()
+	defer d.mu.RUnlock()
+	return d.isConnected && d.client != nil
+}
+
+func (d *BaseDataSource) Connect(ctx context.Context) error {
+	d.mu.Lock()
+	defer d.mu.Unlock()
+
+	if d.client != nil {
+		d.client.Disconnect(ctx)
+	}
+
+	// 解析数据库名
+	dbName := d.config.Database
+	if strings.Contains(dbName, "?") {
+		dbName = gstr.SubStr(dbName, 0, strings.Index(dbName, "?"))
+	}
+
+	// 构建连接选项
+	opt := options.Client().
+		ApplyURI(d.config.Address).
+		SetMaxPoolSize(uint64(d.config.MaxPoolSize)).
+		SetMinPoolSize(uint64(d.config.MinPoolSize)).
+		SetConnectTimeout(d.config.ConnectTimeout).
+		SetMaxConnecting(10).
+		SetServerSelectionTimeout(10 * time.Second).
+		SetHeartbeatInterval(10 * time.Second).
+		SetMaxConnIdleTime(60 * time.Second).
+		SetRetryWrites(true).
+		SetRetryReads(true)
+
+	var err error
+	d.client, err = mongo.Connect(opt)
+	if err != nil {
+		d.isConnected = false
+		d.lastError = err
+		d.lastErrorTime = time.Now()
+		return fmt.Errorf("datasource [%s] connection failed: %w", d.config.Name, err)
+	}
+
+	// 测试连接
+	pingCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+	if err = d.client.Ping(pingCtx, nil); err != nil {
+		d.isConnected = false
+		d.lastError = err
+		d.lastErrorTime = time.Now()
+		return fmt.Errorf("datasource [%s] ping failed: %w", d.config.Name, err)
+	}
+
+	d.database = d.client.Database(dbName)
+	d.isConnected = true
+	d.lastError = nil
+	glog.Infof(ctx, "✅ datasource [%s] connected successfully", d.config.Name)
+	return nil
+}
+
+func (d *BaseDataSource) Reconnect(ctx context.Context) error {
+	glog.Infof(ctx, "🔄 reconnecting datasource [%s]", d.config.Name)
+	return d.Connect(ctx)
+}
+
+func (d *BaseDataSource) Close(ctx context.Context) error {
+	d.mu.Lock()
+	defer d.mu.Unlock()
+
+	if d.client != nil {
+		disconnectCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+		defer cancel()
+		if err := d.client.Disconnect(disconnectCtx); err != nil {
+			return fmt.Errorf("datasource [%s] close failed: %w", d.config.Name, err)
+		}
+	}
+
+	d.isConnected = false
+	glog.Infof(ctx, "datasource [%s] closed", d.config.Name)
+	return nil
+}
+
+// =============================================================================
+// 多数据源管理器
+// =============================================================================
+
+type DataSourceManager struct {
+	sources    map[string]DataSource
+	mu         sync.RWMutex
+	ctx        context.Context
+	cancel     context.CancelFunc
+	started    bool
+	maxRetries int
+}
+
+var (
+	globalManager *DataSourceManager
+	managerOnce   sync.Once
+)
+
+// GetManager 获取全局管理器
+func GetManager() *DataSourceManager {
+	managerOnce.Do(func() {
+		ctx, cancel := context.WithCancel(context.Background())
+		globalManager = &DataSourceManager{
+			sources:    make(map[string]DataSource),
+			ctx:        ctx,
+			cancel:     cancel,
+			started:    false,
+			maxRetries: 3,
+		}
+	})
+	return globalManager
+}
+
+// RegisterDataSource 注册数据源
+func (m *DataSourceManager) RegisterDataSource(config *DataSourceConfig) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	if _, exists := m.sources[config.Name]; exists {
+		return fmt.Errorf("datasource [%s] already exists", config.Name)
+	}
+
+	source := NewBaseDataSource(config)
+	m.sources[config.Name] = source
+	return nil
+}
+
+// GetDataSource 获取数据源
+func (m *DataSourceManager) GetDataSource(name string) (DataSource, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	source, exists := m.sources[name]
+	if !exists {
+		return nil, fmt.Errorf("datasource [%s] not found", name)
+	}
+	return source, nil
+}
+
+// GetAllDataSourceNames 获取所有数据源名称
+func (m *DataSourceManager) GetAllDataSourceNames() []string {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	names := make([]string, 0, len(m.sources))
+	for name := range m.sources {
+		names = append(names, name)
+	}
+	return names
+}
+
+// InitializeFromConfig 从配置初始化数据源
+// 动态读取 config.yml 中 mongo 下的所有配置项
+func (m *DataSourceManager) InitializeFromConfig(ctx context.Context) error {
+	var firstErr error
+
+	// 获取 mongo 配置下的所有子键
+	mongoConfig := g.Cfg().MustGet(ctx, "mongo")
+	if mongoConfig.IsNil() {
+		glog.Warningf(ctx, "no mongo configuration found in config.yml")
+		return nil
+	}
+
+	// 将配置转换为 map
+	configMap := mongoConfig.Map()
+	if configMap == nil {
+		glog.Warningf(ctx, "mongo configuration is not a map")
+		return nil
+	}
+
+	// 遍历所有 mongo 子配置
+	for name, subConfig := range configMap {
+		// 跳过非对象类型的配置
+		subMap, ok := subConfig.(map[string]interface{})
+		if !ok {
+			continue
+		}
+
+		// 检查是否有 address 配置
+		address, hasAddress := subMap["address"]
+		if !hasAddress || gconv.String(address) == "" {
+			continue
+		}
+
+		// 构建数据源配置
+		config := &DataSourceConfig{
+			Name:           name,
+			Address:        gconv.String(address),
+			Database:       gconv.String(subMap["database"]),
+			MaxPoolSize:    int32(gconv.Int(subMap["maxPoolSize"])),
+			MinPoolSize:    int32(gconv.Int(subMap["minPoolSize"])),
+			ConnectTimeout: gconv.Duration(subMap["connectTimeout"]),
+		}
+
+		// 设置默认值
+		if config.MaxPoolSize == 0 {
+			config.MaxPoolSize = 100
+		}
+		if config.MinPoolSize == 0 {
+			config.MinPoolSize = 10
+		}
+		if config.ConnectTimeout == 0 {
+			config.ConnectTimeout = 10 * time.Second
+		}
+
+		// 注册数据源
+		if err := m.RegisterDataSource(config); err != nil {
+			glog.Errorf(ctx, "failed to register datasource [%s]: %v", name, err)
+			if firstErr == nil {
+				firstErr = err
+			}
+			continue
+		}
+
+		// 连接数据源
+		source, _ := m.GetDataSource(name)
+		if err := source.Connect(ctx); err != nil {
+			glog.Errorf(ctx, "failed to initialize datasource [%s]: %v", name, err)
+			if firstErr == nil {
+				firstErr = err
+			}
+		}
+	}
+
+	return firstErr
+}
+
+// StartHealthCheck 启动健康检查
+func (m *DataSourceManager) StartHealthCheck() {
+	if m.started {
+		return
+	}
+	m.started = true
+	go m.healthCheckLoop()
+}
+
+// healthCheckLoop 健康检查循环
+func (m *DataSourceManager) healthCheckLoop() {
+	ticker := time.NewTicker(30 * time.Second)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-m.ctx.Done():
+			return
+		case <-ticker.C:
+			m.checkAndReconnect()
+		}
+	}
+}
+
+// checkAndReconnect 检查并重新连接
+func (m *DataSourceManager) checkAndReconnect() {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	for name, source := range m.sources {
+		if !source.IsConnected() {
+			glog.Warningf(context.Background(), "datasource [%s] disconnected, attempting reconnect", name)
+
+			reconnectCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+			defer cancel()
+
+			if err := source.Reconnect(reconnectCtx); err != nil {
+				glog.Errorf(reconnectCtx, "datasource [%s] reconnect failed: %v", name, err)
+			} else {
+				glog.Infof(reconnectCtx, "✅ datasource [%s] reconnected successfully", name)
+			}
+		}
+	}
+}
+
+// CloseAll 关闭所有数据源
+func (m *DataSourceManager) CloseAll(ctx context.Context) error {
+	m.cancel()
+
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	var lastErr error
+	for name, source := range m.sources {
+		if err := source.Close(ctx); err != nil {
+			glog.Errorf(ctx, "failed to close datasource [%s]: %v", name, err)
+			lastErr = err
+		}
+	}
+	return lastErr
+}
+
+// =============================================================================
+// 向后兼容的MongoDB结构体
+// =============================================================================
+
 type MongoDB struct {
-	Cache bool
+	Cache      bool
+	dataSource string // 数据源名称，默认为 "default"
 }
 
 func DB(cache ...bool) *MongoDB {
@@ -37,199 +404,100 @@ func DB(cache ...bool) *MongoDB {
 		b = cache[0]
 	}
 	return &MongoDB{
-		Cache: b,
+		Cache:      b,
+		dataSource: "default",
 	}
 }
 
+// WithDataSource 指定使用的数据源
+func (m *MongoDB) WithDataSource(name string) *MongoDB {
+	m.dataSource = name
+	return m
+}
+
+// =============================================================================
+// 向后兼容的全局变量和方法
+// =============================================================================
+
 var (
-	db           *mongo.Database
-	client       *mongo.Client
-	isConnected  bool
-	mu           sync.RWMutex
-	mongoAddr    string
-	dbName       string
-	healthCtx    context.Context
-	healthCancel context.CancelFunc
+	manager     = GetManager()
+	logPool     *grpool.Pool
+	serverName  string
+	logRedisKey string
 )
 
-// checkConnected 检查连接状态
-func checkConnected() bool {
-	mu.RLock()
-	defer mu.RUnlock()
-	return isConnected
-}
-
-// connect 建立MongoDB连接
-func connect() error {
-	mu.Lock()
-	defer mu.Unlock()
-
-	if client != nil {
-		client.Disconnect(context.Background())
-	}
-
-	// 创建连接选项
-	opt := options.Client().
-		ApplyURI(mongoAddr).
-		SetMaxPoolSize(100).
-		SetMinPoolSize(10).
-		SetMaxConnecting(10).
-		SetConnectTimeout(10 * time.Second)
-
-	var err error
-	client, err = mongo.Connect(opt)
-	if err != nil {
-		isConnected = false
-		glog.Error(context.Background(), "MongoDB连接失败", err)
-		return err
-	}
-
-	// 测试连接
-	testCtx, testCancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer testCancel()
-
-	err = client.Ping(testCtx, nil)
-	if err != nil {
-		isConnected = false
-		glog.Error(testCtx, "MongoDB连接测试失败", err)
-		return err
-	}
-
-	db = client.Database(dbName)
-	isConnected = true
-	glog.Info(context.Background(), "✅ MongoDB连接成功")
-	return nil
-}
-
-// GetDB 获取 MongoDB 数据库实例
-func GetDB() *mongo.Database {
-	mu.RLock()
-	defer mu.RUnlock()
-	return db
-}
-
-// healthCheck 健康检查协程
-func healthCheck() {
-	ticker := time.NewTicker(30 * time.Second)
-	defer ticker.Stop()
-
-	for {
-		select {
-		case <-healthCtx.Done():
-			return
-		case <-ticker.C:
-			mu.RLock()
-			currentConnected := isConnected
-			currentClient := client
-			mu.RUnlock()
-
-			if !currentConnected || currentClient == nil {
-				glog.Warning(context.Background(), "MongoDB连接断开，尝试重连")
-				if err := reconnect(); err != nil {
-					glog.Error(context.Background(), "MongoDB重连失败", err)
-				}
-				continue
-			}
-
-			// 测试连接状态
-			testCtx, testCancel := context.WithTimeout(context.Background(), 5*time.Second)
-			err := currentClient.Ping(testCtx, nil)
-			testCancel()
-
-			if err != nil {
-				mu.Lock()
-				isConnected = false
-				mu.Unlock()
-				glog.Warning(context.Background(), "MongoDB连接健康检查失败", err)
-
-				// 尝试重连
-				if err := reconnect(); err != nil {
-					glog.Error(context.Background(), "MongoDB重连失败", err)
-				}
-			} else {
-				glog.Debug(context.Background(), "MongoDB连接健康检查通过")
-			}
-		}
-	}
-}
-
-// reconnect 重连函数
-func reconnect() error {
-	maxRetries := 3
-	retryDelay := 2 * time.Second
-
-	for i := 0; i < maxRetries; i++ {
-		glog.Info(context.Background(), fmt.Sprintf("尝试第%d次重连MongoDB", i+1))
-
-		if err := connect(); err == nil {
-			glog.Info(context.Background(), "MongoDB重连成功")
-			return nil
-		}
-
-		if i < maxRetries-1 {
-			time.Sleep(retryDelay)
-			retryDelay *= 2 // 指数退避
-		}
-	}
-
-	return gerror.New("MongoDB重连失败，已达到最大重试次数")
-}
-
-var logPool *grpool.Pool
-
-// init 初始化MongoDB连接
-func init() {
-	logPool = grpool.New(1)
-	// 按需初始化：没有配置 mongo.address 则跳过
-	mongoAddr = g.Cfg().MustGet(context.Background(), "mongo.address").String()
-	if mongoAddr == "" {
-		return
-	}
-
-	// 创建健康检查上下文
-	healthCtx, healthCancel = context.WithCancel(context.Background())
-
-	// 从连接串中解析数据库名
-	dbName = gstr.SubStr(mongoAddr, strings.LastIndex(mongoAddr, "/")+1, len(mongoAddr))
-	// 如果连接串带有参数（如 ?retryWrites=true），需要去掉参数部分
-	if strings.Contains(dbName, "?") {
-		dbName = gstr.SubStr(dbName, 0, strings.Index(dbName, "?"))
-	}
-	go func() {
-		// 初始连接
-		if err := connect(); err != nil {
-			glog.Error(context.Background(), "MongoDB初始连接失败", err)
-			return
-		}
-	}()
-
-	// 启动健康检查协程
-	go healthCheck()
-}
-
-// close 关闭MongoDB连接
-func close() {
-	if healthCancel != nil {
-		healthCancel()
-	}
-
-	mu.Lock()
-	defer mu.Unlock()
-
-	if client != nil {
-		disconnectCtx, disconnectCancel := context.WithTimeout(context.Background(), 5*time.Second)
-		defer disconnectCancel()
-		client.Disconnect(disconnectCtx)
-	}
-
-	isConnected = false
-	glog.Info(context.Background(), "MongoDB连接已关闭")
-}
-
 const PageSize = 20
 
+// GetDB 获取默认数据源的数据库实例（向后兼容）
+func GetDB() *mongo.Database {
+	source, err := manager.GetDataSource("default")
+	if err != nil {
+		return nil
+	}
+	return source.Database()
+}
+
+// init 初始化多数据源
+func init() {
+	logPool = grpool.New(1)
+	serverName = g.Cfg().MustGet(context.TODO(), "server.name").String()
+	logRedisKey = fmt.Sprintf("log:%s", serverName)
+
+	ctx := context.Background()
+
+	// 从配置初始化多数据源
+	if err := manager.InitializeFromConfig(ctx); err != nil {
+		glog.Errorf(ctx, "❌ Failed to initialize MongoDB datasources: %v", err)
+	} else {
+		glog.Infof(ctx, "✅ MongoDB datasources initialized: %v", manager.GetAllDataSourceNames())
+	}
+
+	// 启动健康检查
+	manager.StartHealthCheck()
+
+	// 设置优雅关闭
+	setupGracefulShutdown()
+}
+
+// setupGracefulShutdown 设置优雅关闭
+func setupGracefulShutdown() {
+	go func() {
+		sigCh := make(chan os.Signal, 1)
+		signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
+		<-sigCh
+
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+
+		glog.Info(ctx, "🔄 Shutting down MongoDB connections...")
+		if err := manager.CloseAll(ctx); err != nil {
+			glog.Errorf(ctx, "❌ Failed to close MongoDB connections: %v", err)
+		} else {
+			glog.Info(ctx, "✅ MongoDB connections closed successfully")
+		}
+	}()
+}
+
+// =============================================================================
+// MongoDB 操作方法（支持多数据源）
+// =============================================================================
+
+// getDataSource 获取当前使用的数据源
+func (m *MongoDB) getDataSource() (DataSource, error) {
+	if m.dataSource == "" {
+		m.dataSource = "default"
+	}
+	return manager.GetDataSource(m.dataSource)
+}
+
 // Find 查询多条记录
 func (m *MongoDB) Find(ctx context.Context, filter bson.M, result interface{}, collection string, page *beans.Page, orderBy []beans.OrderBy) (total int64, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return 0, err
+	}
+	db := source.Database()
+
 	if err = utils.ValidStructPtr(result); err != nil {
 		return
 	}
@@ -257,7 +525,6 @@ func (m *MongoDB) Find(ctx context.Context, filter bson.M, result interface{}, c
 	}
 	filter["tenantId"] = user.TenantId
 
-	// 分页参数处理
 	limit := int64(PageSize)
 	skip := int64(0)
 	if page != nil {
@@ -283,9 +550,9 @@ func (m *MongoDB) Find(ctx context.Context, filter bson.M, result interface{}, c
 		orderBson := bson.D{}
 		for _, v := range orderBy {
 			if v.Order == beans.Asc {
-				orderBson = append(orderBson, bson.E{Key: v.Field, Value: 1}) // 1 表示升序
+				orderBson = append(orderBson, bson.E{Key: v.Field, Value: 1})
 			} else {
-				orderBson = append(orderBson, bson.E{Key: v.Field, Value: -1}) // -1 表示降序
+				orderBson = append(orderBson, bson.E{Key: v.Field, Value: -1})
 			}
 		}
 		opt.SetSort(orderBson)
@@ -313,6 +580,12 @@ func (m *MongoDB) Find(ctx context.Context, filter bson.M, result interface{}, c
 
 // FindOne 查询1条记录
 func (m *MongoDB) FindOne(ctx context.Context, filter bson.M, result interface{}, collection string, opts ...options.Lister[options.FindOneOptions]) (err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return err
+	}
+	db := source.Database()
+
 	if len(filter) == 0 {
 		err = gerror.New("缺少查询条件")
 		return
@@ -357,6 +630,7 @@ func (m *MongoDB) FindOne(ctx context.Context, filter bson.M, result interface{}
 	}
 	return
 }
+
 func (m *MongoDB) CleanRedis(ctx context.Context, filter bson.M, tenantId interface{}, collection string) (err error) {
 	listKeys := fmt.Sprintf(redis.CleanList, tenantId, collection)
 	keys, err := redis.RedisClient.Keys(ctx, listKeys)
@@ -391,9 +665,6 @@ func (m *MongoDB) CleanRedis(ctx context.Context, filter bson.M, tenantId interf
 	return
 }
 
-var serverName = g.Cfg().MustGet(context.TODO(), "server.name").String()
-var logRedisKey = fmt.Sprintf("log:%s", serverName)
-
 func (m *MongoDB) log(ctx context.Context, filter bson.M, collection string, data interface{}, userName, tenantId interface{}, operationType string) {
 	_ = logPool.AddWithRecover(ctx, func(ctx context.Context) {
 		log := &entity.OperationLog{
@@ -420,6 +691,12 @@ func (m *MongoDB) log(ctx context.Context, filter bson.M, collection string, dat
 
 // Delete 删除记录
 func (m *MongoDB) Delete(ctx context.Context, filter bson.M, collection string, opts ...options.Lister[options.DeleteManyOptions]) (count int64, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return 0, err
+	}
+	db := source.Database()
+
 	if len(filter) == 0 {
 		err = gerror.New("缺少查询条件")
 		return
@@ -435,13 +712,17 @@ func (m *MongoDB) Delete(ctx context.Context, filter bson.M, collection string,
 	}
 	count = r.DeletedCount
 	err = m.CleanRedis(ctx, filter, user.TenantId, collection)
-	//写日志
-	//m.log(ctx, filter, collection, nil, user.UserName, user.TenantId, "delete")
 	return
 }
 
 // Update 修改记录
 func (m *MongoDB) Update(ctx context.Context, filter bson.M, update bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return nil, err
+	}
+	db := source.Database()
+
 	if len(filter) == 0 {
 		err = gerror.New("缺少查询条件")
 		return
@@ -465,25 +746,23 @@ func (m *MongoDB) Update(ctx context.Context, filter bson.M, update bson.M, coll
 		return
 	}
 	err = m.CleanRedis(ctx, filter, user.TenantId, collection)
-	//写日志
-	//m.log(ctx, filter, collection, update, user.UserName, user.TenantId, "update")
 	return
 }
 
 // RandomSoftDelete 随机软删除个文档的 _id
 func (m *MongoDB) RandomSoftDelete(ctx context.Context, limit int, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return nil, err
+	}
+	db := source.Database()
+
 	_ = opts
-	// 步骤 1: 使用聚合管道的 $sample 操作符随机抽取5个文档的 _id
 	pipeline := mongo.Pipeline{
-		// 阶段1: 为每个文档添加一个 0-1 之间的随机数字段 'random'
 		bson.D{{Key: "$addFields", Value: bson.D{{Key: "random", Value: bson.M{"$rand": bson.M{}}}}}},
-		// 阶段1: 匹配所有未删除的文档
 		bson.D{{Key: "$match", Value: bson.D{{Key: "isDeleted", Value: false}}}},
-		// 阶段2: 按随机数降序排序
 		bson.D{{Key: "$sort", Value: bson.D{{Key: "random", Value: -1}}}},
-		// 阶段3: 只取前5个
 		bson.D{{Key: "$limit", Value: limit}},
-		// 阶段4: 只投影 _id
 		bson.D{{Key: "$project", Value: bson.D{{Key: "_id", Value: 1}}}},
 	}
 	cursor, err := db.Collection(collection).Aggregate(ctx, pipeline)
@@ -491,14 +770,13 @@ func (m *MongoDB) RandomSoftDelete(ctx context.Context, limit int, collection st
 		return
 	}
 	defer cursor.Close(ctx)
-	// 步骤 2: 从聚合结果中提取 _id 到一个切片中
+
 	var idsToUpdate []bson.ObjectID
 	for cursor.Next(ctx) {
 		var result bson.M
 		if err := cursor.Decode(&result); err != nil {
 			return nil, err
 		}
-		// 将 bson.M 中的 _id 断言为 primitive.ObjectID
 		id := result["_id"].(bson.ObjectID)
 		idsToUpdate = append(idsToUpdate, id)
 	}
@@ -506,11 +784,9 @@ func (m *MongoDB) RandomSoftDelete(ctx context.Context, limit int, collection st
 		return nil, err
 	}
 	fmt.Printf("准备更新的随机文档ID: %v\n", idsToUpdate)
-	// 步骤 3: 使用 $in 操作符和 UpdateMany 批量更新选定的文档
+
 	if len(idsToUpdate) > 0 {
-		// 过滤条件：匹配 idsToUpdate 切片中的任意一个 _id
 		filter := bson.D{{Key: "_id", Value: bson.D{{Key: "$in", Value: idsToUpdate}}}}
-		// 更新操作：使用 $set 修改字段
 		update := bson.D{{Key: "$set", Value: bson.D{{Key: "isDeleted", Value: true}}}}
 		_, err = db.Collection(collection).UpdateMany(ctx, filter, update)
 		if err != nil {
@@ -522,6 +798,12 @@ func (m *MongoDB) RandomSoftDelete(ctx context.Context, limit int, collection st
 
 // SaveOrUpdate 批量增加或修改
 func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.BulkWriteResult, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return nil, err
+	}
+	db := source.Database()
+
 	if len(filter) == 0 || len(update) == 0 {
 		err = gerror.New("缺少查询条件或更新数据")
 		return
@@ -534,22 +816,19 @@ func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bs
 	if err != nil {
 		return
 	}
-	// 构建批量操作模型
+
 	var models []mongo.WriteModel
 	for i := 0; i < len(filter); i++ {
-		// 处理过滤器
 		filter[i]["isDeleted"] = false
 		if !g.IsEmpty(user.TenantId) {
 			filter[i]["tenantId"] = user.TenantId
 		}
-		// 处理更新数据
 		if setDoc, exists := update[i]["$set"].(bson.M); exists {
 			if !g.IsEmpty(user.UserName) {
 				setDoc["updater"] = user.UserName
 			}
 			setDoc["updatedAt"] = gtime.Now().Time
 		} else {
-			// 如果没有$set字段，则创建一个
 			setDoc := bson.M{}
 			if !g.IsEmpty(user.UserName) {
 				setDoc["updater"] = user.UserName
@@ -557,12 +836,10 @@ func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bs
 			setDoc["updatedAt"] = gtime.Now().Time
 			update[i]["$set"] = setDoc
 		}
-		// 创建更新操作模型
 		updateModel := mongo.NewUpdateOneModel()
 		updateModel.SetFilter(filter[i])
 		updateModel.SetUpdate(update[i])
-		updateModel.SetUpsert(true) // 默认不插入新文档
-		// 处理选项参数
+		updateModel.SetUpsert(true)
 		if len(opts) > 0 {
 			for _, opt := range opts {
 				var updateOpts options.UpdateManyOptions
@@ -577,13 +854,13 @@ func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bs
 		}
 		models = append(models, updateModel)
 	}
-	// 执行批量操作，无序执行提高性能
+
 	bulkOpts := options.BulkWrite().SetOrdered(false)
 	bulkResult, err := db.Collection(collection).BulkWrite(ctx, models, bulkOpts)
 	if err != nil {
 		return nil, err
 	}
-	// 清理相关缓存
+
 	for _, filterItem := range filter {
 		err = m.CleanRedis(ctx, filterItem, user.TenantId, collection)
 		if err != nil {
@@ -595,6 +872,12 @@ func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bs
 
 // Insert 插入多条记录
 func (m *MongoDB) Insert(ctx context.Context, documents []interface{}, collection string, opts ...options.Lister[options.InsertManyOptions]) (ids []interface{}, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return nil, err
+	}
+	db := source.Database()
+
 	user, err := utils.GetUserInfo(ctx)
 	if err != nil {
 		return
@@ -623,13 +906,17 @@ func (m *MongoDB) Insert(ctx context.Context, documents []interface{}, collectio
 	}
 	ids = r.InsertedIDs
 	err = m.CleanRedis(ctx, bson.M{}, user.TenantId, collection)
-	//写日志
-	//m.log(ctx, nil, collection, ids, user.UserName, user.TenantId, "insert")
 	return
 }
 
-// Count  查询总数
+// Count 查询总数
 func (m *MongoDB) Count(ctx context.Context, filter bson.M, collection string) (count int64, err error) {
+	source, err := m.getDataSource()
+	if err != nil {
+		return 0, err
+	}
+	db := source.Database()
+
 	user, err := utils.GetUserInfo(ctx)
 	if err != nil {
 		return
@@ -649,7 +936,6 @@ func (m *MongoDB) Count(ctx context.Context, filter bson.M, collection string) (
 			return
 		}
 	}
-	// 调用驱动的 CountDocuments，在数据库端执行的
 	count, err = db.Collection(collection).CountDocuments(ctx, filter)
 	if m.Cache {
 		err = redis.RedisClient.SetEX(ctx, redisKey, count, int64(time.Hour))
@@ -661,38 +947,26 @@ func (m *MongoDB) Count(ctx context.Context, filter bson.M, collection string) (
 }
 
 // EntityToBson 将 *entity/entity 转换为 bson.M
-// 支持传入值类型或指针类型，返回 bson.M 和错误信息
 func EntityToBson(entity interface{}) (bson.M, error) {
 	return EntityToBsonWithFilter(entity, false)
 }
 
 // EntityToBsonWithFilter 将 *entity/entity 转换为 bson.M，并可选择是否过滤空值
-// filterEmpty: 为 true 时会过滤掉空值字段（nil、空字符串、空切片、空map等），但保留 int 类型的 0 值
-// 支持：
-// - 未传值的指针（如 *consts.AssetStatus(nil)）会被过滤
-// - 传值为0的指针（如 *consts.AssetStatus(0)）不会被过滤
-// - 非0的整数值不会被过滤
 func EntityToBsonWithFilter(entity interface{}, filterEmpty bool) (bson.M, error) {
-	// 第一步：判断入参是否为 nil 或无效类型
 	if entity == nil {
 		return nil, fmt.Errorf("传入的 entity 实例为 nil")
 	}
-	// 第二步：将 entity 序列化为 BSON 字节流
-	// bson.Marshal 支持值类型和指针类型，会自动解析结构体的 bson 标签
 	bsonBytes, err := bson.Marshal(entity)
 	if err != nil {
 		return nil, fmt.Errorf("entity 序列化为 BSON 字节流失败：%w", err)
 	}
-	// 第三步：将 BSON 字节流反序列化为 bson.M
 	var bsonMap bson.M
 	err = bson.Unmarshal(bsonBytes, &bsonMap)
 	if err != nil {
 		return nil, fmt.Errorf("BSON 字节流反序列化为 bson.M 失败：%w", err)
 	}
-	// 如果需要过滤空值
 	if filterEmpty {
 		for key, value := range bsonMap {
-			// 判断是否为空值，但保留 int 类型的 0 值
 			if isEmptyWithZero(value) {
 				delete(bsonMap, key)
 			}
@@ -702,33 +976,24 @@ func EntityToBsonWithFilter(entity interface{}, filterEmpty bool) (bson.M, error
 }
 
 // isEmptyWithZero 判断是否为空值，但保留 int 类型的 0 值
-// 支持区分"未传值"和"传值为0"的情况：
-// - *int(nil) 或 *consts.AssetStatus(nil) → 返回 true（过滤掉）
-// - *int(0) 或 *consts.AssetStatus(0) → 返回 false（保留）
-// - int(0) 或 consts.AssetStatus(0) → 返回 false（保留）
 func isEmptyWithZero(value interface{}) bool {
-	// 先检查 value 是否为 nil
 	if value == nil {
 		return true
 	}
 	rv := reflect.ValueOf(value)
 	kind := rv.Kind()
-	// 处理 nil 指针
 	if kind == reflect.Ptr {
 		if rv.IsNil() {
 			return true
 		}
-		// 判断时如果是指针，需要获取指向的值的类型
 		kind = rv.Elem().Kind()
 	}
-	// 数字类型（int/uint/float）都保留，包括 0 值
 	switch kind {
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
 		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
 		reflect.Float32, reflect.Float64:
 		return false
 	default:
-		// 其他类型使用 g.IsEmpty 判断
 		return g.IsEmpty(value)
 	}
 }