diff --git a/base/resource.go b/base/resource.go
index dc38c31..e91b1fe 100644
--- a/base/resource.go
+++ b/base/resource.go
@@ -116,18 +116,23 @@ func (this Resource) HasField(code string) bool {
 
 // 开启事物
 func (this Resource) BeginTransaction() (*db.Transaction, error) {
-	return this.GetDB().Connection.BeginTransaction()
+	return this.GetDBConn().BeginTransaction()
 }
 
-// 获取资源对应的数据库连接
-func (this Resource) GetDB() *db.Builder {
+// 获取资源链接
+func (this Resource) GetDBConn() *db.Connection {
 	db := do.MustInvoke[db.DB](this.container)
 
 	if this.IsSystem() {
-		return db.Connection("service-support").Query()
+		return db.Connection("service-support")
 	}
 
-	return db.Connection("default").Query()
+	return db.Connection("default")
+}
+
+// 获取资源对应的数据库连接
+func (this Resource) GetDBBuilder() *db.Builder {
+	return this.GetDBConn().Query()
 }
 
 // 获取资源对应的数据表
@@ -140,7 +145,7 @@ func (this Resource) GetTable() db.Expression {
 }
 
 func (this Resource) GetDBDriver() string {
-	return this.GetDB().Connection.GetConfig().Driver
+	return this.GetDBConn().GetConfig().Driver
 }
 
 func (this Resource) GetAuthDBTable(u contracts.User, params ...any) *db.Builder {
@@ -158,7 +163,7 @@ func (this Resource) GetAuthDBTable(u contracts.User, params ...any) *db.Builder
 
 // GetDBTable("Test", contracts.User)
 func (this Resource) GetDBTable(params ...any) *db.Builder {
-	builder := this.GetDB()
+	builder := this.GetDBBuilder()
 
 	var user contracts.User
 	alias := this.Code
@@ -225,7 +230,7 @@ func (this Resource) WithRolesCondition(b *db.Builder, t string, u contracts.Use
 	items := do.MustInvoke[GetResRoles](this.container)(this.GetUuid(), u.Roles()...)
 
 	subTables := lo.Reduce(items, func(carry string, item ResRole, _ int) string {
-		db := this.GetDB().Table(string(this.GetTable()), this.GetCode()).Select(db.Raw("`" + this.GetCode() + "`.*"))
+		db := this.GetDBBuilder().Table(string(this.GetTable()), this.GetCode()).Select(db.Raw("`" + this.GetCode() + "`.*"))
 
 		joins := lo.Filter(GetResRelations(item.Uuid), func(item ResRelation, _ int) bool {
 			return item.Type == "inner" || item.Type == "left" || item.Type == "right"
diff --git a/resource.go b/resource.go
index 4ead747..9f69630 100644
--- a/resource.go
+++ b/resource.go
@@ -47,8 +47,9 @@ type Resource interface {
 
 	BeginTransaction() (*db.Transaction, error)
 
-	GetDB() *db.Builder
 	GetTable() db.Expression
+	GetDBConn() *db.Connection
+	GetDBBuilder() *db.Builder
 	GetDBTable(params ...any) *db.Builder
 	GetAuthDBTable(u User, params ...any) *db.Builder
 	GetStruct(extends ...reflect.StructField) any