diff --git a/gdb/sqldb/query_builder.go b/gdb/sqldb/query_builder.go
new file mode 100644
index 0000000..fe6f3cd
--- /dev/null
+++ b/gdb/sqldb/query_builder.go
@@ -0,0 +1,40 @@
+//
+// query_builder.go
+// Copyright (C) 2023 tiglog <me@tiglog.com>
+//
+// Distributed under terms of the MIT license.
+//
+
+package sqldb
+
+import "reflect"
+
+// 该功能用于改善记录查询，避免直接写表名
+// TODO 实现 query builder
+
+type join_item struct {
+	way   string
+	table string
+	on    string
+}
+
+type query_builder struct {
+	table   string
+	fields  string
+	conds   []string
+	orderBy string
+	offset  int
+	limit   int
+	joins   []join_item
+}
+
+func FromEntity(ent any) *query_builder {
+	tabM, err := dm.TableFor(reflect.TypeOf(ent), false)
+	if err != nil {
+		return nil
+	}
+
+	return &query_builder{
+		table: tabM.TableName,
+	}
+}
diff --git a/gqueue/wrapper.go b/gqueue/wrapper.go
index 16a4200..2807fbc 100644
--- a/gqueue/wrapper.go
+++ b/gqueue/wrapper.go
@@ -13,6 +13,7 @@ type Task = asynq.Task
 type Client = asynq.Client
 type Server = asynq.Server
 type ServeMux = asynq.ServeMux
+type Config = asynq.Config
 
 var GetRetryCount = asynq.GetRetryCount
 var GetTaskID = asynq.GetTaskID