[fix] g 参数未初始化错误

engine/engine.go

@@ -204,5 +204,5 @@ func (this *Engine[T]) Execute(data T) error {
 }
 
 func New[T any](table string, relations ...string) *Engine[T] {
-	return &Engine[T]{code: table, relations: relations}
+	return &Engine[T]{code: table, relations: relations, g: support.NewGlobalParam("", nil)}
 }

engine/engine_param.go

@@ -11,5 +11,5 @@ func (this EngineParam) GetParam(k string) contracts.GlobalParams {
 }
 
 func (this EngineParam) GetGlobalParamsUser() contracts.User {
-	return nil
+	return this.data.User()
 }