diff --git a/backend/modules/evaluation/domain/service/evaluator_impl.go b/backend/modules/evaluation/domain/service/evaluator_impl.go
index e834075ca..e9ebce350 100644
--- a/backend/modules/evaluation/domain/service/evaluator_impl.go
+++ b/backend/modules/evaluation/domain/service/evaluator_impl.go
@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/bytedance/gg/gptr"
+	"github.com/samber/lo"
 
 	"github.com/coze-dev/coze-loop/backend/infra/idgen"
 	"github.com/coze-dev/coze-loop/backend/infra/middleware/session"
@@ -613,7 +614,7 @@ func (e *EvaluatorServiceImpl) RunEvaluator(ctx context.Context, request *entity
 	// 如果是预置评估器（Builtin），直接执行后续流程
 	// 如果不是预置评估器，则根据 space_id 判断是否当前空间的 Evaluator
 	if !evaluatorDO.Builtin {
-		if evaluatorDO.SpaceID != request.SpaceID {
+		if evaluatorDO.SpaceID != request.SpaceID && lo.IsEmpty(evaluatorDO.BuiltinVisibleVersion) { // 历史预置评估器允许在途实验使用
 			return nil, errorx.NewByCode(errno.EvaluatorVersionNotFoundCode, errorx.WithExtraMsg("evaluator_version not found in current space"))
 		}
 	}