diff --git a/internal/server/work_checkpoint_eval_test.go b/internal/server/work_checkpoint_eval_test.go
index 897c8ec..67ef5d6 100644
--- a/internal/server/work_checkpoint_eval_test.go
+++ b/internal/server/work_checkpoint_eval_test.go
@@ -139,7 +139,7 @@ func evalMechanismStream(ctx context.Context, model string, msgs []agentllm.Mess
 		} else {
 			content = "整理结束，日期与验收条件需要核对；完整范围以原件为准。"
 		}
-		if strings.Contains(sourceText, "[fixture:slow-stages]") {
+		if strings.Contains(sourceText, "[fixture:slow-stages]") || strings.Contains(sourceText, "[fixture:fast-ack]") {
 			time.Sleep(1500 * time.Millisecond)
 		} else {
 			time.Sleep(200 * time.Millisecond)