diff --git a/backend/modules/evaluation/application/eval_openapi_app.go b/backend/modules/evaluation/application/eval_openapi_app.go
index d7a6807c1..136112dbd 100644
--- a/backend/modules/evaluation/application/eval_openapi_app.go
+++ b/backend/modules/evaluation/application/eval_openapi_app.go
@@ -869,8 +869,12 @@ func (e *EvalOpenAPIApplication) ReportEvalTargetInvokeResult_(ctx context.Conte
 		return nil, err
 	}
 
-	logs.CtxInfo(ctx, "report target record, record_id: %v, space_id: %v, expt_id: %v, expt_run_id: %v, item_id: %v", req.GetInvokeID(), req.GetWorkspaceID(), actx.Event.GetExptID(), actx.Event.GetExptRunID(), actx.Event.GetEvalSetItemID())
+	if actx == nil {
+		logs.CtxWarn(ctx, "report target record, actx missing, invoke_id: %v, space_id: %v", req.GetInvokeID(), req.GetWorkspaceID())
+		return nil, errorx.New("eval async context not found, invoke_id: %v", req.GetInvokeID())
+	}
 
+	logs.CtxInfo(ctx, "report target record, record_id: %v, space_id: %v, expt_id: %v, expt_run_id: %v, item_id: %v", req.GetInvokeID(), req.GetWorkspaceID(), actx.Event.GetExptID(), actx.Event.GetExptRunID(), actx.Event.GetEvalSetItemID())
 	outputData := target.ToInvokeOutputDataDO(req)
 	outputData.TimeConsumingMS = gptr.Of(time.Now().UnixMilli() - actx.AsyncUnixMS)
 	if err := e.targetSvc.ReportInvokeRecords(ctx, &entity.ReportTargetRecordParam{
@@ -2433,6 +2437,10 @@ func (e *EvalOpenAPIApplication) ReportEvaluatorInvokeResult_(ctx context.Contex
 	if err != nil {
 		return nil, err
 	}
+	if actx == nil {
+		logs.CtxWarn(ctx, "report evaluator record, actx missing, invoke_id: %v, space_id: %v", req.GetInvokeID(), req.GetWorkspaceID())
+		return nil, errorx.New("eval async context not found, invoke_id: %v", req.GetInvokeID())
+	}
 
 	logs.CtxInfo(ctx, "report evaluator record, invoke_id: %v, evaluator_version_id: %v, space_id: %v, expt_id: %v, expt_run_id: %v",
 		req.GetInvokeID(), actx.EvaluatorVersionID, req.GetWorkspaceID(), actx.Event.GetExptID(), actx.Event.GetExptRunID())
diff --git a/backend/modules/evaluation/application/eval_openapi_app_test.go b/backend/modules/evaluation/application/eval_openapi_app_test.go
index 01dfb3f7f..9df271f39 100755
--- a/backend/modules/evaluation/application/eval_openapi_app_test.go
+++ b/backend/modules/evaluation/application/eval_openapi_app_test.go
@@ -1594,6 +1594,14 @@ func TestEvalOpenAPIApplication_ReportEvalTargetInvokeResult(t *testing.T) {
 			},
 			wantErr: true,
 		},
+		{
+			name: "actx is nil",
+			req:  repoErrorReq,
+			setup: func(t *testing.T, asyncRepo *repomocks.MockIEvalAsyncRepo, _ *servicemocks.MockIEvalTargetService, _ *eventmocks.MockExptEventPublisher, _ *configermocks.MockIConfiger) {
+				asyncRepo.EXPECT().GetEvalAsyncCtx(gomock.Any(), strconv.FormatInt(repoErrorReq.GetInvokeID(), 10)).Return(nil, nil)
+			},
+			wantErr: true,
+		},
 		{
 			name: "report invoke records returns error",
 			req:  reportErrorReq,
@@ -5586,6 +5594,19 @@ func TestEvalOpenAPIApplication_ReportEvaluatorInvokeResult(t *testing.T) {
 			},
 			wantErr: -1,
 		},
+		{
+			name: "actx is nil",
+			req: &openapi.ReportEvaluatorInvokeResultRequest{
+				WorkspaceID: gptr.Of(workspaceID),
+				InvokeID:    gptr.Of(invokeID),
+				Status:      gptr.Of(spi.InvokeEvaluatorRunStatus_SUCCESS),
+			},
+			setup: func(auth *rpcmocks.MockIAuthProvider, asyncRepo *repomocks.MockIEvalAsyncRepo, _ *servicemocks.MockEvaluatorService, _ *eventmocks.MockExptEventPublisher) {
+				auth.EXPECT().Authorization(gomock.Any(), gomock.Any()).Return(nil)
+				asyncRepo.EXPECT().GetEvalAsyncCtx(gomock.Any(), "evaluator:2002").Return(nil, nil)
+			},
+			wantErr: -1,
+		},
 		{
 			name: "report service failed",
 			req: &openapi.ReportEvaluatorInvokeResultRequest{
diff --git a/backend/modules/evaluation/application/experiment_app.go b/backend/modules/evaluation/application/experiment_app.go
index b4201e662..e1a44ece4 100644
--- a/backend/modules/evaluation/application/experiment_app.go
+++ b/backend/modules/evaluation/application/experiment_app.go
@@ -1550,11 +1550,15 @@ func (e *experimentApplication) InvokeExperiment(ctx context.Context, req *expt.
 	if err != nil {
 		return nil, err
 	}
-	err = e.resultSvc.UpsertExptTurnResultFilter(ctx, req.GetWorkspaceID(), req.GetExperimentID(), maps.ToSlice(idMap, func(k, v int64) int64 {
-		return v
-	}))
-	if err != nil {
-		return nil, err
+
+	// 当没有新增 item 时，跳过全量 UpsertFilter 避免无效的 O(N) CK 扫描和逐条 BMQ 发送
+	if len(idMap) > 0 {
+		err = e.resultSvc.UpsertExptTurnResultFilter(ctx, req.GetWorkspaceID(), req.GetExperimentID(), maps.ToSlice(idMap, func(k, v int64) int64 {
+			return v
+		}))
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	return &expt.InvokeExperimentResponse{
@@ -1570,6 +1574,10 @@ func (e *experimentApplication) FinishExperiment(ctx context.Context, req *expt.
 
 	got, err := e.manager.Get(ctx, req.GetExperimentID(), req.GetWorkspaceID(), session)
 	if err != nil {
+		if se, ok := errorx.FromStatusError(err); ok && se.Code() == errno.ResourceNotFoundCode {
+			// 实验已删除，视为已完成，幂等返回
+			return &expt.FinishExperimentResponse{BaseResp: base.NewBaseResp()}, nil
+		}
 		return nil, err
 	}
 
diff --git a/backend/modules/evaluation/application/experiment_app_test.go b/backend/modules/evaluation/application/experiment_app_test.go
index b19ba7ac4..69ecdf7c1 100644
--- a/backend/modules/evaluation/application/experiment_app_test.go
+++ b/backend/modules/evaluation/application/experiment_app_test.go
@@ -4338,6 +4338,45 @@ func TestExperimentApplication_InvokeExperiment(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "success - empty idMap skips UpsertFilter",
+			req: &exptpb.InvokeExperimentRequest{
+				WorkspaceID:      validSpaceID,
+				ExperimentID:     gptr.Of(validExptID),
+				ExperimentRunID:  gptr.Of(validExptRunID),
+				EvaluationSetID:  validEvalSetID,
+				Items:            validItems,
+				Session:          &common.Session{UserID: gptr.Of(validUserID)},
+				SkipInvalidItems: gptr.Of(true),
+				AllowPartialAdd:  gptr.Of(true),
+			},
+			mockSetup: func() {
+				mockManager.EXPECT().
+					Get(gomock.Any(), validExptID, validSpaceID, &entity.Session{UserID: strconv.FormatInt(validUserID, 10)}).
+					Return(validExpt, nil)
+
+				mockAuth.EXPECT().
+					AuthorizationWithoutSPI(gomock.Any(), gomock.Any()).
+					Return(nil)
+
+				// BatchCreateEvaluationSetItems returns empty idMap (dataset full)
+				mockEvalSetItemService.EXPECT().
+					BatchCreateEvaluationSetItems(gomock.Any(), gomock.Any()).
+					Return(map[int64]int64{}, nil, nil, nil)
+
+				// Invoke is still called with empty Items
+				mockManager.EXPECT().
+					Invoke(gomock.Any(), gomock.Any()).
+					Return(nil)
+
+				// UpsertExptTurnResultFilter should NOT be called
+			},
+			wantResp: &exptpb.InvokeExperimentResponse{
+				AddedItems: map[int64]int64{},
+				BaseResp:   base.NewBaseResp(),
+			},
+			wantErr: false,
+		},
 		{
 			name: "error - experiment status not allowed",
 			req: &exptpb.InvokeExperimentRequest{
@@ -4491,6 +4530,25 @@ func TestExperimentApplication_FinishExperiment(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "success - experiment deleted",
+			req: &exptpb.FinishExperimentRequest{
+				WorkspaceID:     gptr.Of(validSpaceID),
+				ExperimentID:    gptr.Of(validExptID),
+				ExperimentRunID: gptr.Of(validExptRunID),
+				Session:         &common.Session{UserID: gptr.Of(validUserID)},
+			},
+			mockSetup: func() {
+				// Mock Get experiment returns ResourceNotFound (soft-deleted)
+				mockManager.EXPECT().
+					Get(gomock.Any(), validExptID, validSpaceID, &entity.Session{UserID: strconv.FormatInt(validUserID, 10)}).
+					Return(nil, errorx.NewByCode(errno.ResourceNotFoundCode, errorx.WithExtraMsg("experiment not found")))
+			},
+			wantResp: &exptpb.FinishExperimentResponse{
+				BaseResp: base.NewBaseResp(),
+			},
+			wantErr: false,
+		},
 		{
 			name: "error - get experiment failed",
 			req: &exptpb.FinishExperimentRequest{