diff --git a/backend/modules/observability/domain/component/config/config.go b/backend/modules/observability/domain/component/config/config.go
index c85000e4d..701c8c5bf 100644
--- a/backend/modules/observability/domain/component/config/config.go
+++ b/backend/modules/observability/domain/component/config/config.go
@@ -5,6 +5,7 @@ package config
 
 import (
 	"context"
+	"slices"
 
 	"github.com/coze-dev/coze-loop/backend/modules/observability/domain/trace/entity/loop_span"
 	"github.com/coze-dev/coze-loop/backend/pkg/conf"
@@ -249,6 +250,8 @@ type TrajectoryMetadataConfig struct {
 	// Spaces 按 workspace_id 配置允许写入的 metadata key 规则列表
 	Spaces            map[int64][]loop_span.MetaKeyRule `mapstructure:"spaces" json:"spaces"`
 	EnableSingleQuery bool                              `mapstructure:"enable_single_query" json:"enable_single_query"`
+	// EnableDoubleQuerySpaces 白名单：命中的 workspace_id 强制走双查询，即使全局开启了单查询
+	EnableDoubleQuerySpaces []int64 `mapstructure:"enable_double_query_spaces" json:"enable_double_query_spaces"`
 }
 
 func (c *TrajectoryMetadataConfig) IsSingleQueryEnabled() bool {
@@ -258,6 +261,13 @@ func (c *TrajectoryMetadataConfig) IsSingleQueryEnabled() bool {
 	return c.EnableSingleQuery
 }
 
+func (c *TrajectoryMetadataConfig) IsDoubleQueryEnabled(workspaceID int64) bool {
+	if c == nil {
+		return false
+	}
+	return slices.Contains(c.EnableDoubleQuerySpaces, workspaceID)
+}
+
 //go:generate mockgen -destination=mocks/config.go -package=mocks . ITraceConfig
 type ITraceConfig interface {
 	GetSystemViews(ctx context.Context) ([]*SystemView, error)
diff --git a/backend/modules/observability/domain/trace/service/trace_service.go b/backend/modules/observability/domain/trace/service/trace_service.go
index 1862379e6..a1d69f4a4 100644
--- a/backend/modules/observability/domain/trace/service/trace_service.go
+++ b/backend/modules/observability/domain/trace/service/trace_service.go
@@ -2594,7 +2594,7 @@ func (r *TraceServiceImpl) GetTrajectories(ctx context.Context, workspaceID int6
 		maxBytes = backfillCfg.GetTrajectoryMaxBytes(workspaceID)
 	}
 
-	if metaCfg.IsSingleQueryEnabled() {
+	if metaCfg.IsSingleQueryEnabled() && !metaCfg.IsDoubleQueryEnabled(workspaceID) {
 		return r.getTrajectoriesSingleQuery(ctx, workspaceID, tenant, traceIDs, startTime, endTime, platformType, trajectoryConfig, metaRules, maxBytes)
 	}
 
diff --git a/backend/modules/observability/domain/trace/service/trace_trajectory_service_test.go b/backend/modules/observability/domain/trace/service/trace_trajectory_service_test.go
index e1f20bb20..8eae775bd 100644
--- a/backend/modules/observability/domain/trace/service/trace_trajectory_service_test.go
+++ b/backend/modules/observability/domain/trace/service/trace_trajectory_service_test.go
@@ -206,6 +206,18 @@ func TestTrajectoryMetadataConfig_IsSingleQueryEnabled(t *testing.T) {
 	assert.True(t, (&config.TrajectoryMetadataConfig{EnableSingleQuery: true}).IsSingleQueryEnabled())
 }
 
+func TestTrajectoryMetadataConfig_IsDoubleQueryEnabled(t *testing.T) {
+	var nilCfg *config.TrajectoryMetadataConfig
+	assert.False(t, nilCfg.IsDoubleQueryEnabled(123))
+
+	assert.False(t, (&config.TrajectoryMetadataConfig{}).IsDoubleQueryEnabled(123))
+
+	cfg := &config.TrajectoryMetadataConfig{EnableDoubleQuerySpaces: []int64{123, 456}}
+	assert.True(t, cfg.IsDoubleQueryEnabled(123))
+	assert.True(t, cfg.IsDoubleQueryEnabled(456))
+	assert.False(t, cfg.IsDoubleQueryEnabled(789))
+}
+
 func TestTraceServiceImpl_GetTrajectories_SingleQuery_MaxBytesExceeded(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()