diff --git a/src/app/main.cpp b/src/app/main.cpp
index 8b71a02..4dac989 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -137,6 +137,7 @@
 #include "TileBasemap.hpp"
 #include "panels/columns/ColumnDrawer.hpp"
 #include "panels/columns/CategoryAnalysisTab.hpp"
+#include "panels/columns/CategorySection.hpp"
 #include "panels/columns/Column3DDataset.hpp"
 #include "panels/columns/Column2DDataset.hpp"
 #include "panels/columns/Column3DAnalysis.hpp"
@@ -450,11 +451,21 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
     // splitByCategory 后注入 5 段（电阻率/视电阻率/瞬变/三维体/切片）；二维(足迹)经 dim2D 仍走 col2D。
     auto lastSourceRows = std::make_shared<std::vector<geopro::data::DsRow>>();
     auto refreshAnalysis = [drawer, scene3dRepo, lastSourceRows]() {
-        std::vector<geopro::data::DsRow> rows = *lastSourceRows;
-        for (auto& vr : scene3dRepo->volumeRows()) rows.push_back(std::move(vr));   // 客户端三维体
-        for (auto& sr : scene3dRepo->sliceRows()) rows.push_back(std::move(sr));    // 已保存切片(挂父体下)
-        drawer->analysisTab()->setBuckets(geopro::app::splitByCategory(rows));
-        drawer->col2D()->setDatasets(geopro::app::splitByDimension(rows).dim2D);
+        const auto vols = scene3dRepo->volumeRows();
+        const auto slices = scene3dRepo->sliceRows();
+        const auto anomalies = scene3dRepo->anomalyRows();
+        // 电阻率/视/瞬变段=对象树反演 ds；voxel/slice 段先由 splitByCategory 按 ddCode 填体/切片。
+        std::vector<geopro::data::DsRow> forCat = *lastSourceRows;
+        for (const auto& v : vols) forCat.push_back(v);
+        for (const auto& s : slices) forCat.push_back(s);
+        drawer->analysisTab()->setBuckets(geopro::app::splitByCategory(forCat));
+        // 三维体段重置为「体→切片/异常」三级树：体(根)+切片(parentId=体)+异常(parentId=体/切片)，
+        // populateDatasetList 按 parentId 自动建三级树（spec §8）。
+        std::vector<geopro::data::DsRow> voxelTree = vols;
+        for (const auto& s : slices) voxelTree.push_back(s);
+        for (const auto& a : anomalies) voxelTree.push_back(a);
+        if (auto* sec = drawer->analysisTab()->section("voxel")) sec->setDatasets(voxelTree);
+        drawer->col2D()->setDatasets(geopro::app::splitByDimension(*lastSourceRows).dim2D);
     };
 
     // 渲染勾选聚合：三维数据集栏（剖面→帘面）+ 三维分析栏（三维体/切片→体素/切片）两套勾选并集
@@ -504,8 +515,8 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                 const std::string savedSliceId = interactionMgr->selectedSliceDsId();
                 anomalyDrawTool->start(
                     o, normal,
-                    [&window, sceneView, scene3dRepo, renderWindowPtr, refreshAnomalies, volId,
-                     savedSliceId, normal, o](const std::vector<ri::Vec3>& worldPts) {
+                    [&window, sceneView, scene3dRepo, renderWindowPtr, refreshAnomalies, refreshAnalysis,
+                     volId, savedSliceId, normal, o](const std::vector<ri::Vec3>& worldPts) {
                         // 草稿异常：先临时渲染（让用户在对话框前看到所画，且截图含异常）。
                         geopro::core::Anomaly a;
                         a.markType = geopro::core::AnomalyMarkType::Polygon;
@@ -539,9 +550,11 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                         a.remark = dlg.remark().toStdString();
                         scene3dRepo->saveAnomaly(
                             a, shot.toStdString(),
-                            [sceneView, renderWindowPtr, refreshAnomalies, draftId](std::string) {
+                            [sceneView, renderWindowPtr, refreshAnomalies, refreshAnalysis,
+                             draftId](std::string) {
                                 sceneView->removeAnomaly(draftId);  // 撤草稿
-                                refreshAnomalies();  // 重渲染 + 刷新异常列表（含新异常）
+                                refreshAnomalies();  // 重渲染异常 actor
+                                refreshAnalysis();   // 新异常进三维体段三级树（挂体/切片）
                                 renderWindowPtr->Render();
                             },
                             [&window](const std::string& m) {
@@ -663,7 +676,9 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                          checkedSliceIds->clear();
                          for (const QString& id : ids) {
                              const std::string s = id.toStdString();
-                             if (scene3dRepo->isSliceDataset(s))
+                             if (scene3dRepo->isAnomalyDataset(s))
+                                 continue;  // 异常不进渲染勾选（显隐另管，避免被当帘面源 loadSection 失败）
+                             else if (scene3dRepo->isSliceDataset(s))
                                  checkedSliceIds->insert(s);
                              else if (scene3dRepo->isVolumeDataset(s))
                                  analysis << id;
diff --git a/src/data/api/Api3dRepository.cpp b/src/data/api/Api3dRepository.cpp
index d825cb5..5a889d8 100644
--- a/src/data/api/Api3dRepository.cpp
+++ b/src/data/api/Api3dRepository.cpp
@@ -321,6 +321,10 @@ bool Api3dRepository::isSliceDataset(const std::string& dsId) const {
     return slices_.find(dsId) != slices_.end();
 }
 
+bool Api3dRepository::isAnomalyDataset(const std::string& dsId) const {
+    return anomalies_.find(dsId) != anomalies_.end();
+}
+
 bool Api3dRepository::sliceSpec(const std::string& dsId, SliceSpec& out) const {
     auto it = slices_.find(dsId);
     if (it == slices_.end()) return false;
diff --git a/src/data/api/Api3dRepository.hpp b/src/data/api/Api3dRepository.hpp
index 7a767b2..182b437 100644
--- a/src/data/api/Api3dRepository.hpp
+++ b/src/data/api/Api3dRepository.hpp
@@ -67,6 +67,8 @@ public:
     std::vector<DsRow> anomalyRows() const;
     // 该 dsId 是否为已保存切片（3b：分析栏勾选 dd_slice 走切片重渲染路径，不进控制器帘面/体素路径）。
     bool isSliceDataset(const std::string& dsId) const;
+    // 该 dsId 是否为异常（dd_anomaly）——勾选异常不进帘面/体素渲染勾选，显隐另管。
+    bool isAnomalyDataset(const std::string& dsId) const;
     // 取回已保存切片位姿（还原渲染用）；不存在返回 false。
     bool sliceSpec(const std::string& dsId, SliceSpec& out) const;