diff --git a/common/changes/@visactor/vtable/fix-custom-merge-select_2024-05-21-12-09.json b/common/changes/@visactor/vtable/fix-custom-merge-select_2024-05-21-12-09.json
new file mode 100644
index 000000000..2f311ac2a
--- /dev/null
+++ b/common/changes/@visactor/vtable/fix-custom-merge-select_2024-05-21-12-09.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@visactor/vtable",
+      "comment": "fix: fix custom merge cell display problem when select header",
+      "type": "none"
+    }
+  ],
+  "packageName": "@visactor/vtable"
+}
\ No newline at end of file
diff --git a/packages/vtable/src/scenegraph/layout/frozen.ts b/packages/vtable/src/scenegraph/layout/frozen.ts
index e6124c84a..62dd6b7e1 100644
--- a/packages/vtable/src/scenegraph/layout/frozen.ts
+++ b/packages/vtable/src/scenegraph/layout/frozen.ts
@@ -66,7 +66,7 @@ export function resetFrozen(scene: Scenegraph) {
 
   scene.deleteAllSelectBorder();
   scene.table.stateManager.select.ranges.forEach(range => {
-    scene.updateCellSelectBorder(range.start.col, range.start.row, range.end.col, range.end.row);
+    scene.updateCellSelectBorder(range);
   });
 
   // scene.frozenColCount = scene.rowHeaderGroup.childrenCount;
diff --git a/packages/vtable/src/scenegraph/scenegraph.ts b/packages/vtable/src/scenegraph/scenegraph.ts
index c3dbd6624..7fec67657 100644
--- a/packages/vtable/src/scenegraph/scenegraph.ts
+++ b/packages/vtable/src/scenegraph/scenegraph.ts
@@ -689,14 +689,8 @@ export class Scenegraph {
     deleteAllSelectBorder(this);
   }
 
-  updateCellSelectBorder(
-    newStartCol: number,
-    newStartRow: number,
-    newEndCol: number,
-    newEndRow: number,
-    extendSelectRange: boolean = true
-  ) {
-    updateCellSelectBorder(this, newStartCol, newStartRow, newEndCol, newEndRow, extendSelectRange);
+  updateCellSelectBorder(selectRange: CellRange & { skipBodyMerge?: boolean }, extendSelectRange: boolean = true) {
+    updateCellSelectBorder(this, selectRange, extendSelectRange);
   }
 
   removeFillHandleFromSelectComponents() {
@@ -706,7 +700,7 @@ export class Scenegraph {
   recreateAllSelectRangeComponents() {
     deleteAllSelectBorder(this);
     this.table.stateManager.select.ranges.forEach((cellRange: CellRange) => {
-      updateCellSelectBorder(this, cellRange.start.col, cellRange.start.row, cellRange.end.col, cellRange.end.row);
+      updateCellSelectBorder(this, cellRange);
     });
     moveSelectingRangeComponentsToSelectedRangeComponents(this);
   }
diff --git a/packages/vtable/src/scenegraph/select/update-select-border.ts b/packages/vtable/src/scenegraph/select/update-select-border.ts
index c5a54fb9b..e27992e3b 100644
--- a/packages/vtable/src/scenegraph/select/update-select-border.ts
+++ b/packages/vtable/src/scenegraph/select/update-select-border.ts
@@ -1,6 +1,6 @@
 import type { IRect } from '@src/vrender';
 import type { Scenegraph } from '../scenegraph';
-import type { CellSubLocation } from '../../ts-types';
+import type { CellRange, CellSubLocation } from '../../ts-types';
 import { getCellMergeInfo } from '../utils/get-cell-merge';
 
 export function updateAllSelectComponent(scene: Scenegraph) {
@@ -318,12 +318,15 @@ function updateComponent(
 
 export function updateCellSelectBorder(
   scene: Scenegraph,
-  newStartCol: number,
-  newStartRow: number,
-  newEndCol: number,
-  newEndRow: number,
+  selectRange: CellRange & { skipBodyMerge?: boolean },
   ifExtendSelectRange: boolean = true
 ) {
+  const newStartCol = selectRange.start.col;
+  const newStartRow = selectRange.start.row;
+  const newEndCol = selectRange.end.col;
+  const newEndRow = selectRange.end.row;
+  const skipBodyMerge = selectRange.skipBodyMerge;
+
   let startCol = Math.max(Math.min(newEndCol, newStartCol), 0);
   let startRow = Math.max(Math.min(newEndRow, newStartRow), 0);
   let endCol = Math.min(Math.max(newEndCol, newStartCol), scene.table.colCount - 1);
@@ -334,6 +337,9 @@ export function updateCellSelectBorder(
     for (let col = startCol; col <= endCol; col++) {
       if (col === startCol) {
         for (let row = startRow; row <= endRow; row++) {
+          if (!scene.table.isHeader(col, row) && skipBodyMerge) {
+            continue;
+          }
           const mergeInfo = getCellMergeInfo(scene.table, col, row);
           if (mergeInfo && mergeInfo.start.col < startCol) {
             startCol = mergeInfo.start.col;
@@ -344,6 +350,9 @@ export function updateCellSelectBorder(
       }
       if (!isExtend && col === endCol) {
         for (let row = startRow; row <= endRow; row++) {
+          if (!scene.table.isHeader(col, row) && skipBodyMerge) {
+            continue;
+          }
           const mergeInfo = getCellMergeInfo(scene.table, col, row);
           if (mergeInfo && Math.min(mergeInfo.end.col, scene.table.colCount - 1) > endCol) {
             endCol = mergeInfo.end.col;
@@ -361,6 +370,9 @@ export function updateCellSelectBorder(
       for (let row = startRow; row <= endRow; row++) {
         if (row === startRow) {
           for (let col = startCol; col <= endCol; col++) {
+            if (!scene.table.isHeader(col, row) && skipBodyMerge) {
+              continue;
+            }
             const mergeInfo = getCellMergeInfo(scene.table, col, row);
             if (mergeInfo && mergeInfo.start.row < startRow) {
               startRow = mergeInfo.start.row;
@@ -371,6 +383,9 @@ export function updateCellSelectBorder(
         }
         if (!isExtend && row === endRow) {
           for (let col = startCol; col <= endCol; col++) {
+            if (!scene.table.isHeader(col, row) && skipBodyMerge) {
+              continue;
+            }
             const mergeInfo = getCellMergeInfo(scene.table, col, row);
             if (mergeInfo && Math.min(mergeInfo.end.row, scene.table.rowCount - 1) > endRow) {
               endRow = mergeInfo.end.row;
diff --git a/packages/vtable/src/state/select/update-position.ts b/packages/vtable/src/state/select/update-position.ts
index afd54a5d2..33117bdcc 100644
--- a/packages/vtable/src/state/select/update-position.ts
+++ b/packages/vtable/src/state/select/update-position.ts
@@ -21,6 +21,7 @@ export function updateSelectPosition(
   const { table, interactionState } = state;
   const { scenegraph } = table;
   const { highlightScope, disableHeader, cellPos } = state.select;
+
   if ((disableHeader && table.isHeader(col, row)) || highlightScope === 'none') {
     col = -1;
     row = -1;
@@ -61,13 +62,7 @@ export function updateSelectPosition(
       end: { col: table.colCount - 1, row: table.rowCount - 1 }
     });
     const currentRange = state.select.ranges[state.select.ranges.length - 1];
-    scenegraph.updateCellSelectBorder(
-      currentRange.start.col,
-      currentRange.start.row,
-      currentRange.end.col,
-      currentRange.end.row,
-      false
-    );
+    scenegraph.updateCellSelectBorder(currentRange, false);
   } else if (cellPos.col !== -1 && cellPos.row !== -1 && (col === -1 || row === -1)) {
     // 输入-1清空选中状态
     // clearMultiSelect(scenegraph, ranges, highlightScope, singleStyle);
@@ -102,12 +97,7 @@ export function updateSelectPosition(
         currentRange.end = { col, row };
       }
       scenegraph.deleteLastSelectedRangeComponents();
-      scenegraph.updateCellSelectBorder(
-        currentRange.start.col,
-        currentRange.start.row,
-        currentRange.end.col,
-        currentRange.end.row
-      );
+      scenegraph.updateCellSelectBorder(currentRange);
       // } else if (isCtrl) {
       //   cellPos.col = col;
       //   cellPos.row = row;
@@ -121,7 +111,7 @@ export function updateSelectPosition(
       //   // 更新select border
       //   // calculateAndUpdateMultiSelectBorder(scenegraph, col, row, col, row, state.select.ranges);
       //   // 更新select border
-      //   scenegraph.updateCellSelectBorder(cellPos.col, cellPos.row, cellPos.col, cellPos.row);
+      //   scenegraph.updateCellSelectBorder(cellPos);
     } else {
       let extendSelectRange = true;
       // 单选或多选开始
@@ -130,30 +120,39 @@ export function updateSelectPosition(
         scenegraph.deleteAllSelectBorder();
       }
       if (state.select.headerSelectMode !== 'cell' && table.isColumnHeader(col, row)) {
+        // 选中行表头
         const cellRange = table.getCellRange(col, row);
         state.select.ranges.push({
           start: { col: cellRange.start.col, row },
-          end: { col: cellRange.end.col, row: table.rowCount - 1 }
+          end: { col: cellRange.end.col, row: table.rowCount - 1 },
+          skipBodyMerge: true
         });
       } else if (state.select.headerSelectMode !== 'cell' && table.isRowHeader(col, row)) {
+        // 选中列表头
         const cellRange = table.getCellRange(col, row);
         state.select.ranges.push({
           start: { col, row: cellRange.start.row },
-          end: { col: table.colCount - 1, row: cellRange.end.row }
+          end: { col: table.colCount - 1, row: cellRange.end.row },
+          skipBodyMerge: true
         });
       } else if ((table.internalProps.layoutMap as SimpleHeaderLayoutMap).isSeriesNumberInHeader(col, row)) {
+        // 选中表头行号单元格
         extendSelectRange = false;
         state.select.ranges.push({
           start: { col: 0, row: 0 },
-          end: { col: table.colCount - 1, row: table.rowCount - 1 }
+          end: { col: table.colCount - 1, row: table.rowCount - 1 },
+          skipBodyMerge: true
         });
       } else if ((table.internalProps.layoutMap as SimpleHeaderLayoutMap).isSeriesNumberInBody(col, row)) {
+        // 选中内容行号单元格
         extendSelectRange = false;
         state.select.ranges.push({
           start: { col, row: row },
-          end: { col: table.colCount - 1, row: row }
+          end: { col: table.colCount - 1, row: row },
+          skipBodyMerge: true
         });
       } else if (col >= 0 && row >= 0) {
+        // 选中普通单元格
         const cellRange = table.getCellRange(col, row);
         state.select.ranges.push({
           start: { col: cellRange.start.col, row: cellRange.start.row },
@@ -164,14 +163,7 @@ export function updateSelectPosition(
       cellPos.row = row;
       // scenegraph.setCellNormalStyle(col, row);
       const currentRange = state.select.ranges?.[state.select.ranges.length - 1];
-      currentRange &&
-        scenegraph.updateCellSelectBorder(
-          currentRange.start.col,
-          currentRange.start.row,
-          currentRange.end.col,
-          currentRange.end.row,
-          extendSelectRange
-        );
+      currentRange && scenegraph.updateCellSelectBorder(currentRange, extendSelectRange);
     }
   } else if (
     (interactionState === InteractionState.grabing || table.eventManager.isDraging) &&
@@ -264,13 +256,7 @@ export function updateSelectPosition(
           };
         }
       }
-      scenegraph.updateCellSelectBorder(
-        currentRange.start.col,
-        currentRange.start.row,
-        currentRange.end.col,
-        currentRange.end.row,
-        extendSelectRange
-      );
+      scenegraph.updateCellSelectBorder(currentRange, extendSelectRange);
     }
   }
   scenegraph.updateNextFrame();
diff --git a/packages/vtable/src/state/state.ts b/packages/vtable/src/state/state.ts
index 2495efdc6..234f28fd7 100644
--- a/packages/vtable/src/state/state.ts
+++ b/packages/vtable/src/state/state.ts
@@ -63,7 +63,7 @@ export class StateManager {
   interactionState: InteractionState;
   // select记录两个位置，第二个位置只在range模式生效
   select: {
-    ranges: CellRange[];
+    ranges: (CellRange & { skipBodyMerge?: boolean })[];
     highlightScope: HighlightScope;
     cellPos: CellPosition;
     // cellPosStart: CellPosition;