diff --git a/src/view.ts b/src/view.ts
index c11d9e3..d289588 100644
--- a/src/view.ts
+++ b/src/view.ts
@@ -355,6 +355,21 @@ export class CSVView extends TextFileView {
 			onMoveColLeft: (colIdx) => this.moveCol(colIdx, colIdx - 1),
 			onMoveColRight: (colIdx) => this.moveCol(colIdx, colIdx + 1),
 		});
+
+		// 在 refresh 方法中调用 setupColumnResize，为列号和行号单元格绑定拖拽事件
+		this.tableData[0].forEach((_, index) => {
+			const resizeHandle = this.tableEl.querySelector(`.resize-handle[data-index='${index}']`) as HTMLElement;
+			if (resizeHandle) {
+				this.setupColumnResize(resizeHandle, index);
+			}
+		});
+
+		this.tableData.forEach((_, rowIndex) => {
+			const resizeHandleRow = this.tableEl.querySelector(`.resize-handle-row[data-row-index='${rowIndex}']`) as HTMLElement;
+			if (resizeHandleRow) {
+				this.setupColumnResize(resizeHandleRow, rowIndex);
+			}
+		});
 	}
 
 	// 新增：获取列标签（A, B, C, ... Z, AA, AB, ...）
diff --git a/src/view/table-render.ts b/src/view/table-render.ts
index 59d1506..c28bcc0 100644
--- a/src/view/table-render.ts
+++ b/src/view/table-render.ts
@@ -154,6 +154,10 @@ export function renderTable(options: TableRenderOptions) {
           th.classList.add('csv-dragging-highlight');
         }
       }
+
+      // 在列号单元格中添加拖拽事件处理逻辑
+      const resizeHandle = th.createEl("div", { cls: "resize-handle" });
+      setupColumnResize(resizeHandle, index);
     });
   }
 
@@ -184,6 +188,7 @@ export function renderTable(options: TableRenderOptions) {
       headerInput.onfocus = (ev) => {
         setActiveCell(0, index, ev.currentTarget as HTMLInputElement);
       };
+      // 在列号单元格中添加拖拽事件处理逻辑
       const resizeHandle = th.createEl("div", { cls: "resize-handle" });
       setupColumnResize(resizeHandle, index);
     });