fix: 修复表格固定列计算异常

app_Web/src/components/widgets/grid-control/grid-control.util.ts

@@ -136,7 +136,12 @@ export function useITableColumns(c: GridController) {
     }
     // 计算列的固定状态
     const allNum = copy.length;
-    const { frozenFirstColumn, frozenLastColumn } = c.model;
+    let { frozenFirstColumn } = c.model;
+    const { frozenLastColumn } = c.model;
+    // 多选时固定列应添加选择列
+    if (!c.singleSelect && frozenFirstColumn) {
+      frozenFirstColumn += 1;
+    }
     copy.forEach((column, index) => {
       if (frozenFirstColumn && index < frozenFirstColumn) {
         column.fixed = 'left';