bug fix

src/view/Manage/Model/Component/ImportActionTable.jsx

@@ -364,6 +364,7 @@ export const ImportActionTable = (props) => {
       width: 70,
       dataIndex: 'notNull',
       editable: true,
+      ellipsis: true,
       render: (notNull, record, index) => {
         if (!notNull) {
           return '-';