fix: 固定的操作列必须有固定宽度

src/components/table/dstable/index.js

@@ -94,6 +94,7 @@ class DsTable extends React.Component {
           title: '操作',
           key: createUniqueKey(tableProps.columns, 'operations'),
           fixed: 'right',
+          width: 150,
           render: (text, record, rowIndex, meta, globalMeta) => {
             return (
               <div style={{ whiteSpace: 'nowrap' }}>