@@ -466,10 +466,10 @@ class CTable extends Component {
466466 */
467467 setCheckedData = ( ) => {
468468 // 更新叶子节点 leafNodesMap 的选中状态
469- this . props . checkedData . forEach ( ( cNode ) => {
469+ this . props . checkedData ? .forEach ( ( cNode ) => {
470470 const cNodeVal = this . getKeyFieldVal ( cNode ) ;
471471 if ( this . leafNodesMap [ cNodeVal ] ) {
472- this . leafNodesMap [ cNodeVal ] . childNodes . forEach ( ( node ) => {
472+ this . leafNodesMap [ cNodeVal ] ? .childNodes ? .forEach ( ( node ) => {
473473 Object . assign ( node , { checked : true } ) ;
474474 } ) ;
475475 } else {
@@ -479,7 +479,7 @@ class CTable extends Component {
479479 } ) ;
480480 const leafNodeKeys = Object . keys ( this . leafNodesMap ) ;
481481 leafNodeKeys . forEach ( ( key ) => {
482- const isCheckedNode = ! ! this . props . checkedData . find (
482+ const isCheckedNode = ! ! this . props ? .checkedData . find (
483483 ( node ) => String ( this . getKeyFieldVal ( node ) ) === String ( key ) ,
484484 ) ;
485485 // 不是已选节点 && (没有子节点被选中 或者 全部子节点都被选中)
@@ -489,7 +489,7 @@ class CTable extends Component {
489489 isEveryChecked ( this . leafNodesMap [ key ] . childNodes ) )
490490 ) {
491491 if ( typeof this . leafNodesMap [ key ] === 'object' ) {
492- this . leafNodesMap [ key ] . childNodes . forEach ( ( node ) => {
492+ this . leafNodesMap [ key ] ? .childNodes ? .forEach ( ( node ) => {
493493 Object . assign ( node , { checked : false } ) ;
494494 } ) ;
495495 } else {
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