diff --git a/docs/en-US/component/table.md b/docs/en-US/component/table.md
index 984e790cab..d9d21124e5 100644
--- a/docs/en-US/component/table.md
+++ b/docs/en-US/component/table.md
@@ -321,7 +321,7 @@ table/table-layout
 | ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------- |
 | clearSelection     | used in multiple selection Table, clear user selection                                                                                                            | ^[Function]`() => void`                                                    |
 | getSelectionRows   | returns the currently selected rows                                                                                                                               | ^[Function]`() => void`                                                    |
-| toggleRowSelection | used in multiple selection Table, toggle if a certain row is selected. With the second parameter, you can directly set if this row is selected                    | ^[Function]`(row: any, selected: boolean) => void`                         |
+| toggleRowSelection | used in multiple selection Table, toggle if a certain row is selected. With the second parameter, you can directly set if this row is selected                    | ^[Function]`(row: any, selected?: boolean) => void`                        |
 | toggleAllSelection | used in multiple selection Table, toggle select all and deselect all                                                                                              | ^[Function]`() => void`                                                    |
 | toggleRowExpansion | used in expandable Table or tree Table, toggle if a certain row is expanded. With the second parameter, you can directly set if this row is expanded or collapsed | ^[Function]`(row: any, expanded?: boolean) => void`                        |
 | setCurrentRow      | used in single selection Table, set a certain row selected. If called without any parameter, it will clear selection                                              | ^[Function]`(row: any) => void`                                            |
diff --git a/packages/components/table/src/store/watcher.ts b/packages/components/table/src/store/watcher.ts
index cd35b5cb88..6552b23006 100644
--- a/packages/components/table/src/store/watcher.ts
+++ b/packages/components/table/src/store/watcher.ts
@@ -190,7 +190,7 @@ function useWatcher<T>() {
 
   const toggleRowSelection = (
     row: T,
-    selected = undefined,
+    selected?: boolean,
     emitChange = true
   ) => {
     const changed = toggleRowStatus(selection.value, row, selected)
diff --git a/packages/components/table/src/table/utils-helper.ts b/packages/components/table/src/table/utils-helper.ts
index 99768ab0c6..f09abfbf01 100644
--- a/packages/components/table/src/table/utils-helper.ts
+++ b/packages/components/table/src/table/utils-helper.ts
@@ -8,7 +8,7 @@ function useUtils<T>(store: Store<T>) {
   const getSelectionRows = () => {
     return store.getSelectionRows()
   }
-  const toggleRowSelection = (row: T, selected: boolean) => {
+  const toggleRowSelection = (row: T, selected?: boolean) => {
     store.toggleRowSelection(row, selected, false)
     store.updateAllSelected()
   }
diff --git a/packages/components/table/src/util.ts b/packages/components/table/src/util.ts
index 5c4f9f14cd..8bf4ddba6f 100644
--- a/packages/components/table/src/util.ts
+++ b/packages/components/table/src/util.ts
@@ -263,7 +263,7 @@ export function compose(...funcs) {
 export function toggleRowStatus<T>(
   statusArr: T[],
   row: T,
-  newVal: boolean
+  newVal?: boolean
 ): boolean {
   let changed = false
   const index = statusArr.indexOf(row)