diff --git a/packages/devui-vue/devui/code-review/src/code-review.tsx b/packages/devui-vue/devui/code-review/src/code-review.tsx
index ef34cca27c..c1ea435294 100644
--- a/packages/devui-vue/devui/code-review/src/code-review.tsx
+++ b/packages/devui-vue/devui/code-review/src/code-review.tsx
@@ -14,7 +14,7 @@ import './code-review.scss';
 export default defineComponent({
   name: 'DCodeReview',
   props: codeReviewProps,
-  emits: ['foldChange', 'addComment', 'afterViewInit', 'contentRefresh'],
+  emits: ['foldChange', 'addComment', 'afterViewInit', 'contentRefresh', 'afterCheckLines'],
   setup(props: CodeReviewProps, ctx: SetupContext) {
     const ns = useNamespace('code-review');
     const { diffType } = toRefs(props);
diff --git a/packages/devui-vue/devui/code-review/src/composables/use-code-review-comment.ts b/packages/devui-vue/devui/code-review/src/composables/use-code-review-comment.ts
index 2bbcd41ab6..7df895e24f 100644
--- a/packages/devui-vue/devui/code-review/src/composables/use-code-review-comment.ts
+++ b/packages/devui-vue/devui/code-review/src/composables/use-code-review-comment.ts
@@ -14,7 +14,7 @@ import {
 export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props: CodeReviewProps, ctx: SetupContext) {
   const { outputFormat, allowComment, allowChecked } = toRefs(props);
   const ns = useNamespace('code-review');
-  const { onMousedown } = useCodeReviewLineSelection(reviewContentRef, props, updateLineNumbers, updateLineNumbers);
+  const { onMousedown } = useCodeReviewLineSelection(reviewContentRef, props, updateLineNumbers, updateLineNumbers, afterCheckLines);
   const commentLeft = ref(-100);
   const commentTop = ref(-100);
   let currentLeftLineNumber = -1;
@@ -24,6 +24,8 @@ export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props:
   let currentLeftLineNumbers: Array<number> = [];
   let currentRightLineNumbers: Array<number> = [];
   let checkedLineCodeString: Array<string> | Record<string, Array<string>> = {};
+  let allTrNodes: NodeListOf<Element> = [];
+  let afterCheckLinesEmitData: Record<string, any>;
   watch(
     () => outputFormat.value,
     () => {
@@ -137,11 +139,9 @@ export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props:
   };
   // 获取一些公共类和判断
   const getCommonClassAndJudge = () => {
-    const lineClassName = props.outputFormat === 'line-by-line' ? '.d2h-code-linenumber' : '.d2h-code-side-linenumber';
-    const linenumberDom = reviewContentRef.value.querySelectorAll(lineClassName);
     const checkedLine = [currentLeftLineNumbers, currentRightLineNumbers];
     return {
-      linenumberDom,
+      linenumberDom: allTrNodes,
       checkedLine,
     };
   };
@@ -217,6 +217,15 @@ export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props:
     currentRightLineNumbers =
       currentRightLineNumber === -1 ? currentRightLineNumbers : getLineNumbers(currentRightLineNumber, currentRightLineNumbers);
     getCheckedLineCode(false);
+    afterCheckLinesEmitData = {
+      left: currentLeftLineNumber,
+      right: currentRightLineNumber,
+      details: {
+        lefts: currentLeftLineNumbers,
+        rights: currentRightLineNumbers,
+        codes: checkedLineCodeString,
+      },
+    };
   }
   const updateCheckedLineClass = () => {
     getCheckedLineCode(true);
@@ -266,6 +275,9 @@ export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props:
     // 点击添加评论图标触发的事件
     ctx.emit('addComment', obj);
   };
+  function afterCheckLines() {
+    ctx.emit('afterCheckLines', afterCheckLinesEmitData);
+  }
   // 图标或者单行的点击
   const onCommentIconClick = (e: Event) => {
     if (e) {
@@ -327,13 +339,19 @@ export function useCodeReviewComment(reviewContentRef: Ref<HTMLElement>, props:
     resetCommentClass();
   };
 
+  const handleMouseDown = (e: MouseEvent) => {
+    const lineClassName = props.outputFormat === 'line-by-line' ? '.d2h-code-linenumber' : '.d2h-code-side-linenumber';
+    allTrNodes = reviewContentRef.value.querySelectorAll(lineClassName);
+    onMousedown(e);
+  };
+
   const mouseEvent: Record<string, (e: MouseEvent) => void> = {};
   if (allowComment.value) {
     mouseEvent.onMousemove = onMouseMove;
     mouseEvent.onMouseleave = onMouseleave;
   }
   if (props.allowChecked) {
-    mouseEvent.onMousedown = onMousedown;
+    mouseEvent.onMousedown = handleMouseDown;
   }
 
   window.addEventListener('scroll', resetLeftTop);
diff --git a/packages/devui-vue/devui/code-review/src/composables/use-code-review-line-selection.ts b/packages/devui-vue/devui/code-review/src/composables/use-code-review-line-selection.ts
index 4aa9ba0829..2525ffed52 100644
--- a/packages/devui-vue/devui/code-review/src/composables/use-code-review-line-selection.ts
+++ b/packages/devui-vue/devui/code-review/src/composables/use-code-review-line-selection.ts
@@ -7,6 +7,7 @@ export function useCodeReviewLineSelection(
   reviewContentRef: Ref<HTMLElement>,
   props: CodeReviewProps,
   mouseDownCb: () => void,
+  mouseMoveCb: () => void,
   mouseupCb: () => void
 ) {
   const ns = useNamespace('code-review');
@@ -14,6 +15,7 @@ export function useCodeReviewLineSelection(
   let startTrNode: HTMLElement;
   let trNodes: HTMLElement[];
   let isClickedLeft: boolean | undefined;
+  let shouldClear: boolean;
   let isMouseMoved: boolean;
 
   const onMousedown = (e: MouseEvent) => {
@@ -41,6 +43,7 @@ export function useCodeReviewLineSelection(
       }
 
       dragging = true;
+      shouldClear = true;
       isMouseMoved = false;
       mouseDownCb();
       e.preventDefault();
@@ -55,6 +58,10 @@ export function useCodeReviewLineSelection(
       return;
     }
     isMouseMoved = true;
+    if (shouldClear) {
+      clearCommentChecked();
+      shouldClear = false;
+    }
     const composedPath = e.composedPath() as HTMLElement[];
     const inReviewContent = composedPath.some((item) => item.classList?.contains(ns.e('content')));
     if (!inReviewContent) {
@@ -69,6 +76,7 @@ export function useCodeReviewLineSelection(
     if (endIndex === -1) {
       return;
     }
+    mouseMoveCb();
     if (startIndex > endIndex) {
       [startIndex, endIndex] = [endIndex, startIndex];
     }
@@ -99,6 +107,13 @@ export function useCodeReviewLineSelection(
     document.removeEventListener('mousemove', onMousemove);
   }
 
+  // 清除上次的选中
+  function clearCommentChecked() {
+    for (let i = 0; i < trNodes.length; i++) {
+      toggleCommentCheckedClass(trNodes[i], false, 'all');
+    }
+  }
+
   function toggleCommentCheckedClass(trNode: HTMLElement, isAddClass: boolean, position: 'left' | 'right' | 'all') {
     const tdNodes = Array.from(trNode.children);
     let toDoNodes;
@@ -109,7 +124,7 @@ export function useCodeReviewLineSelection(
     } else {
       toDoNodes = tdNodes.slice(2);
     }
-    if ((position === 'left' || position === 'right') && isNaN(parseInt(toDoNodes[0].innerHTML))) {
+    if ((position === 'left' || position === 'right') && isNaN(parseInt(toDoNodes[0]?.innerHTML))) {
       return;
     }
     toDoNodes.forEach((item) => {
diff --git a/packages/devui-vue/docs/components/code-review/index.md b/packages/devui-vue/docs/components/code-review/index.md
index c4663fe8c0..831b38849b 100644
--- a/packages/devui-vue/docs/components/code-review/index.md
+++ b/packages/devui-vue/docs/components/code-review/index.md
@@ -597,6 +597,7 @@ export default defineComponent({
 | add-comment     | `Function(position: CommentPosition)`  | 点击添加评论图标时触发的事件，参数内容详见[CommentPosition](#commentposition)                                                               |
 | after-view-init | `Function(methods: CodeReviewMethods)` | 初始化完成后触发的事件，返回相关操作方法，参数内容详见[CodeReviewMethods](#codereviewmethods)                                               |
 | content-refresh | `Function(diffFile: DiffFile)`         | 内容刷新后触发的事件，返回解析后的相关文件信息，参数内容详见[DiffFile](https://github.com/rtfpessoa/diff2html/blob/master/src/types.ts#L49) |
+|after-check-lines|`Function(position: CommentPosition)`|多行选中后触发的事件，参数内容详见[CommentPosition](#commentposition)|
 
 ### CodeReview 插槽