diff --git a/CHANGELOG.md b/CHANGELOG.md
index e253ed358..9aa0d4522 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@
 
 ### v3.3.12 / 2020-07-xx
 
+* [623](/~https://github.com/Vanessa219/vditor/pull/623) 修复即时渲染模式下复制光标位置错误和添加位置错误的问题 `修复缺陷`
 * [608](/~https://github.com/Vanessa219/vditor/issues/608) 更新使用截图和演示动画 `文档相关`
 * [587](/~https://github.com/Vanessa219/vditor/issues/587) IR & SV 保留 Setext 风格标题 `改进功能`
 * [626](/~https://github.com/Vanessa219/vditor/issues/626) 去除 Setext 标题解析开关 `开发重构`
diff --git a/src/ts/util/fixBrowserBehavior.ts b/src/ts/util/fixBrowserBehavior.ts
index b609d442e..7d988e0bc 100644
--- a/src/ts/util/fixBrowserBehavior.ts
+++ b/src/ts/util/fixBrowserBehavior.ts
@@ -1347,8 +1347,7 @@ export const paste = (vditor: IVditor, event: ClipboardEvent & { target: HTMLEle
             if (vditor.currentMode === "wysiwyg") {
                 blockElement.outerHTML = vditor.lute.SpinVditorDOM(blockElement.outerHTML);
             } else {
-                const range = window.getSelection().getRangeAt(0);
-                IRInput(vditor, range);
+                blockElement.outerHTML = vditor.lute.SpinVditorIRDOM(blockElement.outerHTML);
             }
             setRangeByWbr(vditor[vditor.currentMode].element, range);
             vditor[vditor.currentMode].element.querySelectorAll(`.vditor-${vditor.currentMode}__preview[data-render='2']`)