diff --git a/app/src/menus/protyle.ts b/app/src/menus/protyle.ts
index bb24652b7..ec60e229b 100644
--- a/app/src/menus/protyle.ts
+++ b/app/src/menus/protyle.ts
@@ -19,7 +19,7 @@ import {transaction, updateTransaction} from "../protyle/wysiwyg/transaction";
 import {openMenu} from "./commonMenuItem";
 import {fetchPost} from "../util/fetch";
 import {Constants} from "../constants";
-import {readText, writeText} from "../protyle/util/compatibility";
+import {copyPlainText, readText, writeText} from "../protyle/util/compatibility";
 import {preventScroll} from "../protyle/scroll/preventScroll";
 import {onGet} from "../protyle/util/onGet";
 import {getAllModels} from "../layout/getAll";
@@ -296,7 +296,7 @@ export const contentMenu = (protyle: IProtyle, nodeElement: Element) => {
                 cloneContents.querySelectorAll('[data-type="backslash"]').forEach(item => {
                     item.firstElementChild.remove();
                 });
-                writeText(cloneContents.textContent);
+                copyPlainText(cloneContents.textContent);
             }
         }).element);
         window.siyuan.menus.menu.append(new MenuItem({
diff --git a/app/src/protyle/gutter/index.ts b/app/src/protyle/gutter/index.ts
index 38886541b..7a79e745f 100644
--- a/app/src/protyle/gutter/index.ts
+++ b/app/src/protyle/gutter/index.ts
@@ -3,7 +3,7 @@ import {getIconByType} from "../../editor/getIcon";
 import {iframeMenu, setFold, tableMenu, videoMenu, zoomOut} from "../../menus/protyle";
 import {MenuItem} from "../../menus/Menu";
 import {copySubMenu, openAttr, openWechatNotify} from "../../menus/commonMenuItem";
-import {updateHotkeyTip, writeText} from "../util/compatibility";
+import {copyPlainText, updateHotkeyTip, writeText} from "../util/compatibility";
 import {
     transaction,
     turnsIntoOneTransaction, turnsIntoTransaction,
@@ -591,7 +591,7 @@ export class Gutter {
                             html += cloneNode.textContent + "\n";
                         });
                     });
-                    writeText(html.trimEnd());
+                    copyPlainText(html.trimEnd());
                 }
             }, {
                 label: window.siyuan.languages.copy + " HTML",
@@ -966,7 +966,7 @@ export class Gutter {
                         });
                         text += cloneNode.textContent + "\n";
                     });
-                    writeText(text.trimEnd());
+                    copyPlainText(text.trimEnd());
                 }
             }, {
                 label: window.siyuan.languages.copy + " HTML",
diff --git a/app/src/protyle/util/compatibility.ts b/app/src/protyle/util/compatibility.ts
index fdd0fb075..7fddf65ca 100644
--- a/app/src/protyle/util/compatibility.ts
+++ b/app/src/protyle/util/compatibility.ts
@@ -1,5 +1,6 @@
 import {focusByRange} from "./selection";
 import {fetchPost} from "../../util/fetch";
+import {Constants} from "../../constants";
 
 export const openByMobile = (uri: string) => {
     if (!uri) {
@@ -59,6 +60,11 @@ export const writeText = async (text: string) => {
     }
 };
 
+export const copyPlainText = async (text: string) => {
+    text = text.replace(new RegExp(Constants.ZWSP, "g"), ""); // `复制纯文本` 时移除所有零宽空格 https://github.com/siyuan-note/siyuan/issues/6674
+    await writeText(text);
+};
+
 // 用户 iPhone 点击延迟/需要双击的处理
 export const getEventName = () => {
     if (navigator.userAgent.indexOf("iPhone") > -1) {
diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index 17ac9d4e6..efbb027dc 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -1,5 +1,5 @@
 import {hideElements} from "../ui/hideElements";
-import {getEventName, isCtrl, isMac, writeText} from "../util/compatibility";
+import {copyPlainText, getEventName, isCtrl, isMac, writeText} from "../util/compatibility";
 import {
     focusBlock,
     focusByRange,
@@ -1372,7 +1372,7 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                         html += cloneNode.textContent + "\n";
                     });
                 });
-                writeText(html.trimEnd());
+                copyPlainText(html.trimEnd());
             } else {
                 const cloneContents = range.cloneContents();
                 cloneContents.querySelectorAll('[data-type="backslash"]').forEach(item => {