:art: fix https://github.com/siyuan-note/siyuan/issues/11275#issuecomment-2119783575

app/src/menus/index.ts

@@ -15,7 +15,6 @@ import {App} from "../index";
 import {Constants} from "../constants";
 import {textMenu} from "./text";
 
-
 export class Menus {
     public menu: Menu;
 

app/src/menus/text.ts

@@ -9,6 +9,13 @@ export const textMenu = (target: Element) => {
         label: window.siyuan.languages.copy,
         icon: "iconCopy",
         click() {
+            if (getSelection().rangeCount === 0) {
+                return;
+            }
+            const range = getSelection().getRangeAt(0);
+            if (!range.toString()) {
+                getSelection().getRangeAt(0).selectNode(target);
+            }
             document.execCommand("copy");
         }
     });