diff --git a/app/src/protyle/util/selection.ts b/app/src/protyle/util/selection.ts
index 8a4745541..034820a9c 100644
--- a/app/src/protyle/util/selection.ts
+++ b/app/src/protyle/util/selection.ts
@@ -204,7 +204,8 @@ export const getSelectionPosition = (nodeElement: Element, range?: Range) => {
             }
         }
     } else {
-        cursorRect = range.getBoundingClientRect();
+        const rects = range.getClientRects(); // 由于长度过长折行，光标在行首时有多个 rects https://github.com/siyuan-note/siyuan/issues/6156
+        cursorRect = rects[rects.length - 1];
     }
 
     return {
diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index 63d358cd1..00ed71009 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -592,7 +592,8 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                         nodeElement.contains(firstEditElement)
                     ) ||
                     (!firstEditElement && nodeElement.isSameNode(protyle.wysiwyg.element.firstElementChild))) {
-                    if (nodeEditableElement?.textContent.substr(0, position.end).indexOf("\n") === -1) {
+                    // 不能用\n判断，否则文字过长折行将错误 https://github.com/siyuan-note/siyuan/issues/6156
+                    if (getSelectionPosition(nodeElement, range).top - protyle.wysiwyg.element.getBoundingClientRect().top < 40) {
                         if (protyle.title && (protyle.wysiwyg.element.firstElementChild.getAttribute("data-eof") === "true" ||
                             protyle.contentElement.scrollTop === 0)) {
                             protyle.title.editElement.focus();