From 5d736483ec80e1071b2f3eab4fcd64aac5856271 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Mon, 7 Nov 2022 17:17:14 +0800
Subject: [PATCH] :art: fix https://github.com/siyuan-note/siyuan/issues/6505

---
 app/src/mobile/util/MobileBackFoward.ts | 2 +-
 app/src/protyle/markdown/blockRender.ts | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/src/mobile/util/MobileBackFoward.ts b/app/src/mobile/util/MobileBackFoward.ts
index 0224abe95..352a68d0b 100644
--- a/app/src/mobile/util/MobileBackFoward.ts
+++ b/app/src/mobile/util/MobileBackFoward.ts
@@ -68,7 +68,7 @@ const focusStack = (backStack: IBackStack) => {
         protyle.wysiwyg.element.innerHTML = getResponse.data.content;
         processRender(protyle.wysiwyg.element);
         highlightRender(protyle.wysiwyg.element);
-        blockRender(protyle, protyle.wysiwyg.element);
+        blockRender(protyle, protyle.wysiwyg.element, backStack.scrollTop);
         if (getResponse.data.isSyncing) {
             disabledForeverProtyle(protyle);
         } else {
diff --git a/app/src/protyle/markdown/blockRender.ts b/app/src/protyle/markdown/blockRender.ts
index f6165252f..ab690ed52 100644
--- a/app/src/protyle/markdown/blockRender.ts
+++ b/app/src/protyle/markdown/blockRender.ts
@@ -5,7 +5,7 @@ import {highlightRender} from "./highlightRender";
 import {Constants} from "../../constants";
 import {genBreadcrumb} from "../wysiwyg/renderBacklink";
 
-export const blockRender = (protyle: IProtyle, element: Element) => {
+export const blockRender = (protyle: IProtyle, element: Element, top?: number) => {
     let blockElements: Element[] = [];
     if (element.getAttribute("data-type") === "NodeBlockQueryEmbed") {
         // 编辑器内代码块编辑渲染
@@ -64,6 +64,10 @@ export const blockRender = (protyle: IProtyle, element: Element) => {
 
             processRender(item);
             highlightRender(item);
+            if (top) {
+                // 前进后退定位 https://ld246.com/article/1667652729995
+                protyle.contentElement.scrollTop = top;
+            }
             let maxDeep = 0;
             let deepEmbedElement: false | HTMLElement = item;
             while (maxDeep < 4 && deepEmbedElement) {