:sparkles: https://github.com/siyuan-note/siyuan/issues/4042

app/src/layout/Wnd.ts

@@ -312,6 +312,24 @@ export class Wnd {
             }
         });
 
+        const initData = currentTab.headElement.getAttribute("data-initdata")
+        if (initData) {
+            const json = JSON.parse(initData);
+            currentTab.addModel(new Editor({
+                tab: currentTab,
+                blockId: json.blockId,
+                mode: json.mode,
+                action: [json.action],
+                scrollAttr: json.scrollAttr,
+            }));
+            currentTab.headElement.removeAttribute("data-initdata");
+            return;
+        }
+
+        if (currentTab && target === currentTab.headElement && currentTab.model instanceof Graph) {
+            currentTab.model.onGraph(false);
+        }
+
         if (currentTab && currentTab.model instanceof Editor) {
             const keepCursorId = currentTab.headElement.getAttribute("keep-cursor");
             if (keepCursorId) {
@@ -343,29 +361,9 @@ export class Wnd {
             if (update) {
                 updatePanelByEditor(currentTab.model.editor.protyle, true, pushBack);
             }
-
-            // 切换到屏幕太高的页签 https://github.com/siyuan-note/siyuan/issues/5018
-            const protyle = currentTab.model.editor.protyle;
-            if (!protyle.scroll.element.classList.contains("fn__none") &&
-                protyle.wysiwyg.element.lastElementChild.getAttribute("data-eof") !== "true" &&
-                protyle.contentElement.scrollHeight > 0 &&
-                protyle.contentElement.scrollHeight <= protyle.contentElement.clientHeight) {
-                fetchPost("/api/filetree/getDoc", {
-                    id: protyle.wysiwyg.element.lastElementChild.getAttribute("data-node-id"),
-                    mode: 2,
-                    k: protyle.options.key || "",
-                    size: Constants.SIZE_GET,
-                }, getResponse => {
-                    onGet(getResponse, protyle, [Constants.CB_GET_APPEND, Constants.CB_GET_UNCHANGEID]);
-                });
-            }
         } else {
             updatePanelByEditor(undefined, false);
         }
-
-        if (currentTab && target === currentTab.headElement && currentTab.model instanceof Graph) {
-            currentTab.model.onGraph(false);
-        }
     }
 
     public addTab(tab: Tab, keepCursor = false) {

app/src/layout/util.ts

@@ -207,13 +207,7 @@ const JSONToCenter = (json: any, layout?: Layout | Wnd | Tab | Model) => {
         }
         (layout as Wnd).addTab(child);
     } else if (json.instance === "Editor" && json.blockId) {
-        (layout as Tab).addModel(new Editor({
-            tab: (layout as Tab),
-            blockId: json.blockId,
-            mode: json.mode,
-            action: [json.action],
-            scrollAttr: json.scrollAttr,
-        }));
+        (layout as Tab).headElement.setAttribute("data-initdata", JSON.stringify(json));
     } else if (json.instance === "Asset") {
         (layout as Tab).addModel(new Asset({
             tab: (layout as Tab),
@@ -308,15 +302,6 @@ export const JSONToLayout = (isStart: boolean) => {
             }
         });
     }
-
-    setTimeout(() => {
-        getAllModels().editor.find(item => {
-            if (item.headElement.classList.contains("item--focus")) {
-                updatePanelByEditor(item.editor.protyle, false, false);
-                return true;
-            }
-        });
-    }, 520);
 };
 
 export const layoutToJSON = (layout: Layout | Wnd | Tab | Model, json: any) => {

app/src/protyle/scroll/event.ts

@@ -4,6 +4,7 @@ import {fetchPost} from "../../util/fetch";
 import {onGet} from "../util/onGet";
 import {showMessage} from "../../dialog/message";
 import {updateHotkeyTip} from "../util/compatibility";
+import {isMobile} from "../../util/functions";
 
 export const scrollEvent = (protyle: IProtyle, element: HTMLElement) => {
     let elementRect = element.getBoundingClientRect();
@@ -21,8 +22,12 @@ export const scrollEvent = (protyle: IProtyle, element: HTMLElement) => {
                 protyle.toolbar.element.style.top = top + "px";
                 protyle.toolbar.element.style.display = "";
             }
-            return;
         }
+
+        if (!protyle.element.classList.contains("block__edit") && !isMobile()) {
+            protyle.contentElement.setAttribute("data-scrolltop", element.scrollTop.toString());
+        }
+
         if (!window.siyuan.dragElement) { // https://ld246.com/article/1649638389841
             hideElements(["gutter"], protyle);
         }

app/src/protyle/scroll/saveScroll.ts

@@ -9,13 +9,15 @@ export const saveScroll = (protyle: IProtyle, getObject = false) => {
     const attr: IScrollAttr = {
         startId: protyle.wysiwyg.element.firstElementChild.getAttribute("data-node-id"),
         endId: protyle.wysiwyg.element.lastElementChild.getAttribute("data-node-id"),
-        scrollTop: protyle.contentElement.scrollTop
+        scrollTop: protyle.contentElement.scrollTop || parseInt(protyle.contentElement.getAttribute("data-scrolltop")) || 0,
     }
     let range: Range
     if (getSelection().rangeCount > 0) {
         range = getSelection().getRangeAt(0)
     }
-
+    if (!range || !protyle.wysiwyg.element.contains(range.startContainer)) {
+        range = protyle.toolbar.range
+    }
     if (range && protyle.wysiwyg.element.contains(range.startContainer)) {
         const blockElement = hasClosestBlock(range.startContainer);
         if (blockElement) {
@@ -23,9 +25,9 @@ export const saveScroll = (protyle: IProtyle, getObject = false) => {
             attr.focusId = blockElement.getAttribute("data-node-id");
             attr.focusStart = position.start
             attr.focusEnd = position.end
-
         }
     }
+
     if (protyle.block.showAll) {
         attr.zoomInId = protyle.block.id
     }