:art: https://github.com/siyuan-note/siyuan/issues/12259

app/src/layout/Wnd.ts

@@ -508,7 +508,7 @@ export class Wnd {
         }
     }
 
-    public addTab(tab: Tab, keepCursor = false, isSaveLayout = true) {
+    public addTab(tab: Tab, keepCursor = false, isSaveLayout = true, activeTime?: string) {
         if (keepCursor) {
             tab.headElement?.classList.remove("item--focus");
             tab.panelElement.classList.add("fn__none");
@@ -548,8 +548,7 @@ export class Wnd {
                 event.stopPropagation();
                 event.preventDefault();
             });
-
-            tab.headElement.setAttribute("data-activetime", (new Date()).getTime().toString());
+            tab.headElement.setAttribute("data-activetime", activeTime || (new Date()).getTime().toString());
         }
         const containerElement = this.element.querySelector(".layout-tab-container");
         if (!containerElement.querySelector(".fn__flex-1")) {

app/src/layout/util.ts

@@ -366,7 +366,7 @@ export const JSONToCenter = (
         if (json.active && child.headElement) {
             child.headElement.setAttribute("data-init-active", "true");
         }
-        (layout as Wnd).addTab(child, false, false);
+        (layout as Wnd).addTab(child, false, false, json.activeTime);
         (layout as Wnd).showHeading();
     } else if (json.instance === "Editor" && json.blockId) {
         if (window.siyuan.config.fileTree.openFilesUseCurrentTab) {
@@ -548,6 +548,7 @@ export const layoutToJSON = (layout: Layout | Wnd | Tab | Model, json: any, brea
             }
         }
         json.instance = "Tab";
+        json.activeTime = layout.headElement.getAttribute("data-activetime");
     } else if (layout instanceof Editor) {
         if (!layout.editor.protyle.notebookId && breakObj) {
             breakObj.editor = "true";

app/src/types/config.d.ts

@@ -1774,6 +1774,10 @@ declare namespace Config {
          * Tab title
          */
         title?: string;
+        /**
+         * Tab recent view time
+         */
+        activeTime?: string;
     }
 
     /**
@@ -2292,4 +2296,4 @@ declare namespace Config {
      */
     export type TUILayoutType = "normal" | "center" | "top" | "bottom" | "left" | "right";
 
-}
+}