diff --git a/app/src/asset/index.ts b/app/src/asset/index.ts
index acdbfffba..bd71cd786 100644
--- a/app/src/asset/index.ts
+++ b/app/src/asset/index.ts
@@ -14,6 +14,7 @@ import {webViewerPageNumberChanged} from "./pdf/app";
 import {fetchPost} from "../util/fetch";
 import {setStorageVal, updateHotkeyTip} from "../protyle/util/compatibility";
 import {App} from "../index";
+import {clearOBG} from "../layout/dock/util";
 
 export class Asset extends Model {
     public path: string;
@@ -31,6 +32,7 @@ export class Asset extends Model {
         this.path = options.path;
         this.pdfId = options.page;
         this.element.addEventListener("click", (event) => {
+            clearOBG();
             setPanelFocus(this.element.parentElement.parentElement);
             this.app.plugins.forEach(item => {
                 item.eventBus.emit("click-pdf", {event});
diff --git a/app/src/card/newCardTab.ts b/app/src/card/newCardTab.ts
index d5d0adcb0..49a9c0e22 100644
--- a/app/src/card/newCardTab.ts
+++ b/app/src/card/newCardTab.ts
@@ -5,6 +5,7 @@ import {fetchPost} from "../util/fetch";
 import {Protyle} from "../protyle";
 import {setPanelFocus} from "../layout/util";
 import {App} from "../index";
+import {clearOBG} from "../layout/dock/util";
 
 export const newCardModel = (options: {
     app: App,
@@ -108,6 +109,7 @@ export const newCardModel = (options: {
         }
     });
     customObj.element.addEventListener("click", () => {
+        clearOBG();
         setPanelFocus(customObj.element.parentElement.parentElement);
     });
     return customObj;
diff --git a/app/src/editor/util.ts b/app/src/editor/util.ts
index cf990aff7..2c0f8d16e 100644
--- a/app/src/editor/util.ts
+++ b/app/src/editor/util.ts
@@ -28,6 +28,7 @@ import {Search} from "../search";
 import {App} from "../index";
 import {newCardModel} from "../card/newCardTab";
 import {preventScroll} from "../protyle/scroll/preventScroll";
+import {clearOBG} from "../layout/dock/util";
 
 export const openFileById = async (options: {
     app: App,
@@ -86,9 +87,14 @@ export const openFile = async (options: IOpenFileOptions) => {
     document.querySelectorAll(".av__panel, .av__mask").forEach(item => {
         item.remove();
     });
+    // 打开 PDF 时移除文档光标
+    if (document.activeElement instanceof HTMLElement) {
+        document.activeElement.blur();
+    }
     const allModels = getAllModels();
     // 文档已打开
     if (options.assetPath) {
+        clearOBG();
         const asset = allModels.asset.find((item) => {
             if (item.path == options.assetPath) {
                 if (!pdfIsLoading(item.parent.parent.element)) {
@@ -106,6 +112,7 @@ export const openFile = async (options: IOpenFileOptions) => {
             return asset.parent;
         }
     } else if (options.custom) {
+        clearOBG();
         const custom = allModels.custom.find((item) => {
             if (objEquals(item.data, options.custom.data) && (!options.custom.id || options.custom.id === item.type)) {
                 if (!pdfIsLoading(item.parent.parent.element)) {
@@ -129,6 +136,7 @@ export const openFile = async (options: IOpenFileOptions) => {
             return hasModel;
         }
     } else if (options.searchData) {
+        clearOBG();
         const search = allModels.search.find((item) => {
             if (objEquals(item.config, options.searchData)) {
                 if (!pdfIsLoading(item.parent.parent.element)) {
@@ -547,14 +555,14 @@ export const isCurrentEditor = (blockId: string) => {
     if (activeElement) {
         const tab = getInstanceById(activeElement.getAttribute("data-id"));
         if (tab instanceof Tab && tab.model instanceof Editor) {
-            if (tab.model.editor.protyle.block.rootID !== blockId &&
-                tab.model.editor.protyle.block.parentID !== blockId &&  // updateBacklinkGraph 时会传入 parentID
-                tab.model.editor.protyle.block.id !== blockId) {
-                return false;
+            if (tab.model.editor.protyle.block.rootID === blockId ||
+                tab.model.editor.protyle.block.parentID === blockId ||  // updateBacklinkGraph 时会传入 parentID
+                tab.model.editor.protyle.block.id === blockId) {
+                return true;
             }
         }
     }
-    return true;
+    return false;
 };
 
 export const updateOutline = (models: IModels, protyle: IProtyle, reload = false) => {
diff --git a/app/src/layout/Wnd.ts b/app/src/layout/Wnd.ts
index 3d8641dc8..05ad3e1ba 100644
--- a/app/src/layout/Wnd.ts
+++ b/app/src/layout/Wnd.ts
@@ -40,6 +40,7 @@ import {newCenterEmptyTab, resizeTabs} from "./tabUtil";
 import {fullscreen} from "../protyle/breadcrumb/action";
 import {setPadding} from "../protyle/ui/initUI";
 import {setPosition} from "../util/setPosition";
+import {clearOBG} from "./dock/util";
 
 export class Wnd {
     private app: App;
@@ -497,13 +498,7 @@ export class Wnd {
                 setPadding(currentTab.model.editor.protyle);
             }
         } else {
-            updatePanelByEditor({
-                protyle: undefined,
-                focus: false,
-                pushBackStack: false,
-                reload: false,
-                resize,
-            });
+            clearOBG();
         }
         if (isSaveLayout) {
             saveLayout();
@@ -721,13 +716,7 @@ export class Wnd {
                     // 关闭分屏页签后光标消失
                     const editors = getAllModels().editor;
                     if (editors.length === 0) {
-                        updatePanelByEditor({
-                            protyle: undefined,
-                            focus: true,
-                            pushBackStack: false,
-                            reload: false,
-                            resize: true,
-                        });
+                       clearOBG()
                     } else {
                         editors.forEach(item => {
                             if (!item.element.classList.contains("fn__none")) {
diff --git a/app/src/layout/dock/util.ts b/app/src/layout/dock/util.ts
index 91669de4f..d0e15b30c 100644
--- a/app/src/layout/dock/util.ts
+++ b/app/src/layout/dock/util.ts
@@ -196,3 +196,41 @@ export const toggleDockBar = (useElement: Element) => {
     resizeTabs();
     resetFloatDockSize();
 };
+
+export const clearOBG = () => {
+    const models = getAllModels();
+    models.outline.find(item => {
+        if (item.type === "pin") {
+            if ("" === item.blockId) {
+                return;
+            }
+            item.isPreview = false;
+            item.update({data: [], msg: "", code: 0}, "");
+            item.updateDocTitle();
+        }
+    });
+    models.graph.forEach(item => {
+        if (item.type !== "global") {
+            if (item.type === "local") {
+                return;
+            }
+            if ("" === item.blockId) {
+                return;
+            }
+            item.blockId = "";
+            item.graphData = undefined;
+            item.onGraph(false);
+        }
+    });
+    models.backlink.forEach(item => {
+        if (item.type === "local") {
+            return;
+        }
+        if ("" === item.blockId) {
+            return;
+        }
+        item.saveStatus();
+        item.blockId = "";
+        item.render(undefined);
+    });
+}
diff --git a/app/src/plugin/index.ts b/app/src/plugin/index.ts
index 301df2877..6a65cd60e 100644
--- a/app/src/plugin/index.ts
+++ b/app/src/plugin/index.ts
@@ -14,6 +14,7 @@ import {MobileCustom} from "../mobile/dock/MobileCustom";
 import {hasClosestByAttribute} from "../protyle/util/hasClosest";
 import {BlockPanel} from "../block/Panel";
 import {Setting} from "./Setting";
+import {clearOBG} from "../layout/dock/util";
 
 export class Plugin {
     private app: App;
@@ -268,6 +269,7 @@ export class Plugin {
                 update: options.update,
             });
             customObj.element.addEventListener("click", () => {
+                clearOBG();
                 setPanelFocus(customObj.element.parentElement.parentElement);
             });
             return customObj;
diff --git a/app/src/search/index.ts b/app/src/search/index.ts
index 34651f103..3c1f0dca2 100644
--- a/app/src/search/index.ts
+++ b/app/src/search/index.ts
@@ -4,6 +4,7 @@ import {Protyle} from "../protyle";
 import {genSearch} from "./util";
 import {setPanelFocus} from "../layout/util";
 import {App} from "../index";
+import {clearOBG} from "../layout/dock/util";
 
 export class Search extends Model {
     public element: HTMLElement;
@@ -22,6 +23,7 @@ export class Search extends Model {
         this.config = options.config;
         this.editors = genSearch(options.app, this.config, this.element);
         this.element.addEventListener("click", () => {
+            clearOBG();
             setPanelFocus(this.element.parentElement.parentElement);
         });
     }