diff --git a/src/services/wiki/index.ts b/src/services/wiki/index.ts
index 1ae6d2bd..dc289f73 100644
--- a/src/services/wiki/index.ts
+++ b/src/services/wiki/index.ts
@@ -517,12 +517,22 @@ export class Wiki implements IWikiService {
       if (!syncOnlyWhenNoDraft) {
         return true;
       }
-      const draftTitles = await this.wikiOperation(WikiChannel.runFilter, id, '[is[draft]]');
-      // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
-      if (Array.isArray(draftTitles) && draftTitles.length > 0) {
-        return false;
+      try {
+        const draftTitles = await this.wikiOperation(WikiChannel.runFilter, id, '[is[draft]]');
+        // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
+        if (Array.isArray(draftTitles) && draftTitles.length > 0) {
+          return false;
+        }
+        return true;
+      } catch (error) {
+        logger.error(
+          `${(error as Error).message} when checking draft titles. ${
+            (error as Error).stack ?? ''
+          }\n This might because it just will throw error when on Windows and App is at background (BrowserView will disappear and not accessible.)`,
+        );
+        // when app is on background, might have no draft, because user won't edit it. So just return true
+        return true;
       }
-      return true;
     };
     const userInfo = await this.authService.getStorageServiceUserInfo(storageService);
 
diff --git a/src/services/wiki/wikiOperations.ts b/src/services/wiki/wikiOperations.ts
index 5996ab27..9302096d 100644
--- a/src/services/wiki/wikiOperations.ts
+++ b/src/services/wiki/wikiOperations.ts
@@ -21,7 +21,10 @@ function sendToMainWindowNoWait(type: WikiChannel, workspaceID: string, messages
   browserView?.webContents?.send?.(type, ...messages);
 }
 /**
- * Send to main window renderer (preload script) and wait for response
+ * Send to main window renderer (preload script) and wait for response.
+ *
+ * Will throw error when on Windows and App is at background (BrowserView will disappear and not accessible.) https://github.com/tiddly-gittly/TidGi-Desktop/issues/398
+ *
  * @param type The handler on renderer (preload script) side should implement `ipcRenderer.send(WikiChannel.xxx, nonceReceived, result);`, where `result` is usually `string[]` (the default type for `<T>` in function signature)
  * @returns undefined if main window webContents is not found
  */