diff --git a/packages/app/src/providers/app-state-provider/dynamic-blocksuite.tsx b/packages/app/src/providers/app-state-provider/dynamic-blocksuite.tsx
index 04611c2d70..51455b7978 100644
--- a/packages/app/src/providers/app-state-provider/dynamic-blocksuite.tsx
+++ b/packages/app/src/providers/app-state-provider/dynamic-blocksuite.tsx
@@ -92,7 +92,7 @@ const DynamicBlocksuite = ({
           (indexDBProvider as IndexedDBDocProvider)?.on('synced', async () => {
             const updates = await downloadWorkspace({ workspaceId });
 
-            if (updates.byteLength) {
+            if (updates && updates.byteLength) {
               Workspace.Y.applyUpdate(workspace.doc, new Uint8Array(updates));
               // if after update, the space:meta is empty, then we need to get map with doc
               workspace.doc.getMap('space:meta');
diff --git a/packages/data-services/src/request/request/authorization/authorization.ts b/packages/data-services/src/request/request/authorization/authorization.ts
index 04d135f224..1009971cd5 100644
--- a/packages/data-services/src/request/request/authorization/authorization.ts
+++ b/packages/data-services/src/request/request/authorization/authorization.ts
@@ -94,6 +94,10 @@ export async function setAuthorization(config: AxiosRequestConfig<unknown>) {
     }
     if (isAccessTokenExpired(token.accessToken)) {
       await refreshToken();
+      token = getToken();
+    }
+    if (!token) {
+      throw new Error('No authorization token.');
     }
     if (!config.headers) {
       config.headers = {};
diff --git a/packages/data-services/src/sdks/workspace.ts b/packages/data-services/src/sdks/workspace.ts
index 23e843ea26..155cbef12b 100644
--- a/packages/data-services/src/sdks/workspace.ts
+++ b/packages/data-services/src/sdks/workspace.ts
@@ -199,7 +199,7 @@ export async function downloadWorkspace(
     responseType: 'arraybuffer',
   });
 
-  return data.data;
+  return data?.data;
 }
 
 export async function uploadBlob(params: { blob: Blob }): Promise<string> {