diff --git a/application/src/main/java/run/halo/app/migration/impl/MigrationServiceImpl.java b/application/src/main/java/run/halo/app/migration/impl/MigrationServiceImpl.java
index 27bb87214..9e3a668ba 100644
--- a/application/src/main/java/run/halo/app/migration/impl/MigrationServiceImpl.java
+++ b/application/src/main/java/run/halo/app/migration/impl/MigrationServiceImpl.java
@@ -26,6 +26,7 @@ import org.springframework.core.io.Resource;
 import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
 import org.springframework.web.server.ServerWebInputException;
 import reactor.core.Exceptions;
 import reactor.core.publisher.Flux;
@@ -145,7 +146,8 @@ public class MigrationServiceImpl implements MigrationService {
     public Mono<Void> cleanup(Backup backup) {
         return Mono.<Void>create(sink -> {
             var status = backup.getStatus();
-            if (status == null || status.getFilename() == null) {
+            if (status == null || !StringUtils.hasText(status.getFilename())) {
+                sink.success();
                 return;
             }
             var filename = status.getFilename();
diff --git a/application/src/test/java/run/halo/app/migration/impl/MigrationServiceImplTest.java b/application/src/test/java/run/halo/app/migration/impl/MigrationServiceImplTest.java
index 1bbac7df3..808ae0c65 100644
--- a/application/src/test/java/run/halo/app/migration/impl/MigrationServiceImplTest.java
+++ b/application/src/test/java/run/halo/app/migration/impl/MigrationServiceImplTest.java
@@ -153,6 +153,15 @@ class MigrationServiceImplTest {
         assertTrue(Files.notExists(backupFile));
     }
 
+    @Test
+    void cleanupBackupWithNoFilename() {
+        var backup = createSucceededBackup("fake-backup", null);
+        StepVerifier.create(migrationService.cleanup(backup))
+            .verifyComplete();
+        verify(haloProperties, never()).getWorkDir();
+        verify(backupRoot, never()).get();
+    }
+
     @Test
     void downloadBackupTest() throws IOException {
         var backupFile = tempDir.resolve("workdir").resolve("backups").resolve("backup.zip");