diff --git a/schema.gql b/schema.gql
index bbc975f7..48183f8b 100644
--- a/schema.gql
+++ b/schema.gql
@@ -14,6 +14,7 @@ type BatchDeleteModel {
   ok: Float
   n: Float
   deletedCount: Float
+  ids: [ID!]!
 }
 
 type BatchUpdateModel {
diff --git a/src/database/models/batch-delete.model.ts b/src/database/models/batch-delete.model.ts
index d1ac8863..34afe825 100644
--- a/src/database/models/batch-delete.model.ts
+++ b/src/database/models/batch-delete.model.ts
@@ -1,4 +1,4 @@
-import { Field, ObjectType } from 'type-graphql'
+import { Field, ObjectType, ID } from 'type-graphql'
 
 @ObjectType()
 export class BatchDeleteModel {
@@ -10,4 +10,8 @@ export class BatchDeleteModel {
 
   @Field({ nullable: true })
   public readonly deletedCount?: number
+
+  // FIXME: ids 不是可选参数
+  @Field(() => ID)
+  public readonly ids?: string[]
 }
diff --git a/src/open-sources/open-sources.service.ts b/src/open-sources/open-sources.service.ts
index 426d5af0..f0016d58 100644
--- a/src/open-sources/open-sources.service.ts
+++ b/src/open-sources/open-sources.service.ts
@@ -38,8 +38,13 @@ export class OpenSourcesService {
   }
 
   public async batchDelete(ids: string[]): Promise<BatchDeleteModel> {
-    return this.openSourceModel.deleteMany({
+    const res = await this.openSourceModel.deleteMany({
       _id: { $in: ids },
     })
+
+    return {
+      ...res,
+      ids,
+    }
   }
 }