diff --git a/src/models/file.ts b/src/models/file.ts
index 2871455..d918cb8 100644
--- a/src/models/file.ts
+++ b/src/models/file.ts
@@ -33,4 +33,7 @@ FileSchema.plugin(AutoIncrementID, {
 	field: 'data_id'
 });
 
+FileSchema.index({ task_id: 1, boss_app_id: 1 });
+FileSchema.index({ task_id: 1, boss_app_id: 1, name: 1 });
+
 export const File = mongoose.model<IFile, FileModel>('File', FileSchema);
diff --git a/src/models/task.ts b/src/models/task.ts
index ac06bf8..7417b0b 100644
--- a/src/models/task.ts
+++ b/src/models/task.ts
@@ -20,4 +20,6 @@ const TaskSchema = new mongoose.Schema<ITask, TaskModel, ITaskMethods>({
 	updated: BigInt
 }, { id: false });
 
+TaskSchema.index({ boss_app_id: 1, id: 1 });
+
 export const Task = mongoose.model<ITask, TaskModel>('Task', TaskSchema);