diff --git a/code/rest/matter_controller.go b/code/rest/matter_controller.go
index cbfa263..fb20df4 100644
--- a/code/rest/matter_controller.go
+++ b/code/rest/matter_controller.go
@@ -285,7 +285,7 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 	return this.Success(matter)
 }
 
-//soft delete. todo: 删除了文件，但是父目录没有删的情形没处理。
+//soft delete.
 func (this *MatterController) SoftDelete(writer http.ResponseWriter, request *http.Request) *result.WebResult {
 
 	uuid := request.FormValue("uuid")
@@ -311,9 +311,11 @@ func (this *MatterController) SoftDeleteBatch(writer http.ResponseWriter, reques
 	if uuids == "" {
 		panic(result.BadRequest("uuids cannot be null"))
 	}
+	user := this.checkUser(request)
 
 	uuidArray := strings.Split(uuids, ",")
 
+	matters := make([]*Matter, 0)
 	for _, uuid := range uuidArray {
 
 		matter := this.matterDao.FindByUuid(uuid)
@@ -323,13 +325,15 @@ func (this *MatterController) SoftDeleteBatch(writer http.ResponseWriter, reques
 			continue
 		}
 
-		user := this.checkUser(request)
 		if matter.UserUuid != user.Uuid {
 			panic(result.UNAUTHORIZED)
 		}
 
-		this.matterService.AtomicSoftDelete(request, matter, user)
+		matters = append(matters, matter)
+	}
 
+	for _, matter := range matters {
+		this.matterService.AtomicSoftDelete(request, matter, user)
 	}
 
 	return this.Success("OK")
@@ -414,7 +418,8 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 	}
 
 	uuidArray := strings.Split(uuids, ",")
-
+	user := this.checkUser(request)
+	matters := make([]*Matter, 0)
 	for _, uuid := range uuidArray {
 
 		matter := this.matterDao.FindByUuid(uuid)
@@ -424,13 +429,15 @@ func (this *MatterController) DeleteBatch(writer http.ResponseWriter, request *h
 			continue
 		}
 
-		user := this.checkUser(request)
 		if matter.UserUuid != user.Uuid {
 			panic(result.UNAUTHORIZED)
 		}
 
-		this.matterService.AtomicDelete(request, matter, user)
+	}
 
+	for _, matter := range matters {
+
+		this.matterService.AtomicDelete(request, matter, user)
 	}
 
 	return this.Success("OK")
diff --git a/code/rest/matter_dao.go b/code/rest/matter_dao.go
index 8ea7351..dbb19d0 100644
--- a/code/rest/matter_dao.go
+++ b/code/rest/matter_dao.go
@@ -450,59 +450,22 @@ func (this *MatterDao) Delete(matter *Matter) {
 	}
 }
 
-//soft delete a file
+//soft delete a file or dir
 func (this *MatterDao) SoftDelete(matter *Matter) {
 
-	// recursive if dir
-	if matter.Dir {
-		matters := this.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
+	//soft delete from db.
+	db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": true, "delete_time": time.Now()})
+	this.PanicError(db.Error)
 
-		for _, f := range matters {
-			this.SoftDelete(f)
-		}
-
-		//soft delete from db.
-		db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": true, "delete_time": time.Now()})
-		this.PanicError(db.Error)
-
-	} else {
-
-		//soft delete from db.
-		db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": true, "delete_time": time.Now()})
-		this.PanicError(db.Error)
-
-		//no need to delete its image cache.
-
-		//delete all the share.
-		this.bridgeDao.DeleteByMatterUuid(matter.Uuid)
-
-		//no need to delete from disk.
-
-	}
 }
 
 //recovery a file
 func (this *MatterDao) Recovery(matter *Matter) {
 
-	// recursive if dir
-	if matter.Dir {
-		matters := this.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
+	//recovery from db.
+	db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": false, "delete_time": time.Now()})
+	this.PanicError(db.Error)
 
-		for _, f := range matters {
-			this.Recovery(f)
-		}
-
-		//recovery from db.
-		db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": false, "delete_time": time.Now()})
-		this.PanicError(db.Error)
-
-	} else {
-
-		//recovery from db.
-		db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Update(map[string]interface{}{"deleted": false, "delete_time": time.Now()})
-		this.PanicError(db.Error)
-
-	}
 }
 
 func (this *MatterDao) DeleteByUserUuid(userUuid string) {