diff --git a/routers/repo/ai_model_manage.go b/routers/repo/ai_model_manage.go
index b66b50d37..2221a2d4c 100644
--- a/routers/repo/ai_model_manage.go
+++ b/routers/repo/ai_model_manage.go
@@ -451,9 +451,11 @@ func DeleteModelFile(ctx *context.Context) {
 		if model.ModelType == MODEL_LOCAL_TYPE {
 			if model.Type == models.TypeCloudBrainOne {
 				bucketName := setting.Attachment.Minio.Bucket
-				log.Info("bucket=" + bucketName + " path=" + model.Path[len(bucketName)+1:] + fileName)
+				objectName := model.Path[len(bucketName)+1:] + fileName
+				log.Info("delete bucket=" + bucketName + " path=" + objectName)
 				if strings.HasPrefix(model.Path, bucketName+"/"+Model_prefix) {
-					err := storage.Attachments.DeleteDir(model.Path[len(bucketName)+1:] + fileName)
+					totalSize := storage.MinioGetFilesSize(bucketName, []string{objectName})
+					err := storage.Attachments.DeleteDir(objectName)
 					if err != nil {
 						log.Info("Failed to delete model. id=" + id)
 						re := map[string]string{
@@ -463,13 +465,17 @@ func DeleteModelFile(ctx *context.Context) {
 						ctx.JSON(200, re)
 						return
 					} else {
-						UpdateModelSize(id)
+						log.Info("delete minio file size is:" + fmt.Sprint(totalSize))
+						models.ModifyModelSize(id, model.Size-totalSize)
 					}
 				}
 			} else if model.Type == models.TypeCloudBrainTwo {
-				log.Info("bucket=" + setting.Bucket + " path=" + model.Path[len(setting.Bucket)+1:] + fileName)
-				if strings.HasPrefix(model.Path, setting.Bucket+"/"+Model_prefix) {
-					err := storage.ObsRemoveObject(setting.Bucket, model.Path[len(setting.Bucket)+1:]+fileName)
+				bucketName := setting.Bucket
+				objectName := model.Path[len(setting.Bucket)+1:] + fileName
+				log.Info("delete bucket=" + setting.Bucket + " path=" + objectName)
+				if strings.HasPrefix(model.Path, bucketName+"/"+Model_prefix) {
+					totalSize := storage.ObsGetFilesSize(bucketName, []string{objectName})
+					err := storage.ObsRemoveObject(bucketName, objectName)
 					if err != nil {
 						log.Info("Failed to delete model. id=" + id)
 						re := map[string]string{
@@ -479,7 +485,8 @@ func DeleteModelFile(ctx *context.Context) {
 						ctx.JSON(200, re)
 						return
 					} else {
-						UpdateModelSize(id)
+						log.Info("delete obs file size is:" + fmt.Sprint(totalSize))
+						models.ModifyModelSize(id, model.Size-totalSize)
 					}
 				}
 			}