diff --git a/routers/repo/ai_model_manage.go b/routers/repo/ai_model_manage.go
index 7ef9045f5..a71203b40 100644
--- a/routers/repo/ai_model_manage.go
+++ b/routers/repo/ai_model_manage.go
@@ -447,13 +447,14 @@ func DeleteModelFile(ctx *context.Context) {
 					err := storage.Attachments.DeleteDir(model.Path[len(bucketName)+1:] + fileName)
 					if err != nil {
 						log.Info("Failed to delete model. id=" + id)
-					} else {
 						re := map[string]string{
 							"code": "-1",
 						}
 						re["msg"] = err.Error()
 						ctx.JSON(200, re)
 						return
+					} else {
+						UpdateModelSize(id)
 					}
 				}
 			} else if model.Type == models.TypeCloudBrainTwo {
@@ -462,13 +463,14 @@ func DeleteModelFile(ctx *context.Context) {
 					err := storage.ObsRemoveObject(setting.Bucket, model.Path[len(setting.Bucket)+1:]+fileName)
 					if err != nil {
 						log.Info("Failed to delete model. id=" + id)
-					} else {
 						re := map[string]string{
 							"code": "-1",
 						}
 						re["msg"] = err.Error()
 						ctx.JSON(200, re)
 						return
+					} else {
+						UpdateModelSize(id)
 					}
 				}
 			}