diff --git a/backend/app/repo/databse_mysql.go b/backend/app/repo/databse_mysql.go
index b31216cbc..281704953 100644
--- a/backend/app/repo/databse_mysql.go
+++ b/backend/app/repo/databse_mysql.go
@@ -19,6 +19,7 @@ type IMysqlRepo interface {
 	Delete(ctx context.Context, opts ...DBOption) error
 	Update(id uint, vars map[string]interface{}) error
 	UpdateDatabaseInfo(id uint, vars map[string]interface{}) error
+	DeleteAll(ctx context.Context) error
 }
 
 func NewIMysqlRepo() IMysqlRepo {
@@ -65,6 +66,10 @@ func (u *MysqlRepo) Delete(ctx context.Context, opts ...DBOption) error {
 	return getTx(ctx, opts...).Delete(&model.DatabaseMysql{}).Error
 }
 
+func (u *MysqlRepo) DeleteAll(ctx context.Context) error {
+	return getTx(ctx).Where("1 = 1").Delete(&model.DatabaseMysql{}).Error
+}
+
 func (u *MysqlRepo) Update(id uint, vars map[string]interface{}) error {
 	return global.DB.Model(&model.DatabaseMysql{}).Where("id = ?", id).Updates(vars).Error
 }
diff --git a/backend/app/service/app_utils.go b/backend/app/service/app_utils.go
index dd5cca43f..181974030 100644
--- a/backend/app/service/app_utils.go
+++ b/backend/app/service/app_utils.go
@@ -161,7 +161,9 @@ func deleteAppInstall(ctx context.Context, install model.AppInstall, deleteBacku
 	}
 	_ = backupRepo.DeleteRecord(ctx, commonRepo.WithByType("app"), commonRepo.WithByName(install.App.Key), backupRepo.WithByDetailName(install.Name))
 	_ = backupRepo.DeleteRecord(ctx, commonRepo.WithByType(install.App.Key))
-
+	if install.App.Key == constant.AppMysql {
+		_ = mysqlRepo.DeleteAll(ctx)
+	}
 	return nil
 }