fix

model/gmodel/fs_product_model3d_logic.go

@@ -142,3 +142,13 @@ func (d *FsProductModel3dModel) GetAllByProductIdTag(ctx context.Context, produc
 	err = db.Find(&resp).Error
 	return resp, err
 }
+func (d *FsProductModel3dModel) FindOneByProductIdSizeIdTag(ctx context.Context, productId, sizeId, tag int64, fields ...string) (resp *FsProductModel3d, err error) {
+	db := d.db.WithContext(ctx).Model(&FsProductModel3d{}).
+		Where("`product_id` = ? and `size_id` = ?  and `tag` = ? and `status` = ?", productId, sizeId, tag, 1).
+		Order("sort DESC")
+	if len(fields) != 0 {
+		db = db.Select(fields[0])
+	}
+	err = db.Take(&resp).Error
+	return resp, err
+}