修正SQL注入问题

Signed-off-by: zouap <zouap@pcl.ac.cn>

models/ai_model_manage.go

@@ -239,7 +239,7 @@ func QueryModelConvertById(id string) (*AiModelConvert, error) {
 	defer sess.Close()
 	re := new(AiModelConvert)
 	isExist, err := sess.Table(new(AiModelConvert)).ID(id).Get(re)
-	if isExist {
+	if err == nil && isExist {
 		return re, nil
 	}
 	return nil, err
@@ -250,7 +250,7 @@ func QueryModelById(id string) (*AiModelManage, error) {
 	defer sess.Close()
 	re := new(AiModelManage)
 	isExist, err := sess.Table(new(AiModelManage)).ID(id).Get(re)
-	if isExist {
+	if err == nil && isExist {
 		return re, nil
 	}
 	return nil, err