fix: 预警分类传参

src/service/metric_config.go

@@ -84,7 +84,7 @@ func (m *MetricConfigSvc) List(req request.ListMetricConfig) (resp response.Unit
 		session.Where("class_id = ?", req.ClassId)
 	}
 	if req.MetricName != "" {
-		session.Where("class_name LIKE ?", "%"+req.MetricName+"%")
+		session.Where("metric_name LIKE ?", "%"+req.MetricName+"%")
 	}
 	if req.IsEnabled != 0 {
 		session.Where("is_enabled = ?", req.IsEnabled)