Check link type

edit-mode/function/function.js

@@ -717,9 +717,11 @@ function updateLinksLag(data) {
                 let predecessor = data.data.find(item => item.id == link.source);
                 if (predecessor) {
                     let lag = gantt.calculateDuration(new Date(predecessor.end_date), new Date(task.start_date));
+                    if (link.type == "0") {
                         link.lag = lag;
                     }
                 }
+            }
         });
     });
 }