diff --git a/Tnb.BasicData/ProcessManageService.cs b/Tnb.BasicData/ProcessManageService.cs
index 13ce564a..5ffc8b97 100644
--- a/Tnb.BasicData/ProcessManageService.cs
+++ b/Tnb.BasicData/ProcessManageService.cs
@@ -59,7 +59,7 @@ namespace Tnb.BasicData
             if (list?.Count > 0)
             {
                 var routeGroups = list.GroupBy(g => g.RouteType);
-                var dic1 = routeGroups.ToDictionary(x => $"{x.Key}", x => Tuple.Create(new RouteLineTreeOutput
+                var dic1 = routeGroups.ToDictionary(x => x.Key, x => Tuple.Create(new RouteLineTreeOutput
                 {
                     id = SnowflakeIdHelper.NextId(),
                     RouteType = x.Key,