diff --git a/src/Ray.Core/Core/Grains/ObserverGrain.cs b/src/Ray.Core/Core/Grains/ObserverGrain.cs
index 369b4b1..ae65b40 100644
--- a/src/Ray.Core/Core/Grains/ObserverGrain.cs
+++ b/src/Ray.Core/Core/Grains/ObserverGrain.cs
@@ -56,10 +56,11 @@ public ObserverGrain()
                 });
             }
             var sortList = new List<SwitchMethodEmit>();
-            foreach (var item in switchMethods.Where(m => m.CaseType.BaseType == typeof(object)))
+            //foreach (var item in switchMethods.Where(m => m.CaseType.BaseType == typeof(object)))
+            foreach (var item in switchMethods.Where(m => m.CaseType.BaseType is object))
             {
                 sortList.Add(item);
-                GetInheritor(item, switchMethods, sortList);
+                // GetInheritor(item, switchMethods, sortList);
             }
             sortList.Reverse();
             foreach (var item in switchMethods)
diff --git a/src/Ray.Core/Snapshot/SnapshotHandler.cs b/src/Ray.Core/Snapshot/SnapshotHandler.cs
index fb2d97f..dfdf03b 100644
--- a/src/Ray.Core/Snapshot/SnapshotHandler.cs
+++ b/src/Ray.Core/Snapshot/SnapshotHandler.cs
@@ -45,10 +45,11 @@ public SnapshotHandler()
                 });
             }
             var sortList = new List<SwitchMethodEmit>();
-            foreach (var item in switchMethods.Where(m => m.CaseType.BaseType == typeof(object)))
+            //foreach (var item in switchMethods.Where(m => m.CaseType.BaseType == typeof(object)))
+            foreach (var item in switchMethods.Where(m => m.CaseType.BaseType is object))
             {
                 sortList.Add(item);
-                GetInheritor(item, switchMethods, sortList);
+                // GetInheritor(item, switchMethods, sortList);
             }
             sortList.Reverse();
             foreach (var item in switchMethods)