diff --git a/Editor/Meta/GenericMethod.cs b/Editor/Meta/GenericMethod.cs
index 113bce9..cdbcfdc 100644
--- a/Editor/Meta/GenericMethod.cs
+++ b/Editor/Meta/GenericMethod.cs
@@ -69,7 +69,7 @@ namespace HybridCLR.Editor.Meta
             typeDef = decalringType.ResolveTypeDef();
             if (typeDef == null)
             {
-                throw new Exception($"{decalringType}");
+                return null;
             }
             GenericInstSig gis = decalringType.TryGetGenericInstSig();
             if (gis != null)