diff --git a/Editor/ABI/TypeCreatorBase.cs b/Editor/ABI/TypeCreatorBase.cs
index 36cfa41..24e081f 100644
--- a/Editor/ABI/TypeCreatorBase.cs
+++ b/Editor/ABI/TypeCreatorBase.cs
@@ -70,7 +70,7 @@ namespace HybridCLR.Editor.ABI
                 case ElementType.Module:
                 case ElementType.Var:
                 case ElementType.MVar:
-                return GetNativeIntTypeInfo();
+                    return GetNativeIntTypeInfo();
                 case ElementType.TypedByRef: return CreateValueType(type);
                 case ElementType.ValueType:
                 {
@@ -105,7 +105,7 @@ namespace HybridCLR.Editor.ABI
 
         private static bool IsNotHFAFastCheck(int typeSize)
         {
-            return typeSize != 8 && typeSize != 12 && typeSize != 16 && typeSize != 24 && typeSize != 32;
+            return typeSize % 4 != 0 || typeSize > 32;
         }
 
         private static bool ComputHFATypeInfo0(TypeSig type, HFATypeInfo typeInfo)
@@ -169,7 +169,7 @@ namespace HybridCLR.Editor.ABI
                 return false;
             }
             bool ok = ComputHFATypeInfo0(type, typeInfo);
-            if (ok && typeInfo.Count >= 2 && typeInfo.Count <= 4)
+            if (ok && typeInfo.Count >= 1 && typeInfo.Count <= 4)
             {
                 int fieldSize = typeInfo.Type.ElementType == ElementType.R4 ? 4 : 8;
                 return typeSize == fieldSize * typeInfo.Count;
@@ -293,6 +293,7 @@ namespace HybridCLR.Editor.ABI
                 bool isFloat = hfaTypeInfo.Type.ElementType == ElementType.R4;
                 switch (hfaTypeInfo.Count)
                 {
+                    case 1: return isFloat ? TypeInfo.s_r4 : TypeInfo.s_r8;
                     case 2: return isFloat ? TypeInfo.s_vf2 : TypeInfo.s_vd2;
                     case 3: return isFloat ? TypeInfo.s_vf3 : TypeInfo.s_vd3;
                     case 4: return isFloat ? TypeInfo.s_vf4 : TypeInfo.s_vd4;
diff --git a/Editor/ABI/TypeCreatorUniversal64.cs b/Editor/ABI/TypeCreatorUniversal64.cs
index c4808ae..ec6fd6b 100644
--- a/Editor/ABI/TypeCreatorUniversal64.cs
+++ b/Editor/ABI/TypeCreatorUniversal64.cs
@@ -10,7 +10,7 @@ namespace HybridCLR.Editor.ABI
     {
         public override bool IsArch32 => false;
 
-        public override bool IsSupportHFA => true;
+        public override bool IsSupportHFA => false;
 
         protected override TypeInfo OptimizeSigType(TypeInfo type, bool returnType)
         {