3 files changed, 34 insertions, 1 deletions
diff --git a/Runtime/Lua/LuaBind/LuaBindRef.cpp b/Runtime/Lua/LuaBind/LuaBindRef.cpp
index d0f2766..313824e 100644
--- a/Runtime/Lua/LuaBind/LuaBindRef.cpp
+++ b/Runtime/Lua/LuaBind/LuaBindRef.cpp
@@ -3,6 +3,12 @@
 
 namespace LuaBind
 {
+    UniversalRef::UniversalRef(RefMode mode)
+        : mRefID(LUA_NOREF)
+        , mMode(mode)
+        , mOwner(NULL) // 延后设置
+    {
+    }
 
 	UniversalRef::UniversalRef(LuaBind::VM* vm, RefMode mode)
 		: mRefID(LUA_NOREF)
@@ -43,7 +49,11 @@ namespace LuaBind
 
     void UniversalRef::SetRef(LuaBind::State& state, int idx)
     {
-        assert(state.GetVM() == mOwner);
+        //assert(state.GetVM() == mOwner);
+        // 延后设置vm
+        if (mOwner == NULL) {
+            mOwner = state.GetVM();
+        }
 
         VM* vm = mOwner;
         if (!vm) return;
@@ -83,11 +93,21 @@ namespace LuaBind
 		return true;
 	}
 
+    StrongRef::StrongRef()
+        : UniversalRef(STRONG_REF)
+    {
+    }
+
 	StrongRef::StrongRef(LuaBind::VM* vm)
 		: UniversalRef(vm, STRONG_REF)
 	{
 	}
 
+    WeakRef::WeakRef()
+        : UniversalRef(WEAK_REF)
+    {
+    }
+
 	WeakRef::WeakRef(LuaBind::VM* vm)
 		: UniversalRef(vm, WEAK_REF)
 	{
diff --git a/Runtime/Lua/LuaBind/LuaBindRef.h b/Runtime/Lua/LuaBind/LuaBindRef.h
index 793559e..a19e5bf 100644
--- a/Runtime/Lua/LuaBind/LuaBindRef.h
+++ b/Runtime/Lua/LuaBind/LuaBindRef.h
@@ -18,6 +18,7 @@ namespace LuaBind
 			WEAK_REF
 		};
 		
+        UniversalRef(RefMode mode = STRONG_REF); // 延后到SetRef设置vm
 		UniversalRef(LuaBind::VM* vm, RefMode mode = STRONG_REF);
 		virtual ~UniversalRef();
 
@@ -46,6 +47,9 @@ namespace LuaBind
 	class StrongRef: public UniversalRef
 	{
 	public:
+        // 延后到SetRef设置vm
+        StrongRef();
+
 		StrongRef(LuaBind::VM* vm);
 
 	};
@@ -54,6 +58,9 @@ namespace LuaBind
 	class WeakRef : public UniversalRef
 	{
 	public:
+        // 延后到SetRef设置vm
+        WeakRef();
+
 		WeakRef(LuaBind::VM* vm);
 
 	};
diff --git a/Runtime/Lua/LuaBind/LuaBindState.cpp b/Runtime/Lua/LuaBind/LuaBindState.cpp
index 9210768..384cba2 100644
--- a/Runtime/Lua/LuaBind/LuaBindState.cpp
+++ b/Runtime/Lua/LuaBind/LuaBindState.cpp
@@ -602,6 +602,12 @@ namespace LuaBind
                 case '+':
                     if (type == LUA_TNIL) expected = false;
                     break;
+
+                    // nil
+                case '!':
+                    if (type != LUA_TNIL) expected = false;
+                    break;
+
             }
 
             if (!expected) {