diff --git a/a8/a8.h b/a8/a8.h
index 94a8448..9e5d599 100644
--- a/a8/a8.h
+++ b/a8/a8.h
@@ -49,4 +49,16 @@ struct Context                                  \
 };                                              \
 return std::make_shared<Context>();}()
 
+#define A8_MAKE_SMART_ANON_STRUCT_SHARED(...) \
+[] ()                                       \
+{                                               \
+struct Context : public std::enable_shared_from_this<Context>    \
+{                                               \
+    __VA_ARGS__;                                \
+    std::function<void()> _destory_cb;                                   \
+    std::weak_ptr<Context> GetWp() { return shared_from_this();};           \
+    ~Context() { if (_destory_cb) { _destory_cb(); };};        \
+};                                              \
+return std::make_shared<Context>();}()
+
 const float A8_PI = 3.1415926f;