diff --git a/core/3d/Bundle3DData.h b/core/3d/Bundle3DData.h
index 828b6d827d..84d8fae316 100644
--- a/core/3d/Bundle3DData.h
+++ b/core/3d/Bundle3DData.h
@@ -194,9 +194,9 @@ public:
     size_t bsize() const { return _buffer.size(); }
 
     /** Resizes the count of indices in the container. */
-    void resize(size_t size) { _buffer.resize(size * _stride); }
+    void resize(size_t size) {_buffer.resize(static_cast<yasio::byte_buffer::size_type>(size * _stride)); }
     /** Resizes the container in bytes. */
-    void bresize(size_t size) { _buffer.resize(size); }
+    void bresize(size_t size) { _buffer.resize(static_cast<yasio::byte_buffer::size_type>(size)); }
 
     /** Returns true if the container is empty. Otherwise, false. */
     bool empty() const { return _buffer.empty(); }
diff --git a/core/base/axstd.h b/core/base/axstd.h
index 4a8cd9ba3e..07822f2d7e 100644
--- a/core/base/axstd.h
+++ b/core/base/axstd.h
@@ -22,7 +22,7 @@ namespace axstd
 {
 using byte_buffer = yasio::byte_buffer;
 using sbyte_buffer = yasio::sbyte_buffer;
-template <typename _Elem, typename _Alloc = yasio::default_buffer_allocator<_Elem>>
+template <typename _Elem, typename _Alloc = yasio::buffer_allocator<_Elem>>
 using pod_vector = yasio::pod_vector<_Elem, _Alloc>;
 
 /* make_unique_for_overwrite since c++20, but not all platformm support */