diff --git a/XNCore/XNDDSInterface.h b/XNCore/XNDDSInterface.h
index 21ba78c..4db4a7a 100644
--- a/XNCore/XNDDSInterface.h
+++ b/XNCore/XNDDSInterface.h
@@ -204,7 +204,7 @@ protected:
 	std::unordered_map<std::string, std::function<void(XNByteArray)>> setByteArrayFunction;
 	std::mutex mutex;
 	uint8_t header[5]{}; // 固定大小的头部
-	size_t headerSize = 0;
+	size_t headerSize = 5;
 };
 
 #define MAP_DATA_FUNC(NAME)                                                                        \