diff --git a/libs/xassets/xexpressionentry.cpp b/libs/xassets/xexpressionentry.cpp
new file mode 100644
index 0000000..d8c9af6
--- /dev/null
+++ b/libs/xassets/xexpressionentry.cpp
@@ -0,0 +1,25 @@
+#include "xexpressionentry.h"
+
+XExpressionEntry::XExpressionEntry()
+    : XAsset()
+    , mType(0)
+    , mData()
+{
+    
+}
+
+XExpressionEntry::~XExpressionEntry()
+{
+    
+}
+
+void XExpressionEntry::ParseData(QDataStream *aStream)
+{
+    
+}
+
+void XExpressionEntry::Clear()
+{
+    mType = 0;
+    mData.Clear();
+}