diff --git a/server/gameserver/lispenv.cc b/server/gameserver/lispenv.cc
index 4161324b..88e925a8 100644
--- a/server/gameserver/lispenv.cc
+++ b/server/gameserver/lispenv.cc
@@ -52,7 +52,14 @@ public:
     void Transform(std::shared_ptr<a8::lisp::Value> node)
     {
         if (node->IsType(a8::lisp::ValueType::kSymbol)) {
-            auto && symbol = std::any_cast<a8::lisp::Symbol>(node->value);
+            auto&& symbol = std::any_cast<a8::lisp::Symbol>(node->value);
+            int idx = mt::SkillNumber::GetAttrIdxByName(symbol.name);
+            if (idx < 0) {
+                abort();
+            }
+            auto func_call_exprs = std::make_shared<a8::lisp::List::element_type>();
+            node->Assign(func_call_exprs);
+
         } else if (node->IsType(a8::lisp::ValueType::kList)) {
             auto list = std::any_cast<a8::lisp::List>(node->value);
             for (auto child_node : *list) {
diff --git a/server/gameserver/mt/SkillNumber.h b/server/gameserver/mt/SkillNumber.h
index d86ccb6e..5f9532e2 100644
--- a/server/gameserver/mt/SkillNumber.h
+++ b/server/gameserver/mt/SkillNumber.h
@@ -43,7 +43,7 @@ namespace mt
         void Init1();
 
         float GetAttrByIdx(int idx);
-        int GetAttrIdxByName(const std::string& name);
+        static int GetAttrIdxByName(const std::string& name);
 
     };