diff --git a/include/aise/codegen.hpp b/include/aise/codegen.hpp
index 7068645..f921098 100644
--- a/include/aise/codegen.hpp
+++ b/include/aise/codegen.hpp
@@ -28,13 +28,13 @@ public:
 
     // 查询追溯关系
     std::vector<TraceLink> getTraceLinks(const std::string& req_id) const;
-
-private:
-    std::vector<TraceLink> trace_index_;
-
     // 模拟 AST 构建与代码生成
     std::string generateCppSkeleton(const RequirementItem& req);
     std::string generateJavaSkeleton(const RequirementItem& req);
+private:
+    std::vector<TraceLink> trace_index_;
+
+
 };
 
 } // namespace aise