diff --git a/src/controller/IDatasetChartStrategy.hpp b/src/controller/IDatasetChartStrategy.hpp
index 115d791..29c1452 100644
--- a/src/controller/IDatasetChartStrategy.hpp
+++ b/src/controller/IDatasetChartStrategy.hpp
@@ -15,6 +15,15 @@ struct IDatasetChartStrategy {
 
 class ChartStrategyRegistry {
 public:
+    ChartStrategyRegistry() = default;
+    // 禁拷贝（含 unique_ptr，本就不可拷贝；显式 delete 让意图清晰）。
+    // 保留移动：map 移动只搬节点，find() 返回的裸指针指向的策略对象地址不变、仍有效；
+    // 且测试 makeInversionRegistry() 按值返回需要移动。
+    ChartStrategyRegistry(const ChartStrategyRegistry&) = delete;
+    ChartStrategyRegistry& operator=(const ChartStrategyRegistry&) = delete;
+    ChartStrategyRegistry(ChartStrategyRegistry&&) = default;
+    ChartStrategyRegistry& operator=(ChartStrategyRegistry&&) = default;
+
     void add(std::unique_ptr<IDatasetChartStrategy> s) {
         const std::string code = s->ddCode();
         map_[code] = std::move(s);