diff --git a/CAPI/API/include/API.h b/CAPI/API/include/API.h
index c4525db..0babf9b 100644
--- a/CAPI/API/include/API.h
+++ b/CAPI/API/include/API.h
@@ -27,11 +27,11 @@ class ILogic
 
 public:
     // 获取服务器发来的消息
-    virtual std::vector<std::shared_ptr<THUAI6::Butcher>> GetButchers() const = 0;
-    virtual std::vector<std::shared_ptr<THUAI6::Human>> GetHumans() const = 0;
-    virtual std::vector<std::shared_ptr<THUAI6::Prop>> GetProps() const = 0;
-    virtual std::shared_ptr<THUAI6::Human> HumanGetSelfInfo() const = 0;
-    virtual std::shared_ptr<THUAI6::Butcher> ButcherGetSelfInfo() const = 0;
+    virtual std::vector<std::shared_ptr<const THUAI6::Butcher>> GetButchers() const = 0;
+    virtual std::vector<std::shared_ptr<const THUAI6::Human>> GetHumans() const = 0;
+    virtual std::vector<std::shared_ptr<const THUAI6::Prop>> GetProps() const = 0;
+    virtual std::shared_ptr<const THUAI6::Human> HumanGetSelfInfo() const = 0;
+    virtual std::shared_ptr<const THUAI6::Butcher> ButcherGetSelfInfo() const = 0;
 
     virtual std::vector<std::vector<THUAI6::PlaceType>> GetFullMap() const = 0;
 
diff --git a/CAPI/API/include/logic.h b/CAPI/API/include/logic.h
index 818a9f5..101247d 100644
--- a/CAPI/API/include/logic.h
+++ b/CAPI/API/include/logic.h
@@ -82,11 +82,11 @@ private:
 
     // 获取服务器发来的消息
 
-    std::vector<std::shared_ptr<THUAI6::Butcher>> GetButchers() const override;
-    std::vector<std::shared_ptr<THUAI6::Human>> GetHumans() const override;
-    std::vector<std::shared_ptr<THUAI6::Prop>> GetProps() const override;
-    std::shared_ptr<THUAI6::Human> HumanGetSelfInfo() const override;
-    std::shared_ptr<THUAI6::Butcher> ButcherGetSelfInfo() const override;
+    std::vector<std::shared_ptr<const THUAI6::Butcher>> GetButchers() const override;
+    std::vector<std::shared_ptr<const THUAI6::Human>> GetHumans() const override;
+    std::vector<std::shared_ptr<const THUAI6::Prop>> GetProps() const override;
+    std::shared_ptr<const THUAI6::Human> HumanGetSelfInfo() const override;
+    std::shared_ptr<const THUAI6::Butcher> ButcherGetSelfInfo() const override;
 
     std::vector<std::vector<THUAI6::PlaceType>> GetFullMap() const override;
 
diff --git a/CAPI/API/src/API.cpp b/CAPI/API/src/API.cpp
index 233ba0b..952cb16 100644
--- a/CAPI/API/src/API.cpp
+++ b/CAPI/API/src/API.cpp
@@ -10,3 +10,8 @@ void ButcherAPI::Play(IAI& ai)
 {
     ai.play(*this);
 }
+
+std::vector<std::shared_ptr<const THUAI6::Butcher>> HumanAPI::GetButcher() const
+{
+    return logic.GetButchers();
+}