diff --git a/util/RTCContext.h b/util/RTCContext.h
index fde974e..735d1e2 100644
--- a/util/RTCContext.h
+++ b/util/RTCContext.h
@@ -1,3 +1,5 @@
+// RTCContext.h
+#pragma once
 
 #include "IMRTCEngine.hpp"
 #include "MRTCEngineDefine.hpp"
@@ -17,6 +19,13 @@
 #include <boost/python/def.hpp>
 #include <numpy/ndarrayobject.h>
 #include <numpy/arrayobject.h>
+
+
+// 必须声明外部变量（关键！）
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+
+extern void* PyArray_API;
+
 namespace fs = std::filesystem;
 #define ENV_PRODUCT
 //#define SEND_MODE