fix up

ai_anti_malware/sandbox.cpp

@@ -185,6 +185,12 @@ Sandbox::~Sandbox() {
     }
     m_wfpEngines.clear();
 
+    // 清理文件句柄资源
+    for (auto& pair : m_fileHandles) {
+        delete pair.second;
+    }
+    m_fileHandles.clear();
+
     // 1. 先清理高层资源
     m_crossSectionExecution.clear();
     envStrings.clear();