diff --git a/CMakeLists.txt b/CMakeLists.txt
index 324b403..43cde37 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,11 @@
 
 # 设置交叉编译器
 #set(CMAKE_CXX_COMPILER /tmp/g++)
+if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
+else()
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+endif()
 
 project(HDSDK LANGUAGES CXX)
 
diff --git a/Protocol/HDSDK.cpp b/Protocol/HDSDK.cpp
index 224fbbb..f703041 100644
--- a/Protocol/HDSDK.cpp
+++ b/Protocol/HDSDK.cpp
@@ -505,7 +505,7 @@ bool HDSDKPrivate::Dispose(int cmd, const std::string &data, const detail::HAny
         NotifySendFile.Bind(fileInfo_.call);
         NotifySendFile.SetUserData(fileInfo_.userData);
 
-        std::string sendData = detail::IconvStr<huint16>(47 + fileInfo_.name.size() + 1);
+        std::string sendData = detail::IconvStr<huint16>(static_cast<huint16>(47 + fileInfo_.name.size() + 1));
         sendData.append(detail::IconvStr<huint16>(detail::kFileStartAsk));
         sendData.append(fileInfo_.md5);
         sendData.append(1, '\0');
diff --git a/SDK/HXml.h b/SDK/HXml.h
index 521be0a..69f7448 100644
--- a/SDK/HXml.h
+++ b/SDK/HXml.h
@@ -259,7 +259,7 @@ public:
     bool get_to(_T &value) const {
         CAT_TRY {
             from_xml(*this, value);
-        } CAT_CATCH (const HXmlException &e) {
+        } CAT_CATCH (const HXmlException &) {
             return false;
         }