diff --git a/CMakeLists.txt b/CMakeLists.txt
index 046bbd3..363aa33 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,10 +38,12 @@ if (${OS_TYPE} STREQUAL "WINDOWS")
     #需要加该参数，不然VS会报错
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8")
 else()
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Werror -Wall -Wextra")
     set(POCO_LINK_DIR ${CMAKE_SOURCE_DIR}/third_party/lib/linux/poco/)
     if (${OS_TYPE} STREQUAL "APPLE")
         set(POCO_LINK_DIR ${CMAKE_SOURCE_DIR}/third_party/lib/macOS/poco/)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra")
+    else()
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Werror -Wall -Wextra")
     endif()
         set(POCO_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/third_party/include/)
     set(POCO_LIBS PocoNetSSL PocoNet PocoCrypto PocoUtil PocoJSON PocoFoundation PocoXML)
diff --git a/include/request/object_req.h b/include/request/object_req.h
index 69edea8..c3d79b4 100644
--- a/include/request/object_req.h
+++ b/include/request/object_req.h
@@ -176,7 +176,9 @@ class GetObjectByFileReq : public GetObjectReq {
 #endif
 
  private:
+#if defined(_WIN32)
   bool mb_is_widechar_path;
+#endif
   std::string m_local_file_path;
 };