diff --git a/config/MSystem.cmake b/config/MSystem.cmake
index 72379e8..5f0233d 100644
--- a/config/MSystem.cmake
+++ b/config/MSystem.cmake
@@ -22,14 +22,14 @@ endif()
 
 elseif (WIN32)
     # 先调用 ver 命令
-    execute_process(COMMAND ver
+    execute_process(COMMAND cmd /c ver
                     OUTPUT_VARIABLE VER_OUTPUT
                     OUTPUT_STRIP_TRAILING_WHITESPACE)
-    if(VER_OUTPUT MATCHES "XP" OR VER_OUTPUT STREQUAL "")
-        message(STATUS "maybe Windows XP platform.")
+    if(VER_OUTPUT MATCHES "XP")
+        message(STATUS "Windows XP platform.")
         set(SYSTEM_ARCH "x86")
     else()
-        execute_process(COMMAND wmic os get osarchitecture
+        execute_process(COMMAND cmd /c wmic os get osarchitecture
                         OUTPUT_VARIABLE WMIC_OUTPUT
                         OUTPUT_STRIP_TRAILING_WHITESPACE)
         if(WMIC_OUTPUT MATCHES "64")