diff --git a/bsp/simulator/rtconfig.py b/bsp/simulator/rtconfig.py
index 2b18c2140a578edb42ff6b1567b4ab91168c2a6d..cecca10facbd1919f712c7cbe2781b8283ca0925 100755
--- a/bsp/simulator/rtconfig.py
+++ b/bsp/simulator/rtconfig.py
@@ -27,19 +27,22 @@ elif  CROSS_TOOL == 'msvc':
     CPU       = 'win32'
     PLATFORM  = 'cl'
     EXEC_PATH = ''
-    vc_version = ''
-    vc_versions = SCons.Tool.MSCommon.vc.get_installed_vcs()
-    if not vc_versions:
-        print("No vc version!")
-        exit(1)
-    else:
-        vc_version = vc_versions[0]
-    EXEC_PATH = SCons.Tool.MSCommon.vc.find_vc_pdir(vc_version)
-    if not EXEC_PATH:
-        print('Installed VC %s failure!' % vc_version)
-        exit(1)
-    else:
-        print('Successfully installed VC %s, path:%s' % (vc_version, EXEC_PATH))
+    try:
+        vc_version = ''
+        vc_versions = SCons.Tool.MSCommon.vc.get_installed_vcs()
+        if not vc_versions:
+            print("No vc version!")
+            exit()
+        else:
+            vc_version = vc_versions[0]
+        EXEC_PATH = SCons.Tool.MSCommon.vc.find_vc_pdir(vc_version)
+        if not EXEC_PATH:
+            print('Installed VC %s failure!' % vc_version)
+            exit()
+        else:
+            print('Successfully installed VC %s, path:%s' % (vc_version, EXEC_PATH))
+    except:
+        pass
 
 else:
     print("Simulator does not support this CROSS TOOL!")