diff --git a/v2convert.py b/v2convert.py
index 5267a16..178aef9 100755
--- a/v2convert.py
+++ b/v2convert.py
@@ -156,7 +156,7 @@
             try:
                 if isinstance(exc, cx_Oracle.DatabaseError):
                     error, = exc.args
-                    msg = error.message.decode(SYSENCODING)
+                    msg = error.message.decode("utf-8")
                 else:
                     msg = "{0}".format(exc)
                 print u"执行sql 失败, {0}".format(msg)