完善错误提示,正确显示oracle提示错误信息
diff --git a/dbengine.py b/dbengine.py
index 0ec5c3d..239956b 100644
--- a/dbengine.py
+++ b/dbengine.py
@@ -37,7 +37,7 @@
             return True
         except Exception, e:
             # print u"执行数据失败"
-            print str(e)
+            print str(e).decode("utf-8")
             return False
 
     def query(self, sql):