设计页面增加滚动条

@@ -201,7 +201,8 @@
               'background-repeat': 'initial',
               'background-attachment': 'initial',
               'background-origin': 'initial',
-              'background-clip': 'initial'
+              'background-clip': 'initial',
+              'overflow': 'scroll'
             }"
             @click.self="setOptionsOnClickScreen"
           >