移动端签名组件重构

one_stop_public/Signature/mobileSign.less

@@ -16,6 +16,8 @@
   img{
     max-width: 85%;
     max-height: 300px;
+    border: 1px solid #f2f2f2;
+    margin-top: 10px;
   }
   .reSign{
   }