sign style fix 6

resources/views/wap/signV3.blade.php

@@ -159,6 +159,7 @@
 
         .book_box img {
             max-height: 140px;
+            min-height: 100px;
             width: 100px;
             box-shadow: 0 0 0.16rem rgba(0, 0, 0, 0.1);
             border-radius: 2px;