修改口令按钮

@@ -118,6 +118,7 @@
                 display: inline-block;
                 display: inline-block;
                 position: relative;
                 position: relative;
                 top: 8px;
                 top: 8px;
+                z-index: 5;
             }
             }
 
 
             .code-tip {
             .code-tip {