fix css

@@ -242,6 +242,8 @@ const local = {
 
             loginService.sendPasswordBySMS(area, mobile).then((result) => {
                 return res.json(result);
+            }).then(() => {
+                req.session.captcha = 'yoho9646';
             }).catch(next);
         },
         auth: (req, res, next) => {

@@ -139,6 +139,9 @@ Captcha.prototype = {
         }).then(function(result) {
             if (result.code === 200) {
                 return $.Deferred().resolve().promise(); // eslint-disable-line
+            } else if (result.code === 403) {
+                self.refresh();
+                return $.Deferred().reject().promise(); //eslint-disable-line
             } else {
                 self.showTip(result.message);
                 return $.Deferred().reject().promise(); //eslint-disable-line

@@ -32,7 +32,7 @@
     li {
         float: left;
         background-size: 240px 240px;
-        background: #575757 no-repeat;
+        background: white no-repeat;
         width: 60px !important;
         height: 60px !important;
         border: 1px #e0e0e0 solid;