处理验证码图片样式调整

assets/scss/common.scss

@@ -425,7 +425,7 @@ form img.code-img{
   margin: 5px;
   float: left;
   height: 30px;
-  width: 108px;
+  width: 100px;
 }
 
 form a.code-click{
@@ -492,7 +492,7 @@ form a.code-click:hover{
   margin-top: 5px;
   float: left;
   height: 30px;
-  width: 108px;
+  width: 100px;
 }
 .login-form a.code-click{
   float: right;