update：按钮更新

src/components/layout-element/interactive/app-preset-button/app-preset-button.less

 .app-preset-button {
     height: 40px;
-    width: 100%;
+    width: auto;
     .ivu-btn {
         width: 100%;
         height: 100%;

src/components/layout-element/login/app-login-button/app-login-button.less

 .app-login-button {
     height: 40px;
-    width: 100%;
+    width: auto;
     .ivu-btn {
         width: 100%;
         height: 100%;