优化，减少可能到来的1.2.4的工作量

1.增加翻译
2.为darkmode添加过度动画
3.修改package.json

src/js/pages/UserInfo/index.js

@@ -75,7 +75,7 @@ class UserInfo extends Component {
             });
             this.toggleEdit(false);
         } else {
-            this.props.showMessage('Failed to set remark name.');
+            this.props.showMessage('设置备注失败');
         }
     }
 
@@ -221,7 +221,7 @@ class UserInfo extends Component {
                                 autoFocus={true}
                                 defaultValue={RemarkName}
                                 onKeyPress={e => this.handleEnter(e)}
-                                placeholder="Type the remark name"
+                                placeholder="设置备注"
                                 ref="input"
                                 type="text" />
                         )