fix: 修复登录必填项问题

xinkeaboard-seller/src/pages/User/Login.js

@@ -143,12 +143,14 @@ export default class LoginPage extends Component {
   //登录操作
   handleSubmits = () => {
     this.props.form.validateFieldsAndScroll(['username', 'password', 'verifyCode'], (err, values) => {
-      if (values.username == undefined || values.username == '') {
-        failTip(`${sldComLanguage('用户名不能为空')}`);
-      } else if (values.password == undefined || values.password == '') {
-        failTip(`${sldComLanguage('密码不能为空')}`);
-      } else if (values.verifyCode == undefined || values.verifyCode == '') {
-        failTip(`${sldComLanguage('验证码不能为空')}`);
+      if (err) {
+        if (values.username == undefined || values.username == '') {
+          failTip(`${sldComLanguage('用户名不能为空')}`);
+        } else if (values.password == undefined || values.password == '') {
+          failTip(`${sldComLanguage('密码不能为空')}`);
+        } else if (values.verifyCode == undefined || values.verifyCode == '') {
+          failTip(`${sldComLanguage('验证码不能为空')}`);
+        }
       } else {
         //用户登录
         values.verifyKey = this.login_captcha;