登录报错导致页面崩溃的问题修复

src/components/common/login/login.jsx

@@ -71,7 +71,7 @@ class LoginComponent extends React.Component {
                         return r.data.data;
                     }else {
                         this.setState({
-                            notice: r.err || r.data.msg,
+                            notice: r.err+'' || r.data.msg+'',
                         });
                         throw (r.err || r.data.msg);
                     }
@@ -98,7 +98,7 @@ class LoginComponent extends React.Component {
                 }).catch(ex => {
                     console.error('登录失败', ex);
                     this.setState({
-                        notice: (ex || ex.message ) || '登录失败',
+                        notice: (ex.message+'' || ex+'') || '登录失败',
                         fetching: false
                     });
                 });