fix bug of hyper-parameter broken when have not succeeded trial (#1460)

* Update filter description and fix typo

* fix comments

* change node to result

* Add SupportTrainingService.md (#1401)

* fix nnictl schema

* Eject from react-scripts-ts-antd and bump webui dependencies version (#1412)

* Eject from react-scripts-ts-antd

* test whether it can pass CI without ugilfy

* temporarily disable uglify

* Try to fix security alert (#1429)

* fix bug of hyper-parameter broken when have not succeeded trial

* update

* update

src/webui/src/components/trial-detail/Para.tsx

@@ -237,7 +237,8 @@ class Para extends React.Component<ParaProps, ParaState> {
                             show: true
                         },
                         axisLabel: {
-                            formatter: function (value: string) {
+                            formatter: function (value?: string) {
+                                if (value !== undefined) {
                                     const length = value.length;
                                     if (length > 16) {
                                         const temp = value.split('');
@@ -248,6 +249,9 @@ class Para extends React.Component<ParaProps, ParaState> {
                                     } else {
                                         return value;
                                     }
+                                } else {
+                                    return null;
+                                }
                             }
                         },
                     }