Update webui document (#443)

* Update webui document

* Fix comments of Chengmin

docs/WebUI.md

@@ -5,16 +5,16 @@
 Click the tab "Overview".
 
 * See the experiment trial profile and search space message.
-* Support to download the experiment message.
+* Support to download the experiment result.
 
 ![](./img/over1.png)
 * See good performance trials.
 
 ![](./img/over2.png)
 
-## View job accuracy
+## View job default metric
 
-Click the tab "Trial Accuracy" to see the point graph of all trials. Hover every point to see its specific accuracy.
+Click the tab "Default Metric" to see the point graph of all trials. Hover to see its specific default metric and search space message.
 
 ![](./img/accuracy.png)
 
@@ -38,11 +38,12 @@ Click the tab "Trial Duration" to see the bar graph.
 Click the tab "Trials Detail" to see the status of the all trials. Specifically:
 
 * Trial detail: trial's id, trial's duration, start time, end time, status, accuracy and search space file.
+* If you run a pai experiment, you can also see the hdfsLogPath.
 
 ![](./img/table_openrow.png)
 
 * Kill: you can kill a job that status is running.
-* Intermediate Result Graph.
 * Support to search for a specific trial.
+* Intermediate Result Graph.
 
 ![](./img/intermediate.png)
\ No newline at end of file

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

@@ -261,7 +261,7 @@ class TableList extends React.Component<TableListProps, TableListState> {
                         ?
                         (
                             <Popconfirm
-                                title="Are you sure to delete this trial?"
+                                title="Are you sure to cancel this trial?"
                                 onConfirm={this.killJob.bind(this, record.key, record.id, record.status)}
                             >
                                 <Button type="primary" className="tableButton">Kill</Button>