Remove useless asign

6 years ago · b46b79c771
1 changed files with 1 additions and 1 deletions
--- a/components/statistic/Countdown.tsx
+++ b/components/statistic/Countdown.tsx
@ -17,7 +17,7 @@ class Countdown extends React.Component<CountdownProps, {}> {
    format: 'HH:mm:ss',
  };
-  countdownId?: number = undefined;
+  countdownId?: number;
  componentDidMount() {
    this.syncTimer();