diff --git a/assets/core/common/timer/TimerManager.ts b/assets/core/common/timer/TimerManager.ts
index 4d2194f..85e0e3a 100644
--- a/assets/core/common/timer/TimerManager.ts
+++ b/assets/core/common/timer/TimerManager.ts
@@ -161,7 +161,7 @@ export class TimerManager extends Component {
             let interval = Math.floor((this.getTime() - (this.times[key].startTime || this.getTime())) / 1000);
             let data = this.times[key];
             data.object[data.field] = data.object[data.field] - interval;
-            if (data.object[data.field] < 0) {
+            if (data.object[data.field] <= 0) {
                 data.object[data.field] = 0;
                 this.onTimerComplete(data);
             }