diff --git a/assets/script/game/map/MissionComp.ts b/assets/script/game/map/MissionComp.ts
index 6db07d01..dd632cb3 100644
--- a/assets/script/game/map/MissionComp.ts
+++ b/assets/script/game/map/MissionComp.ts
@@ -432,7 +432,9 @@ export class MissionComp extends CCComp {
         }
 
         // 重置状态机的计时器
-        this.PhaseTime.reset();
+        if (this.PhaseTime) {
+            this.PhaseTime.reset();
+        }
 
         switch (targetPhase) {
             case MissionPhase.PrepareStart:
@@ -704,6 +706,9 @@ export class MissionComp extends CCComp {
      *   - 性能监控基准值
      */
     data_init(){
+        if (!this.PhaseTime) {
+            this.PhaseTime = new Timer(1);
+        }
         smc.mission.play = true;
         smc.mission.pause = false;
         smc.mission.stop_mon_action = false;
@@ -1053,6 +1058,9 @@ export class MissionComp extends CCComp {
 
     /** ECS 组件移除时销毁节点 */
     reset() {
-        this.node.destroy();
+        this.PhaseTime = null as any;
+        if (this.node && this.node.isValid) {
+            this.node.destroy();
+        }
     }
 }