diff --git a/Assets/Scripts/Power/Task/TruckMessages.cs b/Assets/Scripts/Power/Task/TruckMessages.cs
index 99433b2..6ae687b 100644
--- a/Assets/Scripts/Power/Task/TruckMessages.cs
+++ b/Assets/Scripts/Power/Task/TruckMessages.cs
@@ -119,6 +119,10 @@ public class TruckMessages : MonoBehaviour
                 GetComponent<AgentController>().pathFindEnable = false;
             else
             {
+                if (GetComponent<WaterSupplier>().waterLineInfos.Contains(data.waterLineID)) 
+                {
+                    GetComponent<WaterSupplier>().waterLineInfos.Remove(data.waterLineID);
+                }
                 if (GetComponent<WaterSupplier>().waterLineInfos.Count <= 0)
                     GetComponent<AgentController>().pathFindEnable = true;
             }