diff --git a/app/src/modules/simulation/human/instances/instance/actions/workerInstance.tsx b/app/src/modules/simulation/human/instances/instance/actions/workerInstance.tsx
index 14eadbf..078f203 100644
--- a/app/src/modules/simulation/human/instances/instance/actions/workerInstance.tsx
+++ b/app/src/modules/simulation/human/instances/instance/actions/workerInstance.tsx
@@ -14,7 +14,7 @@ function WorkerInstance({ human }: { human: HumanStatus }) {
     const { navMesh } = useNavMesh();
     const { isPlaying } = usePlayButtonStore();
     const { scene } = useThree();
-    const { assetStore, materialStore, armBotStore, conveyorStore, machineStore, vehicleStore, humanStore, storageUnitStore, productStore } = useSceneContext();
+    const { assetStore, materialStore, armBotStore, conveyorStore, machineStore, vehicleStore, humanStore, storageUnitStore, productStore, humanEventManagerRef } = useSceneContext();
     const { removeMaterial, setEndTime, setIsVisible } = materialStore();
     const { getStorageUnitById } = storageUnitStore();
     const { getArmBotById } = armBotStore();
@@ -129,23 +129,47 @@ function WorkerInstance({ human }: { human: HumanStatus }) {
                         humanStatus(human.modelUuid, 'Started from pickup point, heading to drop point');
                     }
                 } else if (human.currentMaterials.length > 0 && human.currentLoad > 0 && humanAsset?.animationState?.current !== 'pickup') {
-                    setTimeout(()=>{
+                    setTimeout(() => {
                         if (human.currentMaterials[0]?.materialId) {
                             setIsVisible(human.currentMaterials[0]?.materialId, false);
                         }
                         humanStatus(human.modelUuid, 'Started to pickup in pickup point');
                         setCurrentAnimation(human.modelUuid, 'pickup', true, false, false);
-                    },1)
+                    }, 1)
                 }
             } else if (!human.isActive && human.state === 'idle' && human.currentPhase === 'dropping' && human.currentLoad === 0) {
                 if (action.pickUpPoint && action.dropPoint) {
-                    const dropToPickup = computePath(action.dropPoint.position || [0, 0, 0], action.pickUpPoint.position || [0, 0, 0]);
-                    setPath(dropToPickup);
-                    setCurrentPhase(human.modelUuid, 'init');
-                    setHumanState(human.modelUuid, 'running');
-                    setHumanActive(human.modelUuid, true);
-                    setCurrentAnimation(human.modelUuid, 'walking', true, true, true);
-                    humanStatus(human.modelUuid, 'Started from dropping point, heading to pickup point');
+                    // const dropToPickup = computePath(action.dropPoint.position || [0, 0, 0], action.pickUpPoint.position || [0, 0, 0]);
+                    // setPath(dropToPickup);
+                    // setCurrentPhase(human.modelUuid, 'drop-pickup');
+                    // setHumanState(human.modelUuid, 'running');
+                    // setHumanActive(human.modelUuid, true);
+                    // setCurrentAnimation(human.modelUuid, 'walking', true, true, true);
+                    if (humanEventManagerRef.current) {
+                        let state = humanEventManagerRef.current.humanStates.find(h => h.humanId === human.modelUuid);
+                        if (state) {
+                            const existingAction = state.actionQueue.find(a => a.actionUuid === action.actionUuid);
+                            if (existingAction) {
+                                const currentCount = existingAction.count ?? 0;
+                                if (existingAction.actionType === 'worker') {
+                                    if (currentCount < existingAction.maxLoadCount) {
+                                        const dropToPickup = computePath(action.dropPoint.position || [0, 0, 0], action.pickUpPoint.position || [0, 0, 0]);
+                                        setPath(dropToPickup);
+                                        setCurrentPhase(human.modelUuid, 'drop-pickup');
+                                        setHumanState(human.modelUuid, 'running');
+                                        setHumanActive(human.modelUuid, true);
+                                        setCurrentAnimation(human.modelUuid, 'walking', true, true, true);
+                                    } else {
+                                        setCurrentPhase(human.modelUuid, 'picking');
+                                        setHumanState(human.modelUuid, 'idle');
+                                        setHumanActive(human.modelUuid, false);
+                                        setCurrentAnimation(human.modelUuid, 'idle', true, true, true);
+                                        humanStatus(human.modelUuid, 'Started from dropping point, heading to pickup point');
+                                    }
+                                }
+                            }
+                        }
+                    }
                 }
             }
         } else {