diff --git a/assets/Game.fire b/assets/Game.fire
index 081fe47..eb04d90 100644
--- a/assets/Game.fire
+++ b/assets/Game.fire
@@ -162,7 +162,7 @@
       "__type__": "cc.Vec3",
       "x": 0,
       "y": 0,
-      "z": 876.417708629852
+      "z": 539.5338265577053
     },
     "_scale": {
       "__type__": "cc.Vec3",
diff --git a/assets/Scripts/EnemyShip.ts b/assets/Scripts/EnemyShip.ts
index f0b2fdd..909d128 100644
--- a/assets/Scripts/EnemyShip.ts
+++ b/assets/Scripts/EnemyShip.ts
@@ -13,8 +13,7 @@ const {ccclass, property} = cc._decorator;
 @ccclass
 export default class NewClass extends cc.Component {
 
-    duratrion : number = 0.5;
-    moveAmountX : number = 50;
+    duratrion : number = 15;
     moveAmountY : number = 25;
 
     moveEnemy : cc.ActionInterval;
@@ -27,9 +26,8 @@ export default class NewClass extends cc.Component {
     playAnimation : Boolean = true;
 
     setMovements() {
-        var moveLeft = cc.moveBy(this.duratrion, cc.v2(-this.moveAmountX, -this.moveAmountY)).easing(cc.easeCircleActionInOut());
-        var moveRight = cc.moveBy(this.duratrion, cc.v2(this.moveAmountX, -this.moveAmountY)).easing(cc.easeCircleActionInOut());
-        return cc.repeatForever(cc.sequence(moveLeft, moveRight));
+        var moveDown = cc.moveBy(this.duratrion, cc.v2(0, -this.node.parent.getContentSize().height * 0.95));
+        this.node.runAction(cc.repeatForever(moveDown));
     }
 
     shootBullets() {
@@ -41,8 +39,7 @@ export default class NewClass extends cc.Component {
     // LIFE-CYCLE CALLBACKS:
 
     onLoad () {
-        this.moveEnemy = this.setMovements();
-        this.node.runAction(this.moveEnemy);
+        this.scheduleOnce(this.setMovements, 0.1);
         
         this.schedule(this.shootBullets, Math.random() * 1 + 1, cc.macro.REPEAT_FOREVER, 0);
     }
@@ -50,6 +47,7 @@ export default class NewClass extends cc.Component {
         if(otherCollider.name === 'greenbullet<PolygonCollider>') {
             this.enemyLife--;
             if(this.enemyLife <= 0 && this.playAnimation) {
+                this.node.getComponent(cc.Collider).enabled = false;
                 this.node.stopAllActions();
                 this.playAnimation = false;
                 this.node.getComponent(cc.Animation).play();
diff --git a/assets/Scripts/MoveThruster.ts b/assets/Scripts/MoveThruster.ts
index 0f6cd25..a4d49f3 100644
--- a/assets/Scripts/MoveThruster.ts
+++ b/assets/Scripts/MoveThruster.ts
@@ -30,7 +30,7 @@ export default class NewClass extends cc.Component {
     update (dt) {
         this.node.setPosition(
             this.node.parent.getChildByName('player').position.x,
-            this.node.parent.getChildByName('player').position.y - 30
+            this.node.parent.getChildByName('player').position.y - 50
         );
     }
 }