diff --git a/Role/Bullet.cs b/Role/Bullet.cs
index 8402e5e..825e64e 100644
--- a/Role/Bullet.cs
+++ b/Role/Bullet.cs
@@ -85,7 +85,7 @@ public class Bullet : MonoBehaviour
     [Header("子弹动画")] public Animator animator;
     [Header("子弹移动参数")] public bool IsMove=true;
     [Header("子弹碰撞体")] public Collider2D Collider2D;
-    [Header("子弹特效预制体")] public GameObject effectPre;
+    [Header("子弹特效预制体")] public List<GameObject> effectPres=new List<GameObject>();
     private float timer = 0;
     private void Update()
     {
@@ -159,20 +159,23 @@ public class Bullet : MonoBehaviour
 
                 if (bulletAttributes==BulletAttributes.Fire)
                 {
-                    if (effectPre!=null)
-                    {
-                        GameObject go = Instantiate(effectPre, collision.transform);
+                   
+                        if (effectPres.Count==1)
+                        {
+                        GameObject go = Instantiate(effectPres[0], collision.transform);
                         go.transform.position = new Vector2(collision.transform.position.x, collision.transform.position.y + 0.2f);
                         go.GetComponent<Huo>().bullet = this;
-                      
+
                         Debug.Log("创建火焰");
+                        }
+                        
                     }
                 }
                 if (bulletAttributes == BulletAttributes.Water)
                 {
-                    if (effectPre != null)
+                    if (effectPres.Count > 1)
                     {
-                        GameObject go = Instantiate(effectPre, collision.transform);
+                        GameObject go = Instantiate(effectPres[Random.Range(0,effectPres.Count-1)], collision.transform);
                         go.transform.position = new Vector2(collision.transform.position.x, collision.transform.position.y-0.2f);
                         collision.transform.GetComponent<enemy>().SlowDown(0.2f, 3f);
                         
@@ -182,7 +185,7 @@ public class Bullet : MonoBehaviour
                 }
 
             }
-            }
+            
     }
     private float lastDamageTime = 0f;
     private void OnTriggerStay2D(Collider2D collision)
diff --git a/Role/move/2D/SimplePathfindingDoTween.cs b/Role/move/2D/SimplePathfindingDoTween.cs
index 0fbd8fd..462ad7a 100644
--- a/Role/move/2D/SimplePathfindingDoTween.cs
+++ b/Role/move/2D/SimplePathfindingDoTween.cs
@@ -55,7 +55,7 @@ public class SimplePathfindingDoTween : Fun
                 .OnUpdate(() => {
                     
                     
-                    pathTween.timeScale = speedFactor;
+                    //pathTween.timeScale = speedFactor;
 
                     RotateTowardsTarget(); }
                 
@@ -78,14 +78,15 @@ public class SimplePathfindingDoTween : Fun
     // 控制DoTween的速度，接受一个新的速度因子和一个恢复时间
     public void ChangeSpeed(float newSpeedFactor, float restoreTime)
     {
-        // 改变路径动画的速度因子
-        pathTween.timeScale = newSpeedFactor;
+        // 当前的时间缩放因子
+        float currentSpeedFactor = pathTween.timeScale;
 
-        // 设置一个延迟恢复原始速度的功能
-        DOTween.To(() => 0f, x => { }, 0f, restoreTime).OnKill(() =>
-        {
-            Debug.Log("设置减速+++++++++++++++++");
-            // 在延迟结束后恢复原来的速度
+        // 使用Tween来平滑地调整速度因子
+        DOTween.To(() => currentSpeedFactor, x => pathTween.timeScale = x, newSpeedFactor, restoreTime)
+            .OnKill(() =>
+            {
+                Debug.Log("设置减速+++++++++++++++++");
+            // 在延迟结束后恢复原速度
             pathTween.timeScale = 1f;  // 恢复原速度
         });
     }