diff --git a/prefab/items/resignationCertificate.tscn b/prefab/items/resignationCertificate.tscn
index a5c5197..99a037a 100644
--- a/prefab/items/resignationCertificate.tscn
+++ b/prefab/items/resignationCertificate.tscn
@@ -17,6 +17,7 @@ collision_layer = 8
 collision_mask = 34
 angular_damp = -1.0
 script = ExtResource("1_nydte")
+FiringIntervalAsMillisecond = 1000
 
 [node name="DamageArea2D" type="Area2D" parent="."]
 collision_layer = 8
diff --git a/scripts/inventory/ResignationCertificate.cs b/scripts/inventory/ResignationCertificate.cs
index 95566c6..67c7c64 100644
--- a/scripts/inventory/ResignationCertificate.cs
+++ b/scripts/inventory/ResignationCertificate.cs
@@ -1,6 +1,6 @@
 using ColdMint.scripts.character;
 using ColdMint.scripts.damage;
-using ColdMint.scripts.pickable;
+using ColdMint.scripts.weapon;
 using Godot;
 
 namespace ColdMint.scripts.inventory;
@@ -9,13 +9,12 @@ namespace ColdMint.scripts.inventory;
 /// <para>ResignationCertificate</para>
 /// <para>离职证明</para>
 /// </summary>
-public partial class ResignationCertificate : PickAbleTemplate
+public partial class ResignationCertificate : WeaponTemplate
 {
     private readonly Damage _damage = new()
     {
         MaxDamage = 1,
         MinDamage = 1,
-        CriticalStrikeProbability = 100,
         Type = Config.DamageType.Magic
     };
 
@@ -30,7 +29,7 @@ public partial class ResignationCertificate : PickAbleTemplate
     {
         get => Config.ItemType.Item;
     }
-    public override bool Use(Node2D? owner, Vector2 targetGlobalPosition)
+    protected override bool DoFire(Node2D? owner, Vector2 enemyGlobalPosition)
     {
         if (Owner is CharacterTemplate characterTemplate)
         {
diff --git a/scripts/pickable/PickAbleTemplate.cs b/scripts/pickable/PickAbleTemplate.cs
index 93a1ac3..0ae4099 100644
--- a/scripts/pickable/PickAbleTemplate.cs
+++ b/scripts/pickable/PickAbleTemplate.cs
@@ -57,7 +57,7 @@ public partial class PickAbleTemplate : RigidBody2D, IItem
     /// <para>Enabled contact injury</para>
     /// <para>启用接触伤害</para>
     /// </summary>
-    public bool EnableContactInjury;
+    public virtual bool EnableContactInjury { get; set; }
 
     [Export] private int _minContactInjury = 1;
     [Export] private int _maxContactInjury = 2;
diff --git a/scripts/spell/SpellPickAble.cs b/scripts/spell/SpellPickAble.cs
index 441d199..252d5f0 100644
--- a/scripts/spell/SpellPickAble.cs
+++ b/scripts/spell/SpellPickAble.cs
@@ -18,6 +18,16 @@ public partial class SpellPickAble : PickAbleTemplate, ISpell
     [Export]
     private string? _projectilePath;
 
+    /// <summary>
+    /// <para>Spells do no collision damage</para>
+    /// <para>法术没有碰撞伤害</para>
+    /// </summary>
+    public override bool EnableContactInjury
+    {
+        get => false;
+        set { }
+    }
+
     private PackedScene? _projectileScene;
     public override void _Ready()
     {