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new file mode 100644
index 0000000..9b0023c
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+++ b/Client/Assets/Prefab/CharacterPrefab Variant.prefab	
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diff --git a/Client/Assets/Prefab/CharacterPrefab Variant.prefab.meta b/Client/Assets/Prefab/CharacterPrefab Variant.prefab.meta
new file mode 100644
index 0000000..fed41dc
--- /dev/null
+++ b/Client/Assets/Prefab/CharacterPrefab Variant.prefab.meta	
@@ -0,0 +1,7 @@
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+PrefabImporter:
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+  userData: 
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+  assetBundleVariant: 
diff --git a/Client/Assets/Prefab/EntityPrefab.prefab b/Client/Assets/Prefab/EntityPrefab.prefab
index 4e153bc..7ffbbf0 100644
--- a/Client/Assets/Prefab/EntityPrefab.prefab
+++ b/Client/Assets/Prefab/EntityPrefab.prefab
@@ -97,7 +97,6 @@ GameObject:
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@@ -138,28 +137,8 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
-  entity: {fileID: 7300440714681954677}
+  entity: {fileID: 0}
   outline: {fileID: 1550000129210799929}
---- !u!114 &7300440714681954677
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-  m_CorrespondingSourceObject: {fileID: 0}
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   outlineCollider: {fileID: 1724818962207668775}
   progressBarPrefab: {fileID: 8307348883874536545}
-  entity: {fileID: 7300440714681954677}
+  entity: {fileID: 0}
 --- !u!70 &1724818962207668775
 CapsuleCollider2D:
   m_ObjectHideFlags: 0
diff --git a/Client/Assets/Resources/Default/DefaultEntity.prefab b/Client/Assets/Resources/Default/DefaultEntity.prefab
index 6ea4aac..064d79a 100644
--- a/Client/Assets/Resources/Default/DefaultEntity.prefab
+++ b/Client/Assets/Resources/Default/DefaultEntity.prefab
@@ -130,6 +130,18 @@ PrefabInstance:
       propertyPath: m_IsActive
       value: 1
       objectReference: {fileID: 0}
+    - target: {fileID: 1550000129210799929, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+      propertyPath: entity
+      value: 
+      objectReference: {fileID: 8780386748333639840}
+    - target: {fileID: 1550000129210799929, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+      propertyPath: progressBarPrefab
+      value: 
+      objectReference: {fileID: 0}
+    - target: {fileID: 3332598847335032684, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+      propertyPath: entity
+      value: 
+      objectReference: {fileID: 8780386748333639840}
     - target: {fileID: 3992139212329961548, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
       propertyPath: m_Enabled
       value: 0
@@ -139,15 +151,44 @@ PrefabInstance:
       value: Default
       objectReference: {fileID: 0}
     m_RemovedComponents: []
-    m_RemovedGameObjects: []
+    m_RemovedGameObjects:
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     m_AddedGameObjects:
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       insertIndex: -1
       addedObject: {fileID: 5706548514770437405}
-    m_AddedComponents: []
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diff --git a/Client/Assets/Scenes/Start.unity b/Client/Assets/Scenes/Start.unity
index 2b1c9bf..0eddb13 100644
--- a/Client/Assets/Scenes/Start.unity
+++ b/Client/Assets/Scenes/Start.unity
@@ -283,9 +283,11 @@ MonoBehaviour:
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   isGlobal: 1
   entityLevel: {fileID: 1891846098}
-  entityPrefab: {fileID: 3332598847335032684, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+  entityPrefab: {fileID: 3420474218334607780, guid: 5218adfb8e855a9459df63de8b2f323c, type: 3}
   buildingLevel: {fileID: 651025902}
   buildingPrefab: {fileID: 5615006624229444611, guid: d7b9277d8e6ac4541800044bdb0da063, type: 3}
+  bulletLevel: {fileID: 466785510}
+  bulletPrefab: {fileID: 8687677644466399534, guid: 29b2450a8636a104586e36333878f4d9, type: 3}
   defaultEntityPrefab: {fileID: 7975757421877276383, guid: 89661daa5f100c64783f0ad9cd37a7ff, type: 3}
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@@ -381,6 +383,37 @@ Transform:
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+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
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+  m_PrefabAsset: {fileID: 0}
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+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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@@ -1042,6 +1075,7 @@ Transform:
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+  - {fileID: 466785511}
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diff --git a/Client/Assets/Scripts/AI/JobBase.cs b/Client/Assets/Scripts/AI/JobBase.cs
index 029257f..fb34311 100644
--- a/Client/Assets/Scripts/AI/JobBase.cs
+++ b/Client/Assets/Scripts/AI/JobBase.cs
@@ -77,7 +77,7 @@ namespace AI
     public class TrackPlayerJob : JobBase
     {
         private EntityPrefab currentTarget; // 当前追踪的目标玩家
-        private List<EntityPrefab> players; // 玩家实体列表
+        private LinkedList<EntityPrefab> players; // 玩家实体列表
 
         public override void StartJob(Entity.Entity target)
         {
@@ -87,13 +87,13 @@ namespace AI
 
         protected override void UpdateJob()
         {
-            if (currentTarget == null || currentTarget.entity.IsDead)
+            if (!currentTarget || currentTarget.entity.IsDead)
             {
                 // 如果当前目标无效，则重新查找最近的玩家
                 UpdateTarget();
             }
 
-            if (currentTarget != null)
+            if (currentTarget)
             {
                 var targetPosition = new Vector3(currentTarget.Position.x, currentTarget.Position.y, 0);
                 entity.SetTarget(targetPosition);
@@ -114,7 +114,7 @@ namespace AI
             currentTarget = GetNearestPlayer(players);
         }
 
-        private EntityPrefab GetNearestPlayer(List<EntityPrefab> players)
+        private EntityPrefab GetNearestPlayer(LinkedList<EntityPrefab> players)
         {
             EntityPrefab nearestPlayer = null;
             float minDistance = float.MaxValue;
@@ -144,7 +144,7 @@ namespace AI
 
         protected override void UpdateJob()
         {
-            if (player == null || !IsPlayerInRange())
+            if (!player || !IsPlayerInRange())
             {
                 StopJob(); // 如果玩家不在范围内，停止攻击工作
                 return;
@@ -167,11 +167,11 @@ namespace AI
             base.StartJob(target);
 
             // 查找最近的玩家作为目标
-            List<EntityPrefab> players = Managers.EntityManage.Instance.FindEntitiesByFaction("Player");
+            LinkedList<EntityPrefab> players = Managers.EntityManage.Instance.FindEntitiesByFaction("Player");
             player = GetNearestPlayer(players);
         }
 
-        private EntityPrefab GetNearestPlayer(List<EntityPrefab> players)
+        private EntityPrefab GetNearestPlayer(LinkedList<EntityPrefab> players)
         {
             EntityPrefab nearestPlayer = null;
             float minDistance = float.MaxValue;
@@ -197,7 +197,7 @@ namespace AI
 
         private bool IsPlayerValid(EntityPrefab player)
         {
-            return player != null && !player.entity.IsDead;
+            return player && !player.entity.IsDead;
         }
     }
     public class RangedAttackJob : JobBase
@@ -206,7 +206,7 @@ namespace AI
 
         protected override void UpdateJob()
         {
-            if (player == null || !IsPlayerValid(player))
+            if (!player || !IsPlayerValid(player))
             {
                 StopJob(); // 如果当前目标无效，停止工作
                 return;
@@ -256,11 +256,11 @@ namespace AI
             base.StartJob(target);
 
             // 查找最近的玩家作为目标
-            List<EntityPrefab> players = Managers.EntityManage.Instance.FindEntitiesByFaction("Player");
+            var players = Managers.EntityManage.Instance.FindEntitiesByFaction("Player");
             player = GetNearestPlayer(players);
         }
 
-        private EntityPrefab GetNearestPlayer(List<EntityPrefab> players)
+        private EntityPrefab GetNearestPlayer(LinkedList<EntityPrefab> players)
         {
             EntityPrefab nearestPlayer = null;
             float minDistance = float.MaxValue;
@@ -286,7 +286,7 @@ namespace AI
 
         private bool IsPlayerValid(EntityPrefab player)
         {
-            return player != null && !player.entity.IsDead;
+            return player && !player.entity.IsDead;
         }
 
         private const float MaxTrackDistance = 20f; // 最大追踪距离
diff --git a/Client/Assets/Scripts/Data/BuildingDef.cs b/Client/Assets/Scripts/Data/BuildingDef.cs
index d9edab4..47a66cc 100644
--- a/Client/Assets/Scripts/Data/BuildingDef.cs
+++ b/Client/Assets/Scripts/Data/BuildingDef.cs
@@ -1,6 +1,6 @@
 namespace Data
 {
-    public class BuildingDef : PawnDef
+    public class BuildingDef : EntityDef
     {
         public float slowDown = 0f;
     }
diff --git a/Client/Assets/Scripts/Data/BulletDef.cs b/Client/Assets/Scripts/Data/BulletDef.cs
new file mode 100644
index 0000000..523e5c2
--- /dev/null
+++ b/Client/Assets/Scripts/Data/BulletDef.cs
@@ -0,0 +1,8 @@
+namespace Data
+{
+    public class BulletDef:EntityDef
+    {
+        public string className;
+        public string value;
+    }
+}
\ No newline at end of file
diff --git a/Client/Assets/Scripts/Data/BulletDef.cs.meta b/Client/Assets/Scripts/Data/BulletDef.cs.meta
new file mode 100644
index 0000000..c333573
--- /dev/null
+++ b/Client/Assets/Scripts/Data/BulletDef.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 3f32fe058231409aaef631564bc51317
+timeCreated: 1755173999
\ No newline at end of file
diff --git a/Client/Assets/Scripts/Data/CharacterDef.cs b/Client/Assets/Scripts/Data/CharacterDef.cs
index f918c75..6b8eae0 100644
--- a/Client/Assets/Scripts/Data/CharacterDef.cs
+++ b/Client/Assets/Scripts/Data/CharacterDef.cs
@@ -7,7 +7,7 @@ using UnityEngine;
 
 namespace Data
 {
-    public class CharacterDef : PawnDef
+    public class CharacterDef : EntityDef
     {
     }
 
diff --git a/Client/Assets/Scripts/Data/PawnDef.cs b/Client/Assets/Scripts/Data/EntityDef.cs
similarity index 89%
rename from Client/Assets/Scripts/Data/PawnDef.cs
rename to Client/Assets/Scripts/Data/EntityDef.cs
index f42cb9a..715bee8 100644
--- a/Client/Assets/Scripts/Data/PawnDef.cs
+++ b/Client/Assets/Scripts/Data/EntityDef.cs
@@ -5,7 +5,7 @@ using System.Xml.Linq;
 
 namespace Data
 {
-    public class PawnDef : Define
+    public class EntityDef : Define
     {
         public AttributesDef attributes;
         public DrawingOrderDef drawingOrder;
diff --git a/Client/Assets/Scripts/Data/PawnDef.cs.meta b/Client/Assets/Scripts/Data/EntityDef.cs.meta
similarity index 100%
rename from Client/Assets/Scripts/Data/PawnDef.cs.meta
rename to Client/Assets/Scripts/Data/EntityDef.cs.meta
diff --git a/Client/Assets/Scripts/Data/MonsterDef.cs b/Client/Assets/Scripts/Data/MonsterDef.cs
index 605b4ea..0dcbcd8 100644
--- a/Client/Assets/Scripts/Data/MonsterDef.cs
+++ b/Client/Assets/Scripts/Data/MonsterDef.cs
@@ -1,6 +1,6 @@
 namespace Data
 {
-    public class MonsterDef:PawnDef
+    public class MonsterDef:EntityDef
     {
 
     }
diff --git a/Client/Assets/Scripts/Entity/Bullet.cs b/Client/Assets/Scripts/Entity/Bullet.cs
index d88517a..c988c67 100644
--- a/Client/Assets/Scripts/Entity/Bullet.cs
+++ b/Client/Assets/Scripts/Entity/Bullet.cs
@@ -3,8 +3,14 @@ using UnityEngine;
 
 namespace Entity
 {
-    public class Bullet:Entity
+    public class Bullet : Entity
     {
+        public override void SetTarget(Vector3 pos)
+        {
+            base.SetTarget(pos);
+            RotateTransformToDirection(transform, direction);
+        }
+
         protected override void AutoBehave()
         {
             TryMove();
@@ -13,6 +19,19 @@ namespace Entity
         private void OnTriggerEnter2D(Collider2D other)
         {
             other.GetComponent<Entity>()?.OnHit(this);
+            attributes.health -= 1;
+        }
+        // 旋转对象到指定方向
+        public static void RotateTransformToDirection(Transform transform, Vector3 targetDirection)
+        {
+            // 默认向上方向
+            Vector3 upDirection = Vector3.up;
+
+            // 计算旋转角度
+            float angle = Mathf.Atan2(targetDirection.x, targetDirection.y) * Mathf.Rad2Deg;
+
+            // 设置旋转
+            transform.rotation = Quaternion.Euler(0, 0, angle);
         }
     }
 }
\ No newline at end of file
diff --git a/Client/Assets/Scripts/Entity/Character.cs b/Client/Assets/Scripts/Entity/Character.cs
index fb1b9c5..3f7fbaf 100644
--- a/Client/Assets/Scripts/Entity/Character.cs
+++ b/Client/Assets/Scripts/Entity/Character.cs
@@ -10,7 +10,7 @@ namespace Entity
     public class Character : Entity
     {
         public CharacterDef characterDef;
-
+        
         private void Start()
         {
             aiTree = new JobGiver_RandomWander();
@@ -22,6 +22,17 @@ namespace Entity
             if (characterDef == null)
                 return;
         }
-        
+
+        public override void TryAttack()
+        {
+            if (IsAttacking)
+                return;
+            if (!Managers.DefineManager.Instance.defines.TryGetValue(nameof(BulletDef), out var def))
+                return;
+            var buttonDef = def.Values.First();
+            Vector3 dir = Utils.MousePosition.GetWorldPosition();
+            Managers.EntityManage.Instance.GenerateBulletEntity((BulletDef)buttonDef, Position,
+                dir - Position);
+        }
     }
 }
\ No newline at end of file
diff --git a/Client/Assets/Scripts/Entity/Entity.cs b/Client/Assets/Scripts/Entity/Entity.cs
index 2e0f55d..8ce491a 100644
--- a/Client/Assets/Scripts/Entity/Entity.cs
+++ b/Client/Assets/Scripts/Entity/Entity.cs
@@ -134,7 +134,7 @@ namespace Entity
         // 协程引用
         private Coroutine attackCoroutine;
 
-        protected PawnDef entityDef;
+        protected EntityDef entityDef;
 
 
         public float hitBarUIShowTime = 5;
@@ -144,14 +144,14 @@ namespace Entity
         /// <summary>
         /// 初始化实体的基本属性和行为树。
         /// </summary>
-        /// <param name="pawnDef">实体的定义数据。</param>
-        public virtual void Init(PawnDef pawnDef)
+        /// <param name="entityDef">实体的定义数据。</param>
+        public virtual void Init(EntityDef entityDef)
         {
-            attributes = pawnDef.attributes.Clone();
-            aiTree = Utils.BehaviorTree.ConvertToAIBase(pawnDef.behaviorTree);
-            affiliation = pawnDef.affiliation;
-            InitBody(pawnDef.drawingOrder);
-            entityDef = pawnDef;
+            attributes = entityDef.attributes.Clone();
+            aiTree = Utils.BehaviorTree.ConvertToAIBase(entityDef.behaviorTree);
+            affiliation = entityDef.affiliation;
+            InitBody(entityDef.drawingOrder);
+            this.entityDef = entityDef;
             
             HideHealthBar();
         }
@@ -288,9 +288,18 @@ namespace Entity
         /// <param name="orientation">新的朝向。</param>
         public virtual void SetOrientation(Orientation orientation)
         {
-            bodyNodes[currentOrientation]?.SetActive(false);
+            // 禁用当前朝向的节点
+            if (bodyNodes.TryGetValue(currentOrientation, out var currentNode))
+            {
+                currentNode.SetActive(false);
+            }
+            // 设置新的朝向
             currentOrientation = orientation;
-            bodyNodes[orientation]?.SetActive(true);
+            // 激活新朝向的节点
+            if (bodyNodes.TryGetValue(orientation, out var newNode))
+            {
+                newNode.SetActive(true);
+            }
         }
 
         /// <summary>
@@ -475,20 +484,13 @@ namespace Entity
 
         public void DetectAndAttackEnemies()
         {
-            const int attackRange = 3;
-            var attackCount = 3;
-    
-            // 获取攻击范围内的所有碰撞体，使用LayerMask过滤掉非敌人
+            var attackCount = attributes.attackTargetCount;
+            // 获取攻击范围内的所有碰撞体
             var hits = Physics2D.OverlapCircleAll(
                 transform.position, 
-                attackRange, 
+                attributes.attackRange, 
                 LayerMask.GetMask("Entity"));
 
-            // 或者使用标签过滤（如果敌人有特定标签）
-            // Collider2D[] hits = Physics2D.OverlapCircleAll(transform.position, attackRange);
-    
-            Debug.Log($"Found {hits.Length} potential targets in attack range");
-
             foreach (var hit in hits)
             {
                 if (attackCount <= 0) break;
diff --git a/Client/Assets/Scripts/Managers/EntityManage.cs b/Client/Assets/Scripts/Managers/EntityManage.cs
index 8452ad6..4b593a3 100644
--- a/Client/Assets/Scripts/Managers/EntityManage.cs
+++ b/Client/Assets/Scripts/Managers/EntityManage.cs
@@ -7,24 +7,29 @@ using UnityEngine;
 
 namespace Managers
 {
-    public class EntityManage:Utils.MonoSingleton<EntityManage>,ITick
+    public class EntityManage : Utils.MonoSingleton<EntityManage>, ITick
     {
-        public Dictionary<string, List<EntityPrefab>> factionEntities = new();
-        
+        public Dictionary<string, LinkedList<EntityPrefab>> factionEntities = new();
+
         public GameObject entityLevel;
         public EntityPrefab entityPrefab;
         public GameObject buildingLevel;
         public EntityPrefab buildingPrefab;
-        
+        public GameObject bulletLevel;
+        public EntityPrefab bulletPrefab;
+
         public EntityPrefab defaultEntityPrefab;
-        public List<EntityPrefab> FindEntitiesByFaction(string factionKey)
+
+        public LinkedList<EntityPrefab> FindEntitiesByFaction(string factionKey)
         {
             if (factionEntities.TryGetValue(factionKey, out var entities))
             {
                 return entities; // 如果找到，返回对应的实体列表
             }
-            return new List<EntityPrefab>(); // 如果未找到，返回一个空列表
+
+            return new(); // 如果未找到，返回一个空列表
         }
+
         public void Tick()
         {
             foreach (var faction in factionEntities)
@@ -43,6 +48,7 @@ namespace Managers
                         itike.Tick();
                     }
                 }
+
                 // 删除所有标记为死亡的实体
                 foreach (var entityToRemove in entitiesToRemove)
                 {
@@ -53,160 +59,186 @@ namespace Managers
         }
 
         /// <summary>
-        /// 根据给定的PawnDef生成一个实体对象。
+        /// 根据给定的Def生成实体对象（内部通用方法）。
         /// </summary>
-        /// <param name="pawnDef">定义实体属性的PawnDef对象。</param>
-        /// <param name="pos">实体生成的位置。</param>
-        /// <remarks>
-        /// 1. 如果entityPrefab或pawnDef为null，则不会生成实体。
-        /// 2. 实体将被创建在entityLevel.transform下。
-        /// 3. 使用EntityPrefab组件初始化实体。
-        /// </remarks>
-        public void GenerateEntity(Data.PawnDef pawnDef, Vector3 pos)
+        /// <param name="prefab">要实例化的预制体</param>
+        /// <param name="parent">生成的父级Transform</param>
+        /// <param name="pos">生成位置</param>
+        /// <param name="def">实体定义对象</param>
+        /// <param name="extraInit">额外的初始化操作（如子弹方向设置）</param>
+        /// <returns>成功时返回EntityPrefab组件，失败时返回null</returns>
+        private EntityPrefab GenerateEntityInternal(
+            GameObject prefab,
+            Transform parent,
+            Vector3 pos,
+            Data.EntityDef def, // 所有Def类型需继承自BaseDef
+            Action<EntityPrefab> extraInit = null)
         {
-            // 检查 entityPrefab 是否为空
-            if (!entityPrefab)
-            {
-                Debug.LogError("Error: entityPrefab is null. Please assign a valid prefab.");
-                GenerateDefaultEntity(pos);
-                return;
-            }
-
-            // 检查 pawnDef 是否为空
-            if (pawnDef == null)
-            {
-                Debug.LogError("Error: PawnDef is null. Cannot generate entity without a valid PawnDef.");
-                GenerateDefaultEntity(pos);
-                return;
-            }
-
-            GameObject instantiatedEntity = null; // 用于跟踪已实例化的对象
-
+            GameObject instantiatedEntity = null;
             try
             {
-                // 实例化实体对象
-                instantiatedEntity = Instantiate(entityPrefab.gameObject, pos, Quaternion.identity, entityLevel.transform);
+                // 实例化实体
+                instantiatedEntity = Instantiate(prefab, pos, Quaternion.identity, parent);
 
-                // 获取 EntityPrefab 组件
+                // 获取并验证EntityPrefab组件
                 var entityComponent = instantiatedEntity.GetComponent<EntityPrefab>();
-
-                // 检查 EntityPrefab 组件是否存在
                 if (!entityComponent)
                 {
-                    throw new InvalidOperationException($"Error: EntityPrefab component not found on the instantiated object: {instantiatedEntity.name}");
+                    throw new InvalidOperationException(
+                        $"EntityPrefab component missing on: {instantiatedEntity.name}");
                 }
 
-                // 初始化实体组件
-                entityComponent.Init(pawnDef);
-                
-                // 确保派系键存在，并初始化对应的列表
-                var factionKey = pawnDef.attributes.label ?? "default"; // 使用 null 合并运算符简化代码
+                // 初始化核心数据
+                entityComponent.Init(def);
+
+                // 执行类型特有的额外初始化
+                extraInit?.Invoke(entityComponent);
+
+                // 管理派系列表
+                var factionKey = def.attributes.label ?? "default";
                 if (!factionEntities.ContainsKey(factionKey))
                 {
-                    factionEntities[factionKey] = new List<EntityPrefab>();
+                    factionEntities[factionKey] = new LinkedList<EntityPrefab>();
                 }
-                factionEntities[factionKey].Add(entityComponent);
+
+                factionEntities[factionKey].AddLast(entityComponent);
+
+                return entityComponent;
             }
             catch (System.Exception ex)
             {
-                // 如果有已实例化的对象，则销毁它
-                if (instantiatedEntity)
-                {
-                    Destroy(instantiatedEntity); // 删除已创建的对象
-                }
+                // 清理失败实例
+                if (instantiatedEntity) Destroy(instantiatedEntity);
 
-                // 捕获并记录任何异常
-                Debug.LogError($"An error occurred while generating the entity: {ex.Message}\nStack Trace: {ex.StackTrace}");
-
-                // 调用默认生成方法
-                GenerateDefaultEntity(pos);
+                Debug.LogError($"Entity generation failed: {ex.Message}\n{ex.StackTrace}");
+                return null;
             }
         }
 
+        /// <summary>
+        /// 根据PawnDef生成普通实体
+        /// </summary>
+        public void GenerateEntity(Data.EntityDef entityDef, Vector3 pos)
+        {
+            // 验证关键参数
+            if (!entityPrefab)
+            {
+                Debug.LogError("entityPrefab is null! Assign a valid prefab.");
+                GenerateDefaultEntity(pos);
+                return;
+            }
+
+            if (entityDef == null)
+            {
+                Debug.LogError("EntityDef is null! Cannot generate entity.");
+                GenerateDefaultEntity(pos);
+                return;
+            }
+
+            // 调用通用生成逻辑
+            var result = GenerateEntityInternal(
+                entityPrefab.gameObject,
+                entityLevel.transform,
+                pos,
+                entityDef
+            );
+
+            if (!result) GenerateDefaultEntity(pos);
+        }
+
+        /// <summary>
+        /// 生成建筑实体（位置使用Vector3Int）
+        /// </summary>
         public void GenerateBuildingEntity(Data.BuildingDef buildingDef, Vector3Int pos)
         {
-            // 检查 entityPrefab 是否为空
-            if (!entityPrefab)
+            // 修正：检查正确的预制体 (buildingPrefab)
+            if (!buildingPrefab)
             {
-                Debug.LogError("Error: entityPrefab is null. Please assign a valid prefab.");
+                Debug.LogError("buildingPrefab is null! Assign a valid prefab.");
                 GenerateDefaultEntity(pos);
                 return;
             }
 
-            // 检查 pawnDef 是否为空
             if (buildingDef == null)
             {
-                Debug.LogError("Error: PawnDef is null. Cannot generate entity without a valid PawnDef.");
+                Debug.LogError("BuildingDef is null! Cannot generate building.");
                 GenerateDefaultEntity(pos);
                 return;
             }
 
-            GameObject instantiatedEntity = null; // 用于跟踪已实例化的对象
+            var worldPos = new Vector3(pos.x, pos.y, pos.z);
 
-            try
-            {
-                // 实例化实体对象
-                instantiatedEntity = Instantiate(buildingPrefab.gameObject, pos, Quaternion.identity, buildingLevel.transform);
+            var result = GenerateEntityInternal(
+                buildingPrefab.gameObject,
+                buildingLevel.transform,
+                worldPos,
+                buildingDef
+            );
 
-                // 获取 EntityPrefab 组件
-                var entityComponent = instantiatedEntity.GetComponent<EntityPrefab>();
-
-                // 检查 EntityPrefab 组件是否存在
-                if (!entityComponent)
-                {
-                    throw new InvalidOperationException($"Error: EntityPrefab component not found on the instantiated object: {instantiatedEntity.name}");
-                }
-
-                // 初始化实体组件
-                entityComponent.Init(buildingDef);
-
-                // 确保派系键存在，并初始化对应的列表
-                var factionKey = buildingDef.attributes.label ?? "default"; // 使用 null 合并运算符简化代码
-                if (!factionEntities.ContainsKey(factionKey))
-                {
-                    factionEntities[factionKey] = new List<EntityPrefab>();
-                }
-                factionEntities[factionKey].Add(entityComponent);
-            }
-            catch (System.Exception ex)
-            {
-                // 如果有已实例化的对象，则销毁它
-                if (instantiatedEntity)
-                {
-                    Destroy(instantiatedEntity); // 删除已创建的对象
-                }
-
-                // 捕获并记录任何异常
-                Debug.LogError($"An error occurred while generating the entity: {ex.Message}\nStack Trace: {ex.StackTrace}");
-
-                // 调用默认生成方法
-                GenerateDefaultEntity(pos);
-            }
+            if (!result) GenerateDefaultEntity(pos);
         }
-        
+
+        /// <summary>
+        /// 生成子弹实体（含方向设置）
+        /// </summary>
+        public void GenerateBulletEntity(Data.BulletDef bulletDef, Vector3 pos, Vector3 dir)
+        {
+            // 修正：检查正确的预制体 (bulletPrefab)
+            if (!bulletPrefab)
+            {
+                Debug.LogError("bulletPrefab is null! Assign a valid prefab.");
+                GenerateDefaultEntity(pos);
+                return;
+            }
+
+            if (bulletDef == null)
+            {
+                Debug.LogError("BulletDef is null! Cannot generate bullet.");
+                GenerateDefaultEntity(pos);
+                return;
+            }
+
+            var result = GenerateEntityInternal(
+                bulletPrefab.gameObject,
+                bulletLevel.transform,
+                pos,
+                bulletDef,
+                // 子弹特有的方向设置
+                entityComponent => entityComponent.entity.SetTarget(pos + dir)
+            );
+
+            if (!result) GenerateDefaultEntity(pos);
+        }
+
+        /// <summary>
+        /// 生成默认实体（错误回退）
+        /// </summary>
         public void GenerateDefaultEntity(Vector3 pos)
         {
-            var entity = Instantiate(defaultEntityPrefab.gameObject, pos, Quaternion.identity, entityLevel.transform);
+            var entity = Instantiate(defaultEntityPrefab, pos, Quaternion.identity, entityLevel.transform);
             var entityComponent = entity.GetComponent<EntityPrefab>();
+
             const string factionKey = "default";
             if (!factionEntities.ContainsKey(factionKey))
             {
-                factionEntities[factionKey] = new List<EntityPrefab>();
+                factionEntities[factionKey] = new LinkedList<EntityPrefab>();
             }
+
             entityComponent.DefaultInit();
-            factionEntities[factionKey].Add(entityComponent);
+            factionEntities[factionKey].AddLast(entityComponent);
         }
+
         protected override void OnStart()
         {
             factionEntities.Clear();
-            
+
         }
 
         private void Start()
         {
             var pre = Resources.Load<GameObject>("Default/DefaultEntity");
             defaultEntityPrefab = pre.GetComponent<EntityPrefab>();
-            
+
         }
     }
 }
\ No newline at end of file
diff --git a/Client/Assets/Scripts/Managers/PackagesImageManager.cs b/Client/Assets/Scripts/Managers/PackagesImageManager.cs
index 6595b2c..6509325 100644
--- a/Client/Assets/Scripts/Managers/PackagesImageManager.cs
+++ b/Client/Assets/Scripts/Managers/PackagesImageManager.cs
@@ -377,7 +377,7 @@ namespace Managers
                     // 尝试解析编号
                     if (int.TryParse(suffix, out var number))
                     {
-                        sprites.Add((number, Value: value));
+                        sprites.Add((number, value));
                     }
                 }
             }
diff --git a/Client/Assets/Scripts/Prefab/EntityPrefab.cs b/Client/Assets/Scripts/Prefab/EntityPrefab.cs
index 45f1939..2a73146 100644
--- a/Client/Assets/Scripts/Prefab/EntityPrefab.cs
+++ b/Client/Assets/Scripts/Prefab/EntityPrefab.cs
@@ -26,9 +26,9 @@ namespace Prefab
             }
         }
 
-        public void Init(Data.PawnDef pawnDef)
+        public void Init(Data.EntityDef entityDef)
         {
-            entity.Init(pawnDef);
+            entity.Init(entityDef);
 
             outline.Init();
             outline.Hide();
diff --git a/Client/Assets/Scripts/UI/DevMenuUI.cs b/Client/Assets/Scripts/UI/DevMenuUI.cs
index 72935e0..f22aad3 100644
--- a/Client/Assets/Scripts/UI/DevMenuUI.cs
+++ b/Client/Assets/Scripts/UI/DevMenuUI.cs
@@ -141,13 +141,13 @@ namespace UI
             return instantiatedComponent;
         }
 
-        private void GenerateEntityCallback(PawnDef pawnDef)
+        private void GenerateEntityCallback(EntityDef entityDef)
         {
             entityPlacementUI.currentAction = () =>
             {
-                Managers.EntityManage.Instance.GenerateEntity(pawnDef, Utils.MousePosition.GetWorldPosition());
+                Managers.EntityManage.Instance.GenerateEntity(entityDef, Utils.MousePosition.GetWorldPosition());
             };
-            entityPlacementUI.Prompt = $"当前生成器：\n名称：{pawnDef.label}\n描述：{pawnDef.description}";
+            entityPlacementUI.Prompt = $"当前生成器：\n名称：{entityDef.label}\n描述：{entityDef.description}";
             entityPlacementUI.snapEnabled = false;
             Base.UIInputControl.Instance.Show(entityPlacementUI);
         }
diff --git a/Client/Data/Core/Define/Item/Weapon.xml b/Client/Data/Core/Define/Item/Weapon.xml
index cc66050..f373d69 100644
--- a/Client/Data/Core/Define/Item/Weapon.xml
+++ b/Client/Data/Core/Define/Item/Weapon.xml
@@ -21,12 +21,19 @@
 
     <BulletDef>
         <defName>yellowBullet</defName>
-        <moveSpeed>10</moveSpeed>
-        <texture>
-            <path>Resources\Item\YellowBullet.png</path>
-        </texture>
+        <attributes>
+            <health>1</health>
+            <moveSpeed>20</moveSpeed>
+        </attributes>
+        <drawingOrder>
+            <texturePath>Resources\Item</texturePath>
+            <pixelsPerUnit>20</pixelsPerUnit>
+            <drawingOrder_down>
+                <node name="YellowBullet"/>
+            </drawingOrder_down>
+        </drawingOrder>
         <behaviorTree>
-            <Node className="ContinuousMove"/>
+            <Node className="JobGiver_ContinuousMove"/>
         </behaviorTree>
     </BulletDef>
 
diff --git a/Client/Data/Core/Resources/Item/YellowBullet.png b/Client/Data/Core/Resources/Item/YellowBullet_down.png
similarity index 100%
rename from Client/Data/Core/Resources/Item/YellowBullet.png
rename to Client/Data/Core/Resources/Item/YellowBullet_down.png