根据提供的code differences信息，由于没有具体的代码变更内容，我将生成一个通用的commit message模板：

```
docs(readme): 更新文档说明

- 添加项目使用指南
- 完善API接口说明
- 修正错误的配置示例
```

注意：由于您提供的code differences部分为空，以上是一个示例模板。当您有具体的代码变更时，请提供详细的变更内容以便生成更准确的commit message。

Assets/Scripts/投射物和特效/Projectile.cs

@@ -5,6 +5,10 @@ public class Projectile : MonoBehaviour
     [Header("爆炸效果（可选）")]
     public GameObject explosionPrefab;  // 爆炸特效预制体，留空则没有爆炸效果
 
+    [Header("抛物线飞行（可选）")]
+    public bool useParabola = false;     // 是否启用小抛物线飞行
+    public float parabolaHeight = 1.0f;  // 抛物线最高拱起高度 (不太高的抛物线)
+
     private GameObject target;
     private GameObject owner;
     private float damage;
@@ -13,6 +17,9 @@ public class Projectile : MonoBehaviour
     private bool registerEnergyOnHit;
     private bool initialized;
     private bool hasHit;
+    private Vector3 startPosition;
+    private float totalFlyDistance;
+    private float horizontalTraveled;
 
     public void Initialize(
         GameObject targetObject,
@@ -31,6 +38,19 @@ public class Projectile : MonoBehaviour
         initialized = true;
         hasHit = false;
 
+        startPosition = transform.position;
+        horizontalTraveled = 0f;
+        if (targetObject != null)
+        {
+            Vector3 diff = targetObject.transform.position - startPosition;
+            diff.y = 0f;
+            totalFlyDistance = Mathf.Max(0.1f, diff.magnitude);
+        }
+        else
+        {
+            totalFlyDistance = 10f;
+        }
+
         // The projectile uses its own raycast hit check. Disable the collider so
         // it cannot be destroyed or disturbed by the owner's launch socket.
         foreach (var collider in GetComponentsInChildren<Collider>(true))
@@ -57,27 +77,56 @@ public class Projectile : MonoBehaviour
             return;
         }
 
-        // 目标根节点位于脚底，只取水平差值，让箭保持当前高度平行飞行。
-        Vector3 offset = target.transform.position - transform.position;
-        offset.y = 0f;
-        if (offset.sqrMagnitude <= 0.01f)
+        Vector3 targetCurrentPos = target.transform.position;
+        Vector3 offset = targetCurrentPos - transform.position;
+        Vector3 flatOffset = new Vector3(offset.x, 0f, offset.z);
+
+        if (flatOffset.sqrMagnitude <= 0.04f)
         {
             HitTarget(target);
             return;
         }
 
-        Vector3 direction = offset.normalized;
-        float distance = speed * Time.deltaTime;
-        if (distance >= offset.magnitude)
+        Vector3 direction = flatOffset.normalized;
+        float step = speed * Time.deltaTime;
+        horizontalTraveled += step;
+
+        if (step >= flatOffset.magnitude)
         {
             HitTarget(target);
             return;
         }
 
-        // 投射物保持水平飞行，并让根节点前方始终指向当前目标。
-        transform.rotation = Quaternion.LookRotation(direction, Vector3.up);
+        Vector3 nextPos;
+        if (useParabola && totalFlyDistance > 0.1f)
+        {
+            // 水平线性推进
+            float t = Mathf.Clamp01(horizontalTraveled / totalFlyDistance);
+            Vector3 groundPos = Vector3.Lerp(new Vector3(startPosition.x, 0.1f, startPosition.z), new Vector3(targetCurrentPos.x, 0.1f, targetCurrentPos.z), t);
+            
+            // 抛物线高度：基础发射高度渐变 + 4 * h * t * (1 - t) 抛物线弧度
+            float startY = startPosition.y;
+            float targetY = targetCurrentPos.y + 0.8f;
+            float baseY = Mathf.Lerp(startY, targetY, t);
+            float arcY = 4f * parabolaHeight * t * (1f - t);
+            nextPos = new Vector3(groundPos.x, baseY + arcY, groundPos.z);
 
-        if (Physics.Raycast(transform.position, direction, out RaycastHit hit, distance))
+            // 矛身旋转：朝向移动切线方向，矛头顺着抛物线弧度自然俯仰
+            Vector3 velocity = (nextPos - transform.position);
+            if (velocity.sqrMagnitude > 1e-6f)
+            {
+                transform.rotation = Quaternion.LookRotation(velocity.normalized, Vector3.up);
+            }
+            transform.position = nextPos;
+        }
+        else
+        {
+            // 水平直线飞行
+            transform.rotation = Quaternion.LookRotation(direction, Vector3.up);
+            transform.position += direction * step;
+        }
+
+        if (Physics.Raycast(transform.position, direction, out RaycastHit hit, step))
         {
             TryHit(hit.collider.gameObject);
             if (hit.collider.transform.root == target.transform.root)
@@ -85,10 +134,6 @@ public class Projectile : MonoBehaviour
                 return;
             }
         }
-
-        // 火球保持 Prefab 固定角度，不随飞行方向旋转
-        // transform.forward = direction;
-        transform.position += direction * distance;
     }
 
     private void OnTriggerEnter(Collider other)