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Assets/MyGame/Scripts/Manager/GameManager.cs

@@ -23,6 +23,20 @@ public class GameManager : MonoSingleton<GameManager>
     public UserData user;
     public GameData gameData = new GameData();
     public Scene scene;
+
+    /// <summary>
+    /// 头像更新事件（换了头像后触发，所有头像控件统一刷新）
+    /// </summary>
+    public event Action<Sprite> OnAvatarChanged;
+
+    /// <summary>头像字典（name → sprite），从 Resources/Avatar 加载</summary>
+    private Dictionary<string, Sprite> avatarSpriteDict = new Dictionary<string, Sprite>();
+
+    /// <summary>触发头像更新事件</summary>
+    public void TriggerAvatarChanged(Sprite sprite)
+    {
+        OnAvatarChanged?.Invoke(sprite);
+    }
     public CameraShaker cameraShake;
     public Camera ZhuCam;
 
@@ -42,6 +56,43 @@ public class GameManager : MonoSingleton<GameManager>
     //        });
     //#endif
     //    }
+
+    /// <summary>
+    /// 初始化头像缓存（从 Resources/Avatar 加载所有Sprite）
+    /// </summary>
+    public void InitAvatarCache()
+    {
+        avatarSpriteDict.Clear();
+        var sprites = Resources.LoadAll<Sprite>("Avatar");
+        foreach (var s in sprites)
+            avatarSpriteDict[s.name] = s;
+    }
+
+    /// <summary>
+    /// 根据名称获取头像 Sprite
+    /// </summary>
+    public Sprite GetAvatarSprite(string avatarName)
+    {
+        if (avatarSpriteDict.Count == 0) InitAvatarCache();
+        avatarSpriteDict.TryGetValue(avatarName, out var sprite);
+        return sprite;
+    }
+
+    /// <summary>
+    /// 更换头像：上传服务端 → 更新本地 → 触发全局刷新
+    /// </summary>
+    public void ApplyAvatar(string avatarUrl)
+    {
+        APIRequestList.UpdateAvatar(avatarUrl, (result) =>
+        {
+            user.BaseInfo.avatarUrl = avatarUrl;
+            user.BaseInfo.avatarSprite = null;
+
+            var sprite = GetAvatarSprite(avatarUrl);
+            TriggerAvatarChanged(sprite);
+        });
+    }
+
     public void UpdataUserData(UserData user)
     {
        this.user = user;

Assets/MyGame/Scripts/Net/APIRequest/Params/UserEmailParam.cs

@@ -42,4 +42,14 @@ namespace Assets.MyGame.Scripts.Net.APIRequest.Params
         /// <summary>邮件 ID（type=1 时必填）</summary>
         public string id;
     }
+
+    /// <summary>
+    /// 更新头像参数（GET）
+    /// </summary>
+    [Serializable]
+    public class UpdateAvatarParam : RequestParamBase
+    {
+        /// <summary>头像地址或ID</summary>
+        public string avatarUrl;
+    }
 }

Assets/MyGame/Scripts/Net/APIRequestList_User.cs

@@ -81,6 +81,19 @@ namespace Assets.MyGame.Scripts.Net
                 userid=userID
             }, callback);
         }
+
+        /// <summary>
+        /// 更新头像（GET）
+        /// 参数：avatarUrl（头像地址或ID）
+        /// </summary>
+        public static void UpdateAvatar(string avatarUrl, Action<string> callback = null)
+        {
+            APIManager.Response<string>(APIType.User_UpdateAvatar, new UpdateAvatarParam
+            {
+                avatarUrl = avatarUrl
+            }, callback);
+        }
+
         #endregion
 
         #region Notice_公告

Assets/MyGame/Scripts/Net/APIResponses/UserData_SubClass/UserBaseInfo.cs

@@ -10,16 +10,38 @@ public class UserBaseInfo
     public Sprite avatarSprite;
     public IEnumerator DownSprite(System.Action<Sprite> action)
     {
-        string url = avatarUrl;
-        int downCount = 5;
         if (avatarSprite != null)
         {
             action?.Invoke(avatarSprite);
             yield break;
         }
 
+        if (!string.IsNullOrEmpty(avatarUrl))
+        {
+            // 优先从 GameManager 头像缓存读取（兼容图集切片命名）
+            avatarSprite = GameManager.Instance.GetAvatarSprite(avatarUrl);
+            if (avatarSprite != null)
+            {
+                action?.Invoke(avatarSprite);
+                yield break;
+            }
+
+            // 回退：数字ID用 Resources.Load（单图PNG）
+            if (int.TryParse(avatarUrl, out int id) && id > 0)
+            {
+                avatarSprite = Resources.Load<Sprite>($"Avatar/{id}");
+                if (avatarSprite != null)
+                {
+                    action?.Invoke(avatarSprite);
+                    yield break;
+                }
+            }
+        }
+
+        // 网络URL下载
+        string url = avatarUrl;
+        int downCount = 5;
         Texture2D avatarTexture2D = new Texture2D(100, 100);
-        //if (avatarTexture2D == null)
         for (int i = 0; i < downCount; i++)
         {
             using (UnityWebRequest www = UnityWebRequestTexture.GetTexture(url))
@@ -30,29 +52,17 @@ public class UserBaseInfo
                 {
                     Debug.LogError("下载失败: " + www.error);
                     downCount--;
-                    if (downCount == 0)
-                    {
-                        yield break;
-
-                        //action.Invoke(Sprite.Create(new Texture2D(100, 100), new Rect(0, 0, 100, 100), new Vector2(0.5f, 0.5f)));
-
-
-                    }
-
+                    if (downCount == 0) yield break;
                 }
                 else
                 {
                     avatarTexture2D = DownloadHandlerTexture.GetContent(www);
                     avatarSprite = Sprite.Create(avatarTexture2D, new Rect(0, 0, avatarTexture2D.width, avatarTexture2D.height), new Vector2(0.5f, 0.5f));
-                    
-
                     break;
                 }
             }
         }
-
         action?.Invoke(avatarSprite);
-
     }
     public void UpdateAvatar(System.Action<Sprite> action)
     {