diff --git a/OpenAuth.App/ServiceApp/ManageApp.cs b/OpenAuth.App/ServiceApp/ManageApp.cs
index b2c28bd..d0c0ed8 100644
--- a/OpenAuth.App/ServiceApp/ManageApp.cs
+++ b/OpenAuth.App/ServiceApp/ManageApp.cs
@@ -1691,15 +1691,42 @@ namespace OpenAuth.App.ServiceApp
 
         public async Task<List<LasaMediaFile>> ListMediaFolder(string workspaceId)
         {
-            // todo 列出所属项目所有 文件
-            var result =  await Repository.ChangeRepository<SugarRepositiry<LasaMediaFile>>()
+            // 列出所属项目所有 文件
+            var result = await Repository.ChangeRepository<SugarRepositiry<LasaMediaFile>>()
                 .AsQueryable()
-                .Where(r => r.WorkspaceId == workspaceId)
+                .WhereIF(!string.IsNullOrEmpty(workspaceId),r => r.WorkspaceId == workspaceId)
                 .Where(r => r.ObjectKey == null)
                 .OrderBy(r => r.CreateTime)
                 .ToListAsync();
-            // Todo 构建树结构 
-            return null;
+            // 构建树结构 
+            return BuildFolderTree1(result);
+        }
+
+
+        public List<LasaMediaFile> BuildFolderTree1(List<LasaMediaFile> folders)
+        {
+            var folderMap = folders.ToDictionary(f => f.Id, f =>
+            {
+                var x = f;
+                x.Children = new List<LasaMediaFile>();
+                return x;
+            });
+
+            var rootNodes = new List<LasaMediaFile>();
+
+            foreach (var folder in folders)
+            {
+                if (string.IsNullOrEmpty(folder.ParentKey) || folder.ParentKey == "0")
+                {
+                    rootNodes.Add(folderMap[folder.Id]);
+                }
+                else if (folderMap.TryGetValue(folder.ParentKey, out var parentNode))
+                {
+                    parentNode.Children.Add(folderMap[folder.Id]);
+                }
+            }
+
+            return rootNodes;
         }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.Repository/Domain/LasaMediaFile.cs b/OpenAuth.Repository/Domain/LasaMediaFile.cs
index 26cf4ef..12e3aa6 100644
--- a/OpenAuth.Repository/Domain/LasaMediaFile.cs
+++ b/OpenAuth.Repository/Domain/LasaMediaFile.cs
@@ -118,4 +118,7 @@ public class LasaMediaFile
     public string PicLink { get; set; }
 
     public string minipic { get; set; }
+    
+    [SugarColumn(IsIgnore = true)]
+    public List<LasaMediaFile> Children { get; set; }
 }
\ No newline at end of file
diff --git a/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs b/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
index 8ddb31c..518e40a 100644
--- a/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
+++ b/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
@@ -179,7 +179,7 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
 
             return result;
         }
-        
+
         /// <summary>
         /// 根据机场sn获取无人机列表
         /// </summary>
@@ -289,8 +289,8 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
         {
             return await _app.GetTaskPicList(flightId, timestamp);
         }
-        
-        
+
+
         [HttpGet]
         [AllowAnonymous]
         public async Task<Response<CommandVideoResponse>> GetTaskVideoList(string flightId, long timestamp)
@@ -301,7 +301,7 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
         #endregion
 
         #region 航线管理
-        
+
         [HttpPost]
         public async Task<Response<bool>> CreateAirLineFolder(FolderCreateReq req)
         {
@@ -619,7 +619,7 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
         {
             return await _app.TestExecuteFlyTask(flightid);
         }
-        
+
 
         [HttpGet]
         [AllowAnonymous]
@@ -820,12 +820,16 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
 
         #endregion
 
-        #region  媒体库
+        #region 媒体库
 
+        /// <summary>
+        /// 媒体文件夹树结构
+        /// </summary>
+        /// <param name="workspaceId"></param>
+        /// <returns></returns>
         [HttpGet]
         public async Task<List<LasaMediaFile>> ListMediaFolder(string workspaceId)
         {
-            
             return await _app.ListMediaFolder(workspaceId);
         }