diff --git a/Flawless-Version-Control.sln.DotSettings b/Flawless-Version-Control.sln.DotSettings
new file mode 100644
index 0000000..06b71d5
--- /dev/null
+++ b/Flawless-Version-Control.sln.DotSettings
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/CodeEditing/SuppressUninitializedWarningFix/Enabled/@EntryValue">False</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/Flawless.Communication/Request/QueryPagesRequest.cs b/Flawless.Communication/Request/QueryPagesRequest.cs
deleted file mode 100644
index f2d9249..0000000
--- a/Flawless.Communication/Request/QueryPagesRequest.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-namespace Flawless.Communication.Request;
-
-public class QueryPagesRequest<T>
-{
-    public required int Offset { get; init; }
-    
-    public required int Length { get; init; }
-    
-    public T? Parameter { get; init; }
-}
-
-public class QueryPagesRequest
-{
-    public required int Offset { get; init; }
-    
-    public required int Length { get; init; }
-}
\ No newline at end of file
diff --git a/Flawless.Communication/Response/CommitSuccessResponse.cs b/Flawless.Communication/Response/CommitSuccessResponse.cs
new file mode 100644
index 0000000..a3dd975
--- /dev/null
+++ b/Flawless.Communication/Response/CommitSuccessResponse.cs
@@ -0,0 +1,3 @@
+namespace Flawless.Communication.Response;
+
+public record CommitSuccessResponse(DateTime CommittedOn, Guid CommitId);
\ No newline at end of file
diff --git a/Flawless.Communication/Response/ListingResponse.cs b/Flawless.Communication/Response/ListingResponse.cs
new file mode 100644
index 0000000..8697556
--- /dev/null
+++ b/Flawless.Communication/Response/ListingResponse.cs
@@ -0,0 +1,3 @@
+namespace Flawless.Communication.Response;
+
+public record ListingResponse<T>(T[] Result);
\ No newline at end of file
diff --git a/Flawless.Communication/Response/PagedResponse.cs b/Flawless.Communication/Response/PagedResponse.cs
deleted file mode 100644
index 5be4a86..0000000
--- a/Flawless.Communication/Response/PagedResponse.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-namespace Flawless.Communication.Response;
-
-public record PagedResponse<T>
-{
-    public required int Offset { get; init; }
-    
-    public required int Length { get; init; }
-    
-    public int? Total { get; init; }
-    
-    public IEnumerable<T>? Data { get; init; }
-}
-
-public record PagedResponse<TData, TMetadata>
-{
-    public required int Offset { get; init; }
-    
-    public required int Length { get; init; }
-    
-    public int? Total { get; init; }
-    
-    public IEnumerable<TData>? Data { get; init; }
-    
-    public TMetadata? Metadata { get; init; }
-}
\ No newline at end of file
diff --git a/Flawless.Communication/Response/PeekResponse.cs b/Flawless.Communication/Response/PeekResponse.cs
new file mode 100644
index 0000000..ba536b6
--- /dev/null
+++ b/Flawless.Communication/Response/PeekResponse.cs
@@ -0,0 +1,3 @@
+namespace Flawless.Communication.Response;
+
+public record PeekResponse<T>(T Result);
\ No newline at end of file
diff --git a/Flawless.Communication/Response/RepositoryCommitResponse.cs b/Flawless.Communication/Response/RepositoryCommitResponse.cs
new file mode 100644
index 0000000..a034cb8
--- /dev/null
+++ b/Flawless.Communication/Response/RepositoryCommitResponse.cs
@@ -0,0 +1,4 @@
+namespace Flawless.Communication.Response;
+
+public record RepositoryCommitResponse(
+    Guid Id, string Author, DateTime CommitedOn, string Message, Guid MainDepotId);
\ No newline at end of file
diff --git a/Flawless.Communication/Response/ServerStatusResponse.cs b/Flawless.Communication/Response/ServerStatusResponse.cs
index b0991c8..4b08e9d 100644
--- a/Flawless.Communication/Response/ServerStatusResponse.cs
+++ b/Flawless.Communication/Response/ServerStatusResponse.cs
@@ -2,5 +2,7 @@
 
 public record ServerStatusResponse
 {
+    public required string? FriendlyName { get; init; }
+    
     public required bool AllowPublicRegister { get; set; }
 }
\ No newline at end of file
diff --git a/Flawless.Communication/Shared/LockFileInfo.cs b/Flawless.Communication/Shared/LockFileInfo.cs
new file mode 100644
index 0000000..26d3eac
--- /dev/null
+++ b/Flawless.Communication/Shared/LockFileInfo.cs
@@ -0,0 +1,3 @@
+namespace Flawless.Communication.Shared;
+
+public record LockFileInfo(string Path, string Owner);
\ No newline at end of file
diff --git a/Flawless.Server/Controllers/AuthenticationController.cs b/Flawless.Server/Controllers/AuthenticationController.cs
index 69558a3..27de4fd 100644
--- a/Flawless.Server/Controllers/AuthenticationController.cs
+++ b/Flawless.Server/Controllers/AuthenticationController.cs
@@ -27,7 +27,8 @@ public class AuthenticationController(
     {
         return Task.FromResult<ActionResult<ServerStatusResponse>>(Ok(new ServerStatusResponse()
         {
-            AllowPublicRegister = true
+            AllowPublicRegister = true,
+            FriendlyName = "Ca2didi Server"
         })); 
     }
     
diff --git a/Flawless.Server/Controllers/RepositoryInnieController.cs b/Flawless.Server/Controllers/RepositoryInnieController.cs
index 2abad88..eadc4da 100644
--- a/Flawless.Server/Controllers/RepositoryInnieController.cs
+++ b/Flawless.Server/Controllers/RepositoryInnieController.cs
@@ -13,6 +13,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.OpenApi.Validations.Rules;
 
 namespace Flawless.Server.Controllers;
 
@@ -108,7 +109,7 @@ public class RepositoryInnieController(
     }
     
     [HttpGet("get_users")]
-    public async Task<IActionResult> GetUsersAsync(string repositoryName, QueryPagesRequest r)
+    public async Task<ActionResult<ListingResponse<RepoUserRole>>> GetUsersAsync(string repositoryName)
     {
         if (string.IsNullOrWhiteSpace(repositoryName) || repositoryName.Length <= 3)
             return BadRequest(new FailedResponse("Repository name is empty or too short!"));
@@ -122,17 +123,11 @@ public class RepositoryInnieController(
         
         if (rp == null) return BadRequest(new FailedResponse("Repository not found!"));
         
-        return Ok(new PagedResponse<RepoUserRole>
+        return Ok(new ListingResponse<RepoUserRole>(rp.Members.Select(pm => new RepoUserRole
         {
-            Length = r.Length,
-            Offset = r.Offset,
-            Total = rp.Members.Count,
-            Data = rp.Members.Select(pm => new RepoUserRole
-            {
-                Username = pm.User.UserName!,
-                Role = pm.Role
-            })
-        });
+            Username = pm.User.UserName!,
+            Role = pm.Role
+        }).ToArray()));
     }
 
     [HttpPost("update_user")]
@@ -230,6 +225,7 @@ public class RepositoryInnieController(
 
 
     [HttpGet("fetch_manifest")]
+    [ProducesResponseType<FileStreamResult>(200)]
     public async Task<IActionResult> DownloadManifestAsync(string userName, string repositoryName, [FromQuery] string commitId)
     {
         if (!Guid.TryParse(commitId, out var commitGuid)) return BadRequest(new FailedResponse("Invalid commit id"));
@@ -245,6 +241,7 @@ public class RepositoryInnieController(
 
 
     [HttpGet("fetch_depot")]
+    [ProducesResponseType<FileStreamResult>(200)]
     public async Task<IActionResult> DownloadDepotAsync(string userName, string repositoryName, [FromQuery] string depotId)
     {
         if (!Guid.TryParse(depotId, out var depotGuid)) return BadRequest(new FailedResponse("Invalid depot id"));
@@ -260,50 +257,49 @@ public class RepositoryInnieController(
     }
     
     [HttpGet("list_commit")]
-    public async Task<IActionResult> ListCommitsAsync(string userName, string repositoryName)
+    public async Task<ActionResult<ListingResponse<RepositoryCommitResponse>>> ListCommitsAsync(string userName, string repositoryName)
     {
         var user = (await userManager.GetUserAsync(HttpContext.User))!;
         var grantIssue = await ValidateRepositoryAsync(userName, repositoryName, user, RepositoryRole.Guest);
-        if (grantIssue is not Repository) return (IActionResult) grantIssue;
+        if (grantIssue is not Repository) return (ActionResult) grantIssue;
         
-        var commit = await dbContext.Repositories
+        var commit = dbContext.Repositories
             .Where(r => r.Owner.UserName == userName && r.Name == repositoryName)
             .SelectMany(r => r.Commits)
-            .Include(r => r.Author)
+            .Include(r => r.Author).Include(repositoryCommit => repositoryCommit.MainDepot)
             .OrderByDescending(r => r.CommittedOn)
-            .ToArrayAsync();
+            .AsAsyncEnumerable();
 
-        return Ok(new
-        {
-            Commits = commit
-        });
+        List<RepositoryCommitResponse> r = new();
+        await foreach (var cm in commit)
+            r.Add(new RepositoryCommitResponse(
+                cm.Id, cm.Author.UserName!, cm.CommittedOn, cm.Message, cm.MainDepot.DepotId));
+        
+        return Ok(new ListingResponse<RepositoryCommitResponse>(r.ToArray()));
     }
 
     [HttpGet("list_locked_files")]
-    public async Task<IActionResult> ListLocksAsync(string userName, string repositoryName)
+    public async Task<ActionResult<ListingResponse<LockFileInfo>>> ListLocksAsync(string userName, string repositoryName)
     {
         var user = (await userManager.GetUserAsync(HttpContext.User))!;
         var grantIssue = await ValidateRepositoryAsync(userName, repositoryName, user, RepositoryRole.Developer);
-        if (grantIssue is not Repository) return (IActionResult) grantIssue;
+        if (grantIssue is not Repository) return (ActionResult) grantIssue;
         
         var lockers = await dbContext.Repositories
             .Where(r => r.Owner.UserName == userName && r.Name == repositoryName)
             .SelectMany(r => r.Locked)
-            .Select(l => new { Path = l.Path, Owner = l.LockDownUser.UserName})
+            .Select(l => new LockFileInfo(l.Path, l.LockDownUser.UserName))
             .ToArrayAsync();
 
-        return Ok(new
-        {
-            Lockers = lockers
-        });
+        return Ok(new ListingResponse<LockFileInfo>(lockers));
     }
     
     [HttpGet("peek_commit")]
-    public async Task<IActionResult> PeekCommitAsync(string userName, string repositoryName)
+    public async Task<ActionResult<PeekResponse<Guid>>> PeekCommitAsync(string userName, string repositoryName)
     {
         var user = (await userManager.GetUserAsync(HttpContext.User))!;
         var grantIssue = await ValidateRepositoryAsync(userName, repositoryName, user, RepositoryRole.Guest);
-        if (grantIssue is not Repository rp) return (IActionResult) grantIssue;
+        if (grantIssue is not Repository rp) return (ActionResult) grantIssue;
         
         var commit = await dbContext.Repositories
             .Where(r => r.Owner.UserName == userName && r.Name == repositoryName)
@@ -312,10 +308,7 @@ public class RepositoryInnieController(
             .OrderByDescending(r => r.CommittedOn)
             .FirstOrDefaultAsync();
 
-        return Ok(new
-        {
-            Commit = commit?.Id.ToString() ?? string.Empty
-        });
+        return Ok(new PeekResponse<Guid>(commit?.Id ?? Guid.Empty));
     }
 
 
@@ -394,6 +387,7 @@ public class RepositoryInnieController(
     }
     
     [HttpPost("create_commit")]
+    [ProducesResponseType<CommitSuccessResponse>(200)]
     public async Task<IActionResult> CommitAsync(string userName, string repositoryName, [FromForm] FormCommitRequest req)
     {
         var user = (await userManager.GetUserAsync(HttpContext.User))!;
@@ -538,11 +532,7 @@ public class RepositoryInnieController(
             throw;
         }
 
-        return Ok(new
-        {
-            CreatedAt = commit.CommittedOn,
-            CommitId = commit.Id
-        });
+        return Ok(new CommitSuccessResponse(commit.CommittedOn, commit.Id));
     }
 
     private static async ValueTask StencilWorkspaceSnapshotAsync(Stream depotStream, HashSet<WorkspaceFile> unresolved)
diff --git a/Flawless.Server/Controllers/RepositoryOutieController.cs b/Flawless.Server/Controllers/RepositoryOutieController.cs
index eb425ac..fcf0f4d 100644
--- a/Flawless.Server/Controllers/RepositoryOutieController.cs
+++ b/Flawless.Server/Controllers/RepositoryOutieController.cs
@@ -14,34 +14,30 @@ namespace Flawless.Server.Controllers;
 [ApiController, Authorize, Route("api")]
 public class RepositoryOutieController(AppDbContext dbContext, UserManager<AppUser> userManager) : ControllerBase
 {
+    
     [HttpGet("repo_list")]
-    public async Task<IActionResult> ListAllAvailableRepositoriesAsync([FromQuery] QueryPagesRequest r)
+    public async Task<ActionResult<ListingResponse<RepositoryInfoResponse>>> ListAllAvailableRepositoriesAsync()
     {
         var u = (await userManager.GetUserAsync(HttpContext.User))!;
-        var query = await dbContext.Repositories
+        var query = dbContext.Repositories
             .Include(repository => repository.Owner)
             .Include(repository => repository.Commits)
             .Include(repository => repository.Members)
             .ThenInclude(repositoryMember => repositoryMember.User)
             .Where(rp => rp.Members.Any(m => m.User == u))
-            .Skip(r.Offset)
-            .Take(r.Length)
-            .ToArrayAsync();
+            .Select(rp => new RepositoryInfoResponse
+                {
+                    RepositoryName = rp.Name,
+                    OwnerUsername = rp.Owner.UserName!,
+                    LatestCommitId = rp.Commits.OrderByDescending(cm => cm.CommittedOn)
+                        .Select(cm => cm.Id).FirstOrDefault(),
+                    Description = rp.Description,
+                    IsArchived = rp.IsArchived,
+                    Role = rp.Members.First(m => m.User == u).Role
+                })
+            .ToArray();
 
-        return Ok(new PagedResponse<RepositoryInfoResponse>
-        {
-            Length = r.Length,
-            Offset = r.Offset,
-            Data = query.Select(rp => new RepositoryInfoResponse
-            {
-                RepositoryName = rp.Name,
-                OwnerUsername = rp.Owner.UserName!,
-                LatestCommitId = rp.Commits.OrderByDescending(cm => cm.CommittedOn).FirstOrDefault()?.Id ?? Guid.Empty,
-                Description = rp.Description,
-                IsArchived = rp.IsArchived,
-                Role = rp.Members.First(m => m.User == u).Role
-            }),
-        });
+        return Ok(new ListingResponse<RepositoryInfoResponse>(query));
     }
 
     [HttpPost("repo_create")]
diff --git a/Flawless.Server/Controllers/UserController.cs b/Flawless.Server/Controllers/UserController.cs
index 5dc08b2..2981f27 100644
--- a/Flawless.Server/Controllers/UserController.cs
+++ b/Flawless.Server/Controllers/UserController.cs
@@ -94,22 +94,15 @@ public class UserController(
     }
     
     [HttpGet("query_info")]
-    public async Task<ActionResult<PagedResponse<UserInfoResponse>>> GetUserInfoAsync(QueryPagesRequest r, [FromQuery] string keyword)
+    public async Task<ActionResult<ListingResponse<UserInfoResponse>>> QueryUserInfoAsync([FromQuery] string keyword)
     {
         var payload = await userManager.Users
             .Where(u => u.UserName!.Contains(keyword) || (u.NickName != null && u.NickName.Contains(keyword)))
-            .Skip(r.Offset)
-            .Take(r.Length)
             .Select(u => GetUserInfoInternal(u, null))
             .ToArrayAsync();
         
         // Return self as default
-        return Ok(new PagedResponse<UserInfoResponse>
-        {
-            Offset = r.Offset,
-            Length = r.Length,
-            Data = payload
-        });
+        return Ok(new ListingResponse<UserInfoResponse>(payload));
     }
 
     [HttpGet("delete")]
diff --git a/Flawless.Server/Flawless.Server.csproj b/Flawless.Server/Flawless.Server.csproj
index e5322e7..a8990ac 100644
--- a/Flawless.Server/Flawless.Server.csproj
+++ b/Flawless.Server/Flawless.Server.csproj
@@ -37,4 +37,8 @@
       <Compile Remove="Migrations\20250322194407_InitialCreate.Designer.cs" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="Exceptions\" />
+    </ItemGroup>
+
 </Project>
diff --git a/Flawless.Server/Middlewares/ExceptionTransformMiddleware.cs b/Flawless.Server/Middlewares/ExceptionTransformMiddleware.cs
index 6d26f2c..1f2ef19 100644
--- a/Flawless.Server/Middlewares/ExceptionTransformMiddleware.cs
+++ b/Flawless.Server/Middlewares/ExceptionTransformMiddleware.cs
@@ -6,7 +6,10 @@ public class ExceptionTransformMiddleware(RequestDelegate next)
 {
     public async Task InvokeAsync(HttpContext context)
     {
-        try { await next(context); }
+        try
+        {
+            await next(context);
+        }
         catch (Exception e)
         {
             context.Response.StatusCode = 500;