diff --git a/modules/docs/src/Volo.Docs.Application.Contracts/Volo/Docs/Documents/IDocumentAppService.cs b/modules/docs/src/Volo.Docs.Application.Contracts/Volo/Docs/Documents/IDocumentAppService.cs
index 63dcaccbb0..d47ff0dab6 100644
--- a/modules/docs/src/Volo.Docs.Application.Contracts/Volo/Docs/Documents/IDocumentAppService.cs
+++ b/modules/docs/src/Volo.Docs.Application.Contracts/Volo/Docs/Documents/IDocumentAppService.cs
@@ -1,7 +1,6 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Volo.Abp.Application.Services;
-using Volo.Docs.Projects;
 
 namespace Volo.Docs.Documents
 {
@@ -13,21 +12,18 @@ namespace Volo.Docs.Documents
             string version,
             bool normalize);
 
+        Task<DocumentWithDetailsDto> GetDefaultAsync(
+            string projectShortName,
+            string version,
+            bool normalize);
+
         Task<NavigationWithDetailsDto> GetNavigationDocumentAsync(
             string projectShortName, 
             string version,
             bool normalize);
 
         Task<List<VersionInfoDto>> GetVersions(
-            string projectShortName, 
-            string defaultDocumentName, 
-            string documentStoreType, 
-            string documentName);
-
-        Task<DocumentWithDetailsDto> GetDocument(
-            ProjectDto projectDto, 
-            string documentName, 
-            string version, 
-            bool normalize);
+            string projectShortName
+        );
     }
 }
\ No newline at end of file
diff --git a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/DocumentAppService.cs b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/DocumentAppService.cs
index d5d624cfe2..f640d023bc 100644
--- a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/DocumentAppService.cs
+++ b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/DocumentAppService.cs
@@ -25,64 +25,79 @@ namespace Volo.Docs.Documents
             _documentStoreFactory = documentStoreFactory;
         }
 
-        public async Task<DocumentWithDetailsDto> GetByNameAsync(string projectShortName, string documentName, string version, bool normalize)
+        public async Task<DocumentWithDetailsDto> GetByNameAsync(
+            string projectShortName, 
+            string documentName, 
+            string version, 
+            bool normalize)
         {
             var project = await _projectRepository.GetByShortNameAsync(projectShortName);
-
-            return await GetDocument(ObjectMapper.Map<Project, ProjectDto>(project), documentName, version, normalize);
+            return await GetDocumentWithDetailsDto(
+                project,
+                documentName,
+                version,
+                normalize
+            );
         }
 
-        public async Task<NavigationWithDetailsDto> GetNavigationDocumentAsync(string projectShortName, string version, bool normalize)
+        public async Task<DocumentWithDetailsDto> GetDefaultAsync(
+            string projectShortName, 
+            string version, 
+            bool normalize)
         {
             var project = await _projectRepository.GetByShortNameAsync(projectShortName);
-
-            return ObjectMapper.Map<DocumentWithDetailsDto, NavigationWithDetailsDto>(
-                await GetDocument(ObjectMapper.Map<Project, ProjectDto>(project), project.NavigationDocumentName,
-                    version, normalize));
+            return await GetDocumentWithDetailsDto(
+                project,
+                project.DefaultDocumentName,
+                version,
+                normalize
+            );
         }
 
-        public async Task<DocumentWithDetailsDto> GetDocument(ProjectDto projectDto, string documentName, string version, bool normalize)
+        public virtual async Task<NavigationWithDetailsDto> GetNavigationDocumentAsync(
+            string projectShortName, 
+            string version, 
+            bool normalize)
         {
-            if (projectDto == null)
-            {
-                throw new ArgumentNullException(nameof(projectDto));
-            }
-
-            var project = await _projectRepository.GetAsync(projectDto.Id);
-
-            if (string.IsNullOrWhiteSpace(documentName))
-            {
-                documentName = projectDto.DefaultDocumentName;
-            }
-
-            IDocumentStore documentStore = _documentStoreFactory.Create(projectDto.DocumentStoreType);
+            var project = await _projectRepository.GetByShortNameAsync(projectShortName);
+            var documentDto = await GetDocumentWithDetailsDto(
+                project,
+                project.NavigationDocumentName,
+                version,
+                normalize
+            );
+
+            return ObjectMapper.Map<DocumentWithDetailsDto, NavigationWithDetailsDto>(documentDto);
+        }
 
-            Document document = await documentStore.FindDocumentByNameAsync(project.ExtraProperties, projectDto.Format, documentName, version);
+        protected virtual async Task<DocumentWithDetailsDto> GetDocumentWithDetailsDto(
+            Project project, 
+            string documentName, 
+            string version, 
+            bool normalize)
+        {
+            var documentStore = _documentStoreFactory.Create(project.DocumentStoreType);
+            var document = await documentStore.Find(project, documentName, version);
 
             var dto = ObjectMapper.Map<Document, DocumentWithDetailsDto>(document);
-
-            dto.Project = projectDto;
+            dto.Project = ObjectMapper.Map<Project, ProjectDto>(project);
 
             return dto;
         }
 
-        public async Task<List<VersionInfoDto>> GetVersions(string projectShortName, string defaultDocumentName, 
-            string documentStoreType, string documentName)
+        public async Task<List<VersionInfoDto>> GetVersions(
+            string projectShortName
+            )
         {
             var project = await _projectRepository.GetByShortNameAsync(projectShortName);
 
-            if (string.IsNullOrWhiteSpace(documentName))
-            {
-                documentName = defaultDocumentName;
-            }
-
-            var documentStore = _documentStoreFactory.Create(documentStoreType);
+            var documentStore = _documentStoreFactory.Create(project.DocumentStoreType);
 
             var versions = await GetVersionsFromCache(projectShortName);
 
             if (versions == null)
             {
-                versions = await documentStore.GetVersions(project.ExtraProperties, documentName);
+                versions = await documentStore.GetVersions(project);
                 await SetVersionsToCache(projectShortName, versions);
             }
 
diff --git a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/GithubDocumentStore.cs b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/GithubDocumentStore.cs
index de48edd87e..488d60652d 100644
--- a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/GithubDocumentStore.cs
+++ b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/GithubDocumentStore.cs
@@ -21,11 +21,11 @@ namespace Volo.Docs.Documents
 
         public const int DocumentNotFoundExceptionCode = 20181001;
 
-        public async Task<Document> FindDocumentByNameAsync(Dictionary<string, object> projectExtraProperties, string projectFormat, string documentName, string version)
+        public async Task<Document> Find(Volo.Docs.Projects.Project project, string documentName, string version)
         {
-            var rootUrl = projectExtraProperties["GithubRootUrl"].ToString().Replace("_version_/", version + "/").Replace("www.", "");
+            var rootUrl = project.ExtraProperties["GithubRootUrl"].ToString().Replace("_version_/", version + "/").Replace("www.", "");
 
-            var token = projectExtraProperties["GithubAccessToken"]?.ToString();
+            var token = project.ExtraProperties["GithubAccessToken"]?.ToString();
 
             var rawRootUrl = rootUrl.Replace("github.com", "raw.githubusercontent.com").Replace("/tree/", "/");
             var rawUrl = rawRootUrl + documentName;
@@ -46,7 +46,7 @@ namespace Volo.Docs.Documents
                 EditLink = editLink,
                 RootUrl = rootUrl,
                 RawRootUrl = rawRootUrl,
-                Format = projectFormat,
+                Format = project.Format,
                 LocalDirectory = localDirectory,
                 FileName = fileName,
                 Version = version,
@@ -80,17 +80,17 @@ namespace Volo.Docs.Documents
             }
         }
 
-        public async Task<List<VersionInfoDto>> GetVersions(Dictionary<string, object> projectExtraProperties, string documentName)
+        public async Task<List<VersionInfoDto>> GetVersions(Volo.Docs.Projects.Project project)
         {
             try
             {
-                var token = projectExtraProperties["GithubAccessToken"]?.ToString();
+                var token = project.ExtraProperties["GithubAccessToken"]?.ToString();
 
                 var gitHubClient = token.IsNullOrWhiteSpace()
                     ? new GitHubClient(new ProductHeaderValue("AbpWebSite"))
                     : new GitHubClient(new ProductHeaderValue("AbpWebSite"), new InMemoryCredentialStore(new Credentials(token)));
 
-                var url = projectExtraProperties["GithubRootUrl"].ToString();
+                var url = project.ExtraProperties["GithubRootUrl"].ToString();
                 var releases = await gitHubClient.Repository.Release.GetAll(
                     GetGithubOrganizationNameFromUrl(url),
                     GetGithubRepositoryNameFromUrl(url)
diff --git a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/IDocumentStore.cs b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/IDocumentStore.cs
index 47039cd57a..7508e54eff 100644
--- a/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/IDocumentStore.cs
+++ b/modules/docs/src/Volo.Docs.Application/Volo/Docs/Documents/IDocumentStore.cs
@@ -1,14 +1,20 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Services;
+using Volo.Docs.Projects;
 
 namespace Volo.Docs.Documents
 {
     public interface IDocumentStore : IDomainService
     {
-        Task<Document> FindDocumentByNameAsync(Dictionary<string, object> projectExtraProperties, string projectFormat,
-            string documentName, string version);
+        Task<Document> Find(
+            Project project,
+            string documentName,
+            string version
+        );
 
-        Task<List<VersionInfoDto>> GetVersions(Dictionary<string, object> projectExtraProperties, string documentName);
+        Task<List<VersionInfoDto>> GetVersions(
+            Project project
+        );
     }
 }
\ No newline at end of file
diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
index 5f8c30f4a1..af530a62a9 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
@@ -87,10 +87,9 @@ namespace Volo.Docs.Pages.Documents.Project
 
         private async Task SetVersionAsync(ProjectDto project)
         {
-            Versions = (await _documentAppService
-                .GetVersions(project.ShortName, project.DefaultDocumentName,
-                    project.DocumentStoreType, DocumentNameWithExtension))
-                    .Select(v => new VersionInfo(v.DisplayName, v.Name)).ToList();
+            var versionInfoDtos = await _documentAppService.GetVersions(project.ShortName);
+
+            Versions = versionInfoDtos.Select(v => new VersionInfo(v.DisplayName, v.Name)).ToList();
 
             LatestVersionInfo = GetLatestVersion();
 
@@ -153,7 +152,15 @@ namespace Volo.Docs.Pages.Documents.Project
 
         private async Task SetDocumentAsync()
         {
-            Document = await _documentAppService.GetByNameAsync(ProjectName, DocumentNameWithExtension, Version, true);
+            if (DocumentNameWithExtension.IsNullOrWhiteSpace())
+            {
+                Document = await _documentAppService.GetDefaultAsync(ProjectName, Version, true);
+            }
+            else
+            {
+                Document = await _documentAppService.GetByNameAsync(ProjectName, DocumentNameWithExtension, Version, true);
+            }
+
             var converter = _documentConverterFactory.Create(Document.Format ?? ProjectFormat);
 
             var content = converter.NormalizeLinks(Document.Content, Document.Project.ShortName, GetSpecificVersionOrLatest(), Document.LocalDirectory);