diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/DefaultChangedProjectFinder.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/DefaultChangedProjectFinder.cs
index 1152784e59..996d49a285 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/DefaultChangedProjectFinder.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/DefaultChangedProjectFinder.cs
@@ -118,7 +118,7 @@ namespace Volo.Abp.Cli.Build
         {
             if (forceBuild || repositoryBuildStatus == null || repositoryBuildStatus.CommitId.IsNullOrEmpty())
             {
-                AddAllCsProjFiles(repository, changedProjectList);
+                AddAllCsProjFiles(repository, changedProjectList, repositoryBuildStatus);
             }
             else
             {
@@ -145,7 +145,10 @@ namespace Volo.Abp.Cli.Build
             }
         }
 
-        private void AddAllCsProjFiles(GitRepository repository, List<DotNetProjectInfo> changedFiles)
+        private void AddAllCsProjFiles(
+            GitRepository repository, 
+            List<DotNetProjectInfo> changedFiles,
+            GitRepositoryBuildStatus status)
         {
             var allCsProjFiles = Directory.GetFiles(
                 repository.RootPath,
@@ -161,8 +164,21 @@ namespace Volo.Abp.Cli.Build
                     .ToList();
             }
 
+            // Filter already built files.
+            // TODO: create a class for repository extensions like getting last commitId
+            var lastCommitId = string.Empty;
+            using (var repo = new Repository(string.Concat(repository.RootPath, @"\.git")))
+            {
+                lastCommitId = repo.Head.Tip.Id.ToString();
+            }
+
             foreach (var file in allCsProjFiles)
             {
+                if (status.GetSelfOrChild(repository.Name).SucceedProjects.Any(e=> e.CsProjPath == file))
+                {
+                    continue;
+                }
+                
                 changedFiles.Add(
                     new DotNetProjectInfo(repository.Name, Path.Combine(repository.RootPath, file))
                 );
diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/GitRepositoryBuildStatus.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/GitRepositoryBuildStatus.cs
index eee96395b1..96e88f935b 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/GitRepositoryBuildStatus.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Build/GitRepositoryBuildStatus.cs
@@ -38,6 +38,16 @@ namespace Volo.Abp.Cli.Build
             DependingRepositories = new List<GitRepositoryBuildStatus>();
         }
 
+        public GitRepositoryBuildStatus GetSelfOrChild(string repositoryName)
+        {
+            if (RepositoryName == repositoryName)
+            {
+                return this;
+            }
+
+            return GetChild(repositoryName);
+        }
+        
         public GitRepositoryBuildStatus GetChild(string repositoryName)
         {
             foreach (var dependingRepository in DependingRepositories)
diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/BuildCommand.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/BuildCommand.cs
index 8b72775271..4792129742 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/BuildCommand.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/BuildCommand.cs
@@ -73,7 +73,7 @@ namespace Volo.Abp.Cli.Commands
                 string.IsNullOrEmpty(maxParallelBuild) ? 1 : Convert.ToInt32(maxParallelBuild),
                 dotnetBuildArguments ?? ""
             );
-
+            
             var buildStatus = BuildStatusGenerator.Generate(
                 buildConfig.GitRepository,
                 changedProjectFiles,