diff --git a/src/main/java/net/geedge/asw/module/app/service/impl/GitServiceImpl.java b/src/main/java/net/geedge/asw/module/app/service/impl/GitServiceImpl.java
index f891411..c6c93a1 100644
--- a/src/main/java/net/geedge/asw/module/app/service/impl/GitServiceImpl.java
+++ b/src/main/java/net/geedge/asw/module/app/service/impl/GitServiceImpl.java
@@ -126,11 +126,17 @@ public class GitServiceImpl implements IGitService {
 
         File repoDir = this.getRepoDirPath(workspaceId);
         try (Git git = this.getGitInstance(repoDir)) {
-//            List<Ref> call = git.branchList().setListMode(ListBranchCommand.ListMode.ALL).call();
+            Repository repository = git.getRepository();
+            String fullBranch = repository.getFullBranch();
+
+            String defaultBranch = "main";
+            if (fullBranch != null && fullBranch.startsWith(LOCAL_BRANCH_PREFIX)) {
+                defaultBranch = fullBranch.substring(LOCAL_BRANCH_PREFIX.length());
+            }
 
             // 默认行为，进查询本地分支
             List<Ref> call = git.branchList().call();
-            RevWalk revCommits = new RevWalk(git.getRepository());
+            RevWalk revCommits = new RevWalk(repository);
 
             for (Ref ref : call) {
                 String branchName = ref.getName();
@@ -144,6 +150,7 @@ public class GitServiceImpl implements IGitService {
 
                 Map<Object, Object> m = T.MapUtil.builder()
                         .put("name", branchName)
+                        .put("default", T.StrUtil.equals(defaultBranch, branchName))
                         .build();
 
                 RevCommit commit = revCommits.parseCommit(ref.getObjectId());