diff --git a/scripts/project_init.py b/scripts/project_init.py
index 0ab37fa..27bafb3 100644
--- a/scripts/project_init.py
+++ b/scripts/project_init.py
@@ -34,11 +34,16 @@ class ProjectInit(Task):
             repo.git.fetch(remote_name)
 
             if repo.active_branch.name != branch_name:
-                # 2. 创建本地分支并跟踪远程分支
-                remote_branch_ref = f"{remote_name}/{branch_name}"
-                local_branch = repo.create_head(branch_name, remote_branch_ref)  # 创建本地分支指向远程
-                local_branch.set_tracking_branch(repo.remotes[remote_name].refs[branch_name])  # 设置跟踪
-                local_branch.checkout()  # 切换到该分支
+                # 检查本地是否已存在该分支
+                if branch_name in repo.heads:
+                    # 本地分支已存在，直接切换
+                    repo.heads[branch_name].checkout()
+                else:
+                    # 2. 创建本地分支并跟踪远程分支
+                    remote_branch_ref = f"{remote_name}/{branch_name}"
+                    local_branch = repo.create_head(branch_name, remote_branch_ref)  # 创建本地分支指向远程
+                    local_branch.set_tracking_branch(repo.remotes[remote_name].refs[branch_name])  # 设置跟踪
+                    local_branch.checkout()  # 切换到该分支
 
             self.context.local_repo_branch = repo.active_branch.name
             self.context.local_repo_commit = repo.head.commit.hexsha[:10]