diff --git a/wwwroot/api/cockpit_chat.dspy b/wwwroot/api/cockpit_chat.dspy
index 385ac21..2e142be 100644
--- a/wwwroot/api/cockpit_chat.dspy
+++ b/wwwroot/api/cockpit_chat.dspy
@@ -878,29 +878,60 @@ if action == 'send_message':
         elif intent_type == 'devops':
             # 从自然语言中提取实际命令：剥前缀 + 识别 git URL 自动构造 git clone
             cmd = message_text.strip()
-            import re
+            import re, os
             cmd = re.sub(r'^(执行命令[：:]|运行[：:]|帮我\s*|克隆仓库\s*|从.*克隆\s*)', '', cmd).strip()
             # 如果包含 git@ 或 https://...git 但没有 git clone 前缀，自动补全
+            repo_url = None
+            repo_target = None
             if re.search(r'(git@[\w.]+:[\w./-]+\.git|https?://[\w./-]+\.git)', cmd):
                 if not cmd.startswith('git '):
-                    # 提取 URL 和可选目标路径
                     m = re.search(r'(git@[\w.]+:[\w./-]+\.git|https?://[\w./-]+\.git)', cmd)
                     repo_url = m.group(0)
                     rest = cmd[m.end():].strip()
                     target = rest.split()[0] if rest else ''
                     if target and not target.startswith('-'):
+                        repo_target = target
                         cmd = f'git clone {repo_url} {target}'
                     else:
+                        repo_target = repo_url.rstrip('/').split('/')[-1].replace('.git', '')
                         cmd = f'git clone {repo_url}'
             # 特殊处理：包含"到本地""到工作区"→只保留 git clone url
             cmd = re.sub(r'(\s+(到本地|到工作区|到workspace).*)', '', cmd).strip()
             workdir = ctx.get('workspace_dir', '') or '/d/pipeline/workspaces'
             result = await shell_exec(cmd, workdir=workdir, timeout=120 if 'git clone' in cmd else 60)
+            # git clone already exists → git pull
+            if result['rc'] != 0 and 'already exists' in result.get('stderr', '') and repo_target and cmd.startswith('git clone'):
+                pull_dir = os.path.join(workdir, repo_target) if not os.path.isabs(repo_target) else repo_target
+                debug(f'devops: clone already exists, pulling {pull_dir}')
+                result = await shell_exec(f'git -C {pull_dir} pull', workdir=workdir, timeout=60)
             if result['rc'] == 0:
                 out = result['stdout'].strip()
                 agent_reply = f"执行成功。{'输出：' + out[:500] if out else '(无输出)'}"
             else:
                 agent_reply = f"执行失败（rc={result['rc']}）：{result['stderr'][:500] or result['stdout'][:500]}"
+            # 多步任务：如果 git clone 成功且消息中含有"技能""skill""安装"，自动触发 skill_import
+            if result['rc'] == 0 and repo_target and re.search(r'(技能|skill|安装技能|导入技能)', message_text):
+                clone_dir = os.path.join(workdir, repo_target) if not os.path.isabs(repo_target) else repo_target
+                if os.path.isdir(clone_dir):
+                    try:
+                        import_result = await skill_import_git('', skills_dir='skills')
+                        # skill_import_git 的 repo_url 为空时不 clone，改用已有目录
+                        from pipeline_service.init import _resolve_workdir
+                        full_skills = os.path.join(clone_dir, 'skills')
+                        if os.path.isdir(full_skills):
+                            found = []
+                            for entry in sorted(os.listdir(full_skills)):
+                                entry_path = os.path.join(full_skills, entry)
+                                if os.path.isdir(entry_path):
+                                    found.append(entry)
+                            if found:
+                                agent_reply += f'\n\n✅ 发现 {len(found)} 个技能：' + ', '.join(found[:15])
+                            else:
+                                agent_reply += '\n\n⚠️ skills 目录下未找到技能子目录'
+                        else:
+                            agent_reply += '\n\n⚠️ 仓库中无 skills 目录'
+                    except Exception as e2:
+                        debug(f'skill scan error: {e2}')
         else:
             # chat: general conversation
             messages = await _build_context(sor, iteration_id or ctx['iteration_id'], '',