diff --git a/routes/bot_manager.py b/routes/bot_manager.py
index 66229a6..aefa1b5 100644
--- a/routes/bot_manager.py
+++ b/routes/bot_manager.py
@@ -10,6 +10,7 @@ import secrets
 import os
 import shutil
 from datetime import datetime, timedelta
+from pathlib import Path
 from typing import Optional, List
 from fastapi import APIRouter, HTTPException, Header
 from pydantic import BaseModel
@@ -1803,6 +1804,23 @@ async def get_bot_settings(bot_uuid: str, authorization: Optional[str] = Header(
                 elif not dataset_ids:
                     dataset_ids = None
 
+            # 扫描 skills 需要的环境变量并合并到 shell_env
+            shell_env = settings.get('shell_env') or {}
+            skills_list = settings.get('skills')
+            if skills_list:
+                from utils.multi_project_manager import scan_skill_env_keys
+                # skills 可能是逗号分隔的字符串，需要拆分成列表
+                if isinstance(skills_list, str):
+                    skills_names = [s.strip() for s in skills_list.split(',') if s.strip()]
+                else:
+                    skills_names = skills_list
+                required_keys = scan_skill_env_keys(bot_uuid, skills_names, Path("projects"))
+                for key in required_keys:
+                    if key not in shell_env:
+                        shell_env[key] = ''
+                # 清理不在 skill 所需变量中且值为空的环境变量
+                shell_env = {k: v for k, v in shell_env.items() if v or k in required_keys}
+
             return BotSettingsResponse(
                 bot_id=str(bot_id),
                 name=bot_name,
@@ -1818,8 +1836,8 @@ async def get_bot_settings(bot_uuid: str, authorization: Optional[str] = Header(
                 enable_memori=settings.get('enable_memori', False),
                 enable_thinking=settings.get('enable_thinking', False),
                 tool_response=settings.get('tool_response', False),
-                skills=settings.get('skills'),
-                shell_env=settings.get('shell_env'),
+                skills=skills_list,
+                shell_env=shell_env,
                 is_published=is_published if is_published else False,
                 is_owner=is_owner,
                 copied_from=str(copied_from) if copied_from else None,
diff --git a/utils/multi_project_manager.py b/utils/multi_project_manager.py
index 885f7d3..100d443 100644
--- a/utils/multi_project_manager.py
+++ b/utils/multi_project_manager.py
@@ -4,6 +4,7 @@
 """
 
 import os
+import re
 import shutil
 import json
 import logging
@@ -426,3 +427,64 @@ def _extract_skills_to_robot(bot_id: str, skills: List[str], project_path: Path)
             logger.info(f"  Copied: {source_dir} -> {target_dir}")
         except Exception as e:
             logger.error(f"  Failed to copy {source_dir}: {e}")
+
+
+_COMMON_ENV_KEYS = frozenset({
+    'TMPDIR', 'PATH', 'HOME', 'USER', 'SHELL', 'LANG', 'TERM',
+    'PWD', 'OLDPWD', 'NODE_ENV',
+})
+
+_ENV_PATTERNS = [
+    re.compile(r'process\.env\.(\w+)'),
+    re.compile(r'os\.getenv\([\'"](\w+)'),
+    re.compile(r'os\.environ\.get\([\'"](\w+)'),
+    re.compile(r'os\.environ\[[\'"](\w+)'),
+]
+
+_SCAN_EXTENSIONS = {'.js', '.py', '.ts', '.sh', '.md', '.jsx', '.tsx', '.mjs', '.cjs'}
+
+
+def scan_skill_env_keys(bot_id: str, skills: List[str], project_path: Path) -> set:
+    """
+    扫描 skills 目录下所有文件，提取引用的环境变量 KEY。
+
+    Args:
+        bot_id: 机器人 ID
+        skills: 技能名称列表
+        project_path: 项目路径（如 Path("projects")）
+
+    Returns:
+        set: 环境变量 KEY 集合（排除通用变量）
+    """
+    skills_source_dirs = [
+        project_path / "uploads" / bot_id / "skills",
+        Path("skills"),
+    ]
+
+    env_keys = set()
+
+    for skill in skills:
+        source_dir = None
+        for base_dir in skills_source_dirs:
+            candidate = base_dir / skill
+            if candidate.exists():
+                source_dir = candidate
+                break
+
+        if source_dir is None or not source_dir.exists():
+            continue
+
+        for file_path in source_dir.rglob('*'):
+            if not file_path.is_file():
+                continue
+            if file_path.suffix.lower() not in _SCAN_EXTENSIONS:
+                continue
+            try:
+                content = file_path.read_text(encoding='utf-8', errors='ignore')
+            except Exception:
+                continue
+            for pattern in _ENV_PATTERNS:
+                env_keys.update(pattern.findall(content))
+
+    env_keys -= _COMMON_ENV_KEYS
+    return env_keys