diff --git a/buildin/agents/english-teacher/agent.cfg b/buildin/agents/english-teacher/agent.cfg
new file mode 100644
index 0000000..e69de29
diff --git a/doc/mvp/pkg_system_demo/projectA/.pkg/pkg_nameB.zip b/doc/mvp/pkg_system_demo/projectA/.pkg/pkg_nameB.zip
new file mode 100644
index 0000000..15cb0ec
Binary files /dev/null and b/doc/mvp/pkg_system_demo/projectA/.pkg/pkg_nameB.zip differ
diff --git a/doc/mvp/pkg_system_demo/projectA/pkg.cfg.toml b/doc/mvp/pkg_system_demo/projectA/pkg.cfg.toml
new file mode 100644
index 0000000..e69de29
diff --git a/doc/mvp/pkg_system_demo/projectA/pkg.lock b/doc/mvp/pkg_system_demo/projectA/pkg.lock
new file mode 100644
index 0000000..e69de29
diff --git a/doc/mvp/pkg_system_demo/projectA/pkg_index.toml b/doc/mvp/pkg_system_demo/projectA/pkg_index.toml
new file mode 100644
index 0000000..e69de29
diff --git a/src/component/agent_manager/__init__.py b/src/component/agent_manager/__init__.py
new file mode 100644
index 0000000..863c4d1
--- /dev/null
+++ b/src/component/agent_manager/__init__.py
@@ -0,0 +1,3 @@
+from .agent_manager import agent_manager,agent_manager_client
+from .agent import ai_agent
+from .templete import ai_agent_templete
\ No newline at end of file
diff --git a/src/component/agent_manager/agent.py b/src/component/agent_manager/agent.py
new file mode 100644
index 0000000..26f8b71
--- /dev/null
+++ b/src/component/agent_manager/agent.py
@@ -0,0 +1,3 @@
+class ai_agent:
+    def __init__(self) -> None:
+        pass
\ No newline at end of file
diff --git a/src/component/agent_manager/agent_manager.py b/src/component/agent_manager/agent_manager.py
new file mode 100644
index 0000000..d837175
--- /dev/null
+++ b/src/component/agent_manager/agent_manager.py
@@ -0,0 +1,40 @@
+
+from .agent import ai_agent
+from .templete import ai_agent_templete
+
+class agent_manager:
+    _instance = None
+
+    def __init__(self) -> None:
+        pass
+   
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(agent_manager, cls).__new__(cls)
+        return cls._instance
+    
+
+    def initial(self,root_dir:str) -> None:
+        pass
+    
+  
+    def get(self,agent_id) -> ai_agent:
+        pass
+
+
+    def get_templete(self,templete_id) -> ai_agent_templete:
+        pass
+
+    def install(self,templete_id) -> int:
+        
+        installer = None
+        #installer.install(templete_id)
+        pass
+
+    def create(self,template,agent_name,agent_last_name,agent_introduce) -> ai_agent:
+        pass
+
+
+class agent_manager_client:
+    def __init__(self) -> None:
+        pass
\ No newline at end of file
diff --git a/src/component/agent_manager/templete.py b/src/component/agent_manager/templete.py
new file mode 100644
index 0000000..87540bf
--- /dev/null
+++ b/src/component/agent_manager/templete.py
@@ -0,0 +1,3 @@
+class ai_agent_templete:
+    def __init__(self) -> None:
+        pass
\ No newline at end of file
diff --git a/src/component/ndn_client/__init__.py b/src/component/ndn_client/__init__.py
new file mode 100644
index 0000000..6b4585c
--- /dev/null
+++ b/src/component/ndn_client/__init__.py
@@ -0,0 +1 @@
+from .cid import content_id
\ No newline at end of file
diff --git a/src/component/ndn_client/cid.py b/src/component/ndn_client/cid.py
new file mode 100644
index 0000000..981df3b
--- /dev/null
+++ b/src/component/ndn_client/cid.py
@@ -0,0 +1,8 @@
+
+
+class content_id:
+    def __init__(self) -> None:
+        pass
+
+    def create_from_str(cid_str:str):
+        pass
\ No newline at end of file
diff --git a/src/component/package_manager/__init__.py b/src/component/package_manager/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/component/package_manager/env.py b/src/component/package_manager/env.py
new file mode 100644
index 0000000..a5a463b
--- /dev/null
+++ b/src/component/package_manager/env.py
@@ -0,0 +1,124 @@
+
+import logging
+import toml
+
+from .pkg import pkg_info,pkg_media_info 
+from .installer import pkg_installer
+
+logger = logging.getLogger(__name__)
+
+#pkg_env_mgr,以cfg_path为key管理多个pkg_env,是个单件
+class pkg_env_mgr:
+    _instance = None
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(pkg_env_mgr, cls).__new__(cls)
+        return cls._instance
+    
+    def __init__(self) -> None:
+        self._pkg_envs = {}
+        pass
+
+    def get_env(self,cfg_path:str) -> pkg_env:
+        if cfg_path in self._pkg_envs:
+            return self._pkg_envs[cfg_path]
+        else:
+            pkg_env = pkg_env(cfg_path)
+            self._pkg_envs[cfg_path] = pkg_env
+            return pkg_env
+
+    def get_user_env(self) -> pkg_env:
+        pass
+
+    def get_system_env(self) -> pkg_env:
+        pass
+
+class pkg_env:
+    def __init__(self,cfg_path:str,inheritance = True) -> None:
+        self.prefixs : list[str]= []
+        self.is_strict : bool = True
+        self.parent_envs : list[pkg_env] = [pkg_env_mgr().get_user_env()]
+        self.index_dbs = None
+
+        self.cfg_path = cfg_path
+        self._load_pkg_cfg(cfg_path)
+        pass
+
+    def load(self,pkg_name:str,cid:None) -> pkg_media_info:
+        if cid is None:
+            #lookup pkg's cid from indexDb
+            pkg_id,verion_str,cid = pkg_info.parse_pkg_name(pkg_name)
+            if cid is None:
+                #lookup include pkg-index-db search
+                pkg_info = self.lookup(pkg_id,verion_str)
+                if pkg_info is not None:
+                    return self.load(pkg_id,pkg_info.cid)
+                
+                if self.is_strict is False:
+                    #load pkg not in index-db, easy for debug
+                    for prefix in self.prefixs:
+                        fullpath = prefix + pkg_name
+                        logger.debug("try load {pkg_name} at {fullpath} ...")
+                        if pkg_env.is_valied_media(fullpath):
+                            return self.load_pkg_media_info(fullpath)
+                        
+                logger.warn(f"load {pkg_name} failed: pkg not found in index-db and pkg_dirs")
+                return None
+            else:
+                #got cid here~
+                return self.load(pkg_id,cid)
+        else:
+            #search pkg_id#cid and load pkg_media_info
+            for prefix in self.prefixs:
+                fullpath =f"{prefix}{pkg_id}#{cid}"
+                logger.debug(f"try load {pkg_name} from {fullpath}")
+                if pkg_env.is_valied_media(fullpath):
+                    media_info = self.load_pkg_media_info(fullpath)
+                    return media_info
+            
+            logger.warn(f"load {pkg_id}#{cid} error,not found")
+    
+
+    def get_pkg_media_info(self,pkg_name:str)->pkg_media_info:
+        pass
+
+    def load_pkg_media_info(self,pkg_full_path:str) -> pkg_media_info:
+        pass
+    
+
+    def lookup(self,pkg_id:str,version_str:str) -> pkg_info:
+        
+        pass
+
+    def get_installer(self) -> pkg_installer:
+        pass
+
+    @classmethod    
+    def is_valied_media(pkg_full_path:str) -> bool:
+        pass
+
+
+    def _load_pkg_cfg(self,cfg_path:str):
+        if cfg_path is None:
+            return
+        
+        cfg = None
+        if len(cfg_path) < 1:
+            return
+        try:
+            cfg = toml.load(cfg_path)
+        except Exception as e:
+            logger.error(f"read pkg cfg from {cfg_path} failed! unexpected error occurred: {str(e)}")
+            return
+        
+        if cfg:
+            if cfg.env:
+                if cfg.env.is_strict is not None:
+                    self.is_strict = cfg.env.is_strict
+                
+                if cfg.env.prefixs is not None:
+                    self.prefixs = self._preprocess_prefixs(cfg.env.prefixs)
+    
+   
+    def _preprocess_prefixs(self,prefixs):
+        pass
\ No newline at end of file
diff --git a/src/component/package_manager/index_db.py b/src/component/package_manager/index_db.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/component/package_manager/index_syncer.py b/src/component/package_manager/index_syncer.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/component/package_manager/index_syncer.py
@@ -0,0 +1 @@
+
diff --git a/src/component/package_manager/installer.py b/src/component/package_manager/installer.py
new file mode 100644
index 0000000..83ed220
--- /dev/null
+++ b/src/component/package_manager/installer.py
@@ -0,0 +1,102 @@
+# installer download pkg by cid, than install it to target dir
+import logging
+import asyncio
+import aiohttp
+import aiofiles
+
+from threading import RLock
+
+from ndn_client import content_id
+from .pkg import pkg_info
+from .env import pkg_env
+
+logger = logging.getLogger(__name__)
+
+INSTALL_TASK_STATE_DONE = 0
+INSTALL_TASK_STATE_CHECK_DEPENDENCY = 1
+INSTALL_TASK_STATE_INSTALL_DEPENDENCY = 2
+INSTALL_TASK_STATE_DOWNLOADING = 3
+INSTALL_TASK_STATE_INSTALLING = 4
+INSTALL_TAKS_STATE_ERROR = 5
+
+class install_task:
+    def __init__(self,owner:pkg_env) -> None:
+        self.owner = owner
+        self.state = INSTALL_TASK_STATE_CHECK_DEPENDENCY
+        self.working_task = None
+        self.error_str = None
+
+
+
+class pkg_installer:
+    def __init__(self,owner_env:pkg_env) -> None:
+        self.all_tasks = {}
+        self.owner_env = owner_env
+    
+    def install(self,pkg_name:str,
+                install_from_dependency = False, can_upgrade = True,options = None)->Tuple[install_task,str]:
+        media_info = self.owner_env.get_media_info(pkg_name)
+        is_upgrade = False
+        if media_info is not None:
+            is_upgrade = True
+            if can_upgrade is False:
+                error_str = f"pkg:{pkg_name} already installed and can't upgrade"
+                logger.error(error_str)
+                return None,error_str
+        
+        pkg_id,version_str,content_id = pkg_info.parse_pkg_name(pkg_name)
+
+        the_pkg_info = self.owner_env.lookup(pkg_id,version_str,content_id)
+        if the_pkg_info is None:
+            error_str = f"pkg:{pkg_name} ,content_id:{content_id} not found in index db"
+            logger.error(error_str)
+            return None,error_str
+        
+        result_task = self.all_tasks.get(the_pkg_info.cid)
+        if result_task is not None:
+            return result_task,None
+
+        result_task = install_task()
+        self.all_tasks[the_pkg_info.cid] = result_task
+        async def install_pkg():
+            # check dependency
+            if await self.check_dependency(the_pkg_info) is False:
+                error_str = f"pkg:{pkg_name} check dependency failed"
+                logger.error(error_str)
+                result_task.error_str = error_str
+                result_task.state = INSTALL_TAKS_STATE_ERROR
+                return
+            
+            # install dependency
+            result_task.state = INSTALL_TASK_STATE_INSTALL_DEPENDENCY
+            for depend_pkg_name in the_pkg_info.depends:
+                # TODO：这里可能需要用安装队列，直接等待安装完成可能会太慢，也可能会导致循环等待
+                sub_task,err_str = self.install(depend_pkg_name,True,can_upgrade,options)
+                
+
+        result_task.working_task = asyncio.create_task(install_pkg())
+        return result_task,None
+
+        
+    def uninstall(self):
+        pass
+
+    async def check_dependency(self,pkg:pkg_info) -> bool:
+        #TODO:这里可能会有循环依赖导致的递归无法退出的问题，需要记录已经检查过的pkg
+        for depend_pkg_name in pkg.depends:
+            depend_pkg_info = self.owner_env.lookup(depend_pkg_name)
+            if depend_pkg_info is None:
+                logger.warn(f"{pkg.name}'s depend pkg {depend_pkg_name} not found in index db")
+                return False
+            
+            if await self.check_dependency(depend_pkg_info) is False:
+                return False
+    
+        return True
+        
+        
+
+        
+        
+
+
diff --git a/src/component/package_manager/media_reader.py b/src/component/package_manager/media_reader.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/component/package_manager/pkg.py b/src/component/package_manager/pkg.py
new file mode 100644
index 0000000..abaeb25
--- /dev/null
+++ b/src/component/package_manager/pkg.py
@@ -0,0 +1,22 @@
+
+class pkg_info:
+    def __init__(self) -> None:
+        self.name = ""
+        self.cid = None
+        self.depends : list[str] = None
+        pass
+    
+    def parse_pkg_name(pkg_name:str) -> Tuple[str, str, str]:
+        #return pkg_id,version_str,cid
+        pass
+    
+    @property
+    def cid(self) -> str:
+        return self.cid
+
+class pkg_media_info:
+    def __init__(self) -> None:
+        pass
+
+
+
diff --git a/test/agent_test.py b/test/agent_test.py
new file mode 100644
index 0000000..e0fd3e3
--- /dev/null
+++ b/test/agent_test.py
@@ -0,0 +1,35 @@
+import sys
+sys.path.append('../src/component/')
+
+from agent_manager import agent_manager
+
+def clean_agent():
+    print("clean_agent")
+    
+def clean_agent_templete():
+    print("clean_agent_templte")
+
+def test_agent():
+    am = agent_manager()
+    am.initial("root_dir")
+    agent = am.get("english_teacher")
+    if agent is None:
+        agent_templete = am.get_templete("english_teacher")
+        
+        if agent_templete is None :
+            op = am.install("english_teacher")
+            #wait install done
+        
+        agent = am.create(agent_templete,"Tracy","Wang","Tracy Wang is my english teacher")
+    
+    print("Agent Tracy Wang load success!");
+
+    #print(agent.get_introduce());
+
+    #chat_session = agent.get_default_chat_session("master");
+    #chat_session.chat("给我讲一个英文笑话!");
+    #chat_session.wait_response();
+    #print(chat_session.last_msg());
+
+if __name__ == "__main__":
+    test_agent()
\ No newline at end of file
diff --git a/test/pkg.cfg.toml b/test/pkg.cfg.toml
new file mode 100644
index 0000000..46acf0a
--- /dev/null
+++ b/test/pkg.cfg.toml
@@ -0,0 +1,15 @@
+
+[authors]
+"buckyos.org" = {public="aaaa",name="BuckyOS Core Dev Team"}
+[authors."cyfs.com"]  
+public="bbbb"
+name="CYFS Core Dev Team"
+
+[env]
+is_strict = false
+prefixs = ["default","../m/s","abc"]
+obj2 = {k1="bb",k2=300}
+[env.obj]
+k1="aa"
+k2=200
+
diff --git a/test/spider_test.py b/test/spider_test.py
new file mode 100644
index 0000000..296f382
--- /dev/null
+++ b/test/spider_test.py
@@ -0,0 +1,23 @@
+
+
+def test_main():
+    sm = service_manager()
+    
+    knownlege_base_service =  sm.get('knowlege_base')
+    knownlege_base_service.start()
+
+    email_spider = sm.get('email_spider')
+    email_spider.start()
+
+    doc_embeding_service = sm.get('doc_embeding_service')
+    doc_embeding_service.start()
+
+    ia = agents_manager().get("ai_info_assistor")
+    chat_session = ia.get_default_chat_session("master");
+    chat_session.chat("Who responded to my issue last week");
+    chat_session.wait_response();
+    #print(chat_session.last_msg());
+    
+if __name__ == '__main__':
+    test_main()
+    
\ No newline at end of file