diff --git a/app.py b/app.py
index 5e99dc3f..3dccd20c 100644
--- a/app.py
+++ b/app.py
@@ -9,5 +9,9 @@ app.config['DEBUG'] = True
 # init flask api instance
 api = Api(app)
 
+# reference api routes
+import routes.task
+import routes.spider
+
 # start flask app
 app.run()
diff --git a/config/db.py b/config/db.py
index f66752bf..ff628e95 100644
--- a/config/db.py
+++ b/config/db.py
@@ -1,6 +1,6 @@
 # 数据库
 MONGO_HOST = 'localhost'
-MONGO_PORT = '27017'
+MONGO_PORT = 27017
 # MONGO_USER = 'test'
 # MONGO_PASS = 'test'
 MONGO_DB = 'crawlab_test'
diff --git a/db/manager.py b/db/manager.py
index dccb4619..906fb5ed 100644
--- a/db/manager.py
+++ b/db/manager.py
@@ -1,3 +1,4 @@
+from bson import ObjectId
 from pymongo import MongoClient
 from config.db import MONGO_HOST, MONGO_PORT, MONGO_DB
 
@@ -7,7 +8,6 @@ class DbManager(object):
         self.mongo = MongoClient(host=MONGO_HOST, port=MONGO_PORT)
         self.db = self.mongo[MONGO_DB]
 
-    # TODO: CRUD
     def save(self, col_name: str, item, **kwargs):
         col = self.db[col_name]
         col.save(item, **kwargs)
@@ -20,12 +20,24 @@ class DbManager(object):
         col = self.db[col_name]
         col.update(cond, {'$set': values}, **kwargs)
 
-    def list(self, col_name: str, cond: dict, skip: int, limit: int, **kwargs):
-        if kwargs.get('page') is not None:
-            try:
-                page = int(kwargs.get('page'))
-                skip = page * limit
-            except Exception as err:
-                pass
-        # TODO: list logic
-        # TODO: pagination
+    def update_one(self, col_name: str, id: str, values: dict, **kwargs):
+        col = self.db[col_name]
+        col.find_one_and_update({'_id': ObjectId(id)}, {'$set': values})
+
+    def list(self, col_name: str, cond: dict, skip: int = 0, limit: int = 10, **kwargs):
+        col = self.db[col_name]
+        data = []
+        for item in col.find(cond).skip(skip).limit(limit):
+            data.append(item)
+        return data
+
+    def get(self, col_name: str, id: str):
+        col = self.db[col_name]
+        return col.find_one({'_id': ObjectId(id)})
+
+    def count(self, col_name: str, cond):
+        col = self.db[col_name]
+        return col.count(cond)
+
+
+db_manager = DbManager()
diff --git a/route.py b/route.py
index 12aedf7a..e8020ab1 100644
--- a/route.py
+++ b/route.py
@@ -1,4 +1,4 @@
-from app import api
-from api.spider import SpiderApi, SpiderExecutorApi
+# from app import api
+# from api.spider import SpiderApi, SpiderExecutorApi
 
-api.add_resource(SpiderExecutorApi, '/spider')
+# api.add_resource(SpiderExecutorApi, '/spider')
diff --git a/routes/__init__.py b/routes/__init__.py
index f0f71b0d..480b415e 100644
--- a/routes/__init__.py
+++ b/routes/__init__.py
@@ -1,5 +1,7 @@
-from app import app
+# print('routes')
 
+from routes import spider
+from routes import task
+
+print('routes')
 
-# api.add_resource(SpiderApi, '/spider')
-# print(SpiderExecutorApi)
diff --git a/routes/base.py b/routes/base.py
new file mode 100644
index 00000000..c4e315af
--- /dev/null
+++ b/routes/base.py
@@ -0,0 +1,42 @@
+import json
+
+from celery.utils.log import get_logger
+from flask_restful import reqparse, Resource
+
+from app import api
+from db.manager import db_manager
+
+logger = get_logger('tasks')
+parser = reqparse.RequestParser()
+parser.add_argument('task_name', type=str)
+
+# collection name
+COL_NAME = 'test'
+
+
+class BaseApi(Resource):
+    col_name = 'base'
+
+    def get(self, id=None):
+        args = parser.parse_args()
+        cond = {}
+        if args.filter is not None:
+            cond = json.loads(args.filter)
+        if id is None:
+            return db_manager.list(col_name=self.col_name, cond=cond, page=args.page, page_size=args.page_size)
+        else:
+            return db_manager.get(col_name=self.col_name, id=id)
+
+    def list(self):
+        args = parser.parse_args()
+        cond = {}
+        if args.filter is not None:
+            cond = json.loads(args.filter)
+        return db_manager.list(col_name=self.col_name, cond=cond, page=args.page, page_size=args.page_size)
+
+    def update(self, id=None):
+        pass
+
+    def remove(self, id=None):
+        pass
+
diff --git a/routes/spider.py b/routes/spider.py
index fbd0c10a..d5041b61 100644
--- a/routes/spider.py
+++ b/routes/spider.py
@@ -1,18 +1,50 @@
-from celery.utils.log import get_logger
+import json
+# from celery.utils.log import get_logger
 from flask_restful import reqparse, Resource
+
+from app import api
+from db.manager import db_manager
 from tasks.spider import execute_spider
 
-logger = get_logger('tasks')
+# logger = get_logger('tasks')
 parser = reqparse.RequestParser()
 parser.add_argument('spider_name', type=str)
 
+# collection name
+COL_NAME = 'spiders'
+
 
 class SpiderApi(Resource):
-    pass
+    col_name = COL_NAME
+
+    def get(self, id=None):
+        args = parser.parse_args()
+        cond = {}
+        if args.filter is not None:
+            cond = json.loads(args.filter)
+        if id is None:
+            return db_manager.list(col_name=self.col_name, cond=cond, page=args.page, page_size=args.page_size)
+        else:
+            return db_manager.get(col_name=self.col_name, id=id)
+
+    def list(self):
+        args = parser.parse_args()
+        cond = {}
+        if args.filter is not None:
+            cond = json.loads(args.filter)
+        return db_manager.list(col_name=self.col_name, cond=cond, page=args.page, page_size=args.page_size)
+
+    def update(self, id=None):
+        pass
+
+    def remove(self, id=None):
+        pass
 
 
 class SpiderExecutorApi(Resource):
-    def get(self):
+    col_name = COL_NAME
+
+    def post(self, id):
         args = parser.parse_args()
         job = execute_spider.delay(args.spider_name)
         return {
@@ -21,3 +53,8 @@ class SpiderExecutorApi(Resource):
             'spider_name': args.spider_name,
             'result': job.get(timeout=5)
         }
+
+
+api.add_resource(SpiderExecutorApi, '/api/spider/:id/crawl')
+api.add_resource(SpiderApi, '/api/spider/:id')
+api.add_resource(SpiderApi, '/api/spiders')
diff --git a/routes/task.py b/routes/task.py
new file mode 100644
index 00000000..4faebaed
--- /dev/null
+++ b/routes/task.py
@@ -0,0 +1,80 @@
+import json
+
+from celery.utils.log import get_logger
+from flask import jsonify
+from flask_restful import reqparse, Resource
+
+from app import api
+from db.manager import db_manager
+
+logger = get_logger('tasks')
+parser = reqparse.RequestParser()
+
+# collection name
+COL_NAME = 'tasks'
+
+
+class TaskApi(Resource):
+    col_name = COL_NAME
+    parser = reqparse.RequestParser()
+
+    def __init__(self):
+        super(TaskApi).__init__()
+        self.parser.add_argument('page')
+        self.parser.add_argument('page_size')
+        self.parser.add_argument('filter')
+
+    def get(self, id=None):
+        args = self.parser.parse_args()
+
+        # get item by id
+        if id is None:
+            # filter
+            cond = {}
+            if args.get('filter') is not None:
+                cond = json.loads(args.filter)
+
+            # page number
+            page = 0
+            if args.get('page') is not None:
+                page = int(args.page)
+            else:
+                print(args)
+
+            # page size
+            page_size = 10
+            if args.get('page_size') is not None:
+                page = int(args.page_size)
+
+            # total count
+            total_count = db_manager.count(col_name=self.col_name, cond=cond)
+
+            # items
+            items = db_manager.list(col_name=self.col_name,
+                                    cond=cond,
+                                    skip=page * page_size,
+                                    limit=page_size)
+            return jsonify({
+                'status': 'ok',
+                'total_count': total_count,
+                'page': page,
+                'page_size': page_size,
+                'items': items
+            })
+
+        # list items
+        else:
+            return jsonify(db_manager.get(col_name=self.col_name, id=id))
+
+    def update(self, id=None):
+        pass
+
+    def remove(self, id=None):
+        pass
+
+
+# api.add_resource(TaskApi, '/api/task/:id')
+api.add_resource(TaskApi,
+                 '/api/tasks',
+                 '/api/task/:id'
+                 )
diff --git a/utils/__init__.py b/utils/__init__.py
new file mode 100644
index 00000000..2a54fbdb
--- /dev/null
+++ b/utils/__init__.py
@@ -0,0 +1,5 @@
+import re
+
+
+def is_object_id(id):
+    return re.search('^[a-zA-Z0-9]{24}$', id) is not None