diff --git a/crawlab/routes/sites.py b/crawlab/routes/sites.py
index 443cecd5..d9bd4593 100644
--- a/crawlab/routes/sites.py
+++ b/crawlab/routes/sites.py
@@ -43,7 +43,8 @@ class SiteApi(BaseApi):
         if keyword is not None:
             filter_['$or'] = [
                 {'description': {'$regex': keyword}},
-                {'name': {'$regex': keyword}}
+                {'name': {'$regex': keyword}},
+                {'domain': {'$regex': keyword}}
             ]
 
         items = db_manager.list(
diff --git a/crawlab/routes/spiders.py b/crawlab/routes/spiders.py
index 157218ee..5473d824 100644
--- a/crawlab/routes/spiders.py
+++ b/crawlab/routes/spiders.py
@@ -61,6 +61,9 @@ class SpiderApi(BaseApi):
 
         # spider schedule cron enabled
         ('envs', str),
+
+        # spider site
+        ('site', str),
     )
 
     def get(self, id=None, action=None):
diff --git a/spiders/chinaz/chinaz/pipelines.py b/spiders/chinaz/chinaz/pipelines.py
index ad3fbb23..747de355 100644
--- a/spiders/chinaz/chinaz/pipelines.py
+++ b/spiders/chinaz/chinaz/pipelines.py
@@ -23,6 +23,6 @@ class MongoPipeline(object):
     def process_item(self, item, spider):
         item['task_id'] = os.environ.get('CRAWLAB_TASK_ID')
         item['_id'] = item['domain']
-        if self.col.find_one({'_id': item['_id']}) is not None:
+        if self.col.find_one({'_id': item['_id']}) is None:
             self.col.save(item)
         return item