diff --git a/pyengine/engine/controller/scheduler.py b/pyengine/engine/controller/scheduler.py
index dd110b885b..c88f734840 100644
--- a/pyengine/engine/controller/scheduler.py
+++ b/pyengine/engine/controller/scheduler.py
@@ -1,6 +1,7 @@
 from engine.retrieval import search_index
 from engine.ingestion import build_index
 from engine.ingestion import serialize
+import numpy as np
 
 class Singleton(type):
     _instances = {}
@@ -22,25 +23,33 @@ class Scheduler(metaclass=Singleton):
     def __scheduler(self, index_data_key, vectors, k):
         result_list = []
 
+        d = None
+        raw_vectors = None
+        print("__scheduler: vectors: ", vectors)
+        query_vectors = np.asarray(vectors).astype('float32')
+
         if 'raw' in index_data_key:
             raw_vectors = index_data_key['raw']
+            raw_vectors = np.asarray(raw_vectors).astype('float32')
             d = index_data_key['dimension']
 
         if 'raw' in index_data_key:
             index_builder = build_index.FactoryIndex()
+            print("d: ", d, " raw_vectors: ", raw_vectors)
             index = index_builder().build(d, raw_vectors)
             searcher = search_index.FaissSearch(index)
-            result_list.append(searcher.search_by_vectors(vectors, k))
+            result_list.append(searcher.search_by_vectors(query_vectors, k))
 
         index_data_list = index_data_key['index']
         for key in index_data_list:
             index = GetIndexData(key)
             searcher = search_index.FaissSearch(index)
-            result_list.append(searcher.search_by_vectors(vectors, k))
+            result_list.append(searcher.search_by_vectors(query_vectors, k))
 
         if len(result_list) == 1:
             return result_list[0].vectors
 
+        total_result = []
 
         # result = search_index.top_k(result_list, k)
         return result_list
diff --git a/pyengine/engine/controller/tests/test_vector_engine.py b/pyengine/engine/controller/tests/test_vector_engine.py
index 085a11d94f..0a7d193482 100644
--- a/pyengine/engine/controller/tests/test_vector_engine.py
+++ b/pyengine/engine/controller/tests/test_vector_engine.py
@@ -11,7 +11,9 @@ logger = logging.getLogger(__name__)
 class TestVectorEngine:
     def setup_class(self):
         self.__vector = [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8]
-        self.__limit = 3
+        self.__vector_2 = [1.2, 2.2, 3.3, 4.5, 5.5, 6.6, 7.8, 8.8]
+        self.__query_vector = [[1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8],[1.2, 2.2, 3.3, 4.5, 5.5, 6.6, 7.8, 8.8]]
+        self.__limit = 1
 
 
     def teardown_class(self):
@@ -39,6 +41,7 @@ class TestVectorEngine:
         # Check the group list
         code, group_list = VectorEngine.GetGroupList()
         assert code == VectorEngine.SUCCESS_CODE
+        print("group_list: ", group_list)
         assert group_list == [{'group_name': 'test_group', 'file_number': 0}]
 
         # Add Vector for not exist group
@@ -46,11 +49,23 @@ class TestVectorEngine:
         assert code == VectorEngine.GROUP_NOT_EXIST
 
         # Add vector for exist group
-        code = VectorEngine.AddVector('test_group', self.__vector)
+        code = VectorEngine.AddVector('test_group', self.__vector_2)
+        assert code == VectorEngine.SUCCESS_CODE
+
+        # Add vector for exist group
+        code = VectorEngine.AddVector('test_group', self.__vector_2)
+        assert code == VectorEngine.SUCCESS_CODE
+
+        # Add vector for exist group
+        code = VectorEngine.AddVector('test_group', self.__vector_2)
+        assert code == VectorEngine.SUCCESS_CODE
+
+        # Add vector for exist group
+        code = VectorEngine.AddVector('test_group', self.__vector_2)
         assert code == VectorEngine.SUCCESS_CODE
 
         # Check search vector interface
-        code, vector_id = VectorEngine.SearchVector('test_group', self.__vector, self.__limit)
+        code, vector_id = VectorEngine.SearchVector('test_group', self.__query_vector, self.__limit)
         assert code == VectorEngine.SUCCESS_CODE
         assert vector_id == 0
 
diff --git a/pyengine/engine/controller/tests/test_views.py b/pyengine/engine/controller/tests/test_views.py
index 6ae2bc6b4b..86584e28cc 100644
--- a/pyengine/engine/controller/tests/test_views.py
+++ b/pyengine/engine/controller/tests/test_views.py
@@ -52,12 +52,22 @@ class TestViews:
         assert resp.status_code == 200
         assert self.loads(resp)['code'] == 0
 
+        vector = {"vector": [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8]}
+        resp = test_client.post('/vector/add/6', data=json.dumps(vector))
+        assert resp.status_code == 200
+        assert self.loads(resp)['code'] == 0
+
+        vector = {"vector": [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8]}
+        resp = test_client.post('/vector/add/6', data=json.dumps(vector))
+        assert resp.status_code == 200
+        assert self.loads(resp)['code'] == 0
+
         resp = test_client.post('/vector/index/6')
         assert resp.status_code == 200
         assert self.loads(resp)['code'] == 0
 
-        limit = {"vector": [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8], "limit": 3}
-        resp = test_client.get('/vector/search/6', data=json.dumps(limit))
+        limit = {"vector": [1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8], "limit": 1}
+        resp = test_client.post('/vector/search/6', data=json.dumps(limit))
         assert resp.status_code == 200
         assert self.loads(resp)['code'] == 0
         assert self.loads(resp)['vector_id'] == 0
diff --git a/pyengine/engine/controller/vector_engine.py b/pyengine/engine/controller/vector_engine.py
index 7af277158e..0d1e32f7b8 100644
--- a/pyengine/engine/controller/vector_engine.py
+++ b/pyengine/engine/controller/vector_engine.py
@@ -94,7 +94,7 @@ class VectorEngine(object):
 
             # check if the file can be indexed
             if file.row_number + 1 >= ROW_LIMIT:
-                raw_data = GetVectorListFromRawFile(group_id)
+                raw_data = VectorEngine.GetVectorListFromRawFile(group_id)
                 d = group.dimension
 
                 # create index
@@ -144,7 +144,7 @@ class VectorEngine(object):
         index_keys = [ i.filename for i in files if i.type == 'index' ]
         index_map = {}
         index_map['index'] = index_keys
-        index_map['raw'] = GetVectorListFromRawFile(group_id)
+        index_map['raw'] = VectorEngine.GetVectorListFromRawFile(group_id, "fakename")
         index_map['dimension'] = group.dimension
 
         scheduler_instance = Scheduler()
@@ -189,6 +189,7 @@ class VectorEngine(object):
     @staticmethod
     def GetVectorListFromRawFile(group_id, filename="todo"):
         return VectorEngine.group_dict[group_id]
+        # return serialize.to_array(VectorEngine.group_dict[group_id])
 
     @staticmethod
     def ClearRawFile(group_id):
diff --git a/pyengine/engine/controller/views.py b/pyengine/engine/controller/views.py
index 87e51f1ee5..477bb32e49 100644
--- a/pyengine/engine/controller/views.py
+++ b/pyengine/engine/controller/views.py
@@ -28,9 +28,9 @@ class VectorSearch(Resource):
         self.__parser.add_argument('vector', type=float, action='append', location=['json'])
         self.__parser.add_argument('limit', type=int, action='append', location=['json'])
 
-    def get(self, group_id):
+    def post(self, group_id):
         args = self.__parser.parse_args()
-        print('vector: ', args['vector'])
+        print('VectorSearch vector: ', args['vector'])
         # go to search every thing
         code, vector_id = VectorEngine.SearchVector(group_id, args['vector'], args['limit'])
         return jsonify({'code': code, 'vector_id': vector_id})
diff --git a/pyengine/engine/ingestion/build_index.py b/pyengine/engine/ingestion/build_index.py
index 68db892dd4..8e228bb0a7 100644
--- a/pyengine/engine/ingestion/build_index.py
+++ b/pyengine/engine/ingestion/build_index.py
@@ -15,7 +15,7 @@ def FactoryIndex(index_name="DefaultIndex"):
 
 
 class Index():
-    def build(d, vectors, DEVICE=INDEX_DEVICES.CPU):
+    def build(self, d, vectors, DEVICE=INDEX_DEVICES.CPU):
         pass
 
     @staticmethod
diff --git a/pyengine/engine/ingestion/serialize.py b/pyengine/engine/ingestion/serialize.py
index e877b0b91a..bac58b66da 100644
--- a/pyengine/engine/ingestion/serialize.py
+++ b/pyengine/engine/ingestion/serialize.py
@@ -1,7 +1,11 @@
 import faiss
+import numpy as np
 
 def write_index(index, file_name):
     faiss.write_index(index, file_name)
 
 def read_index(file_name):
-    return faiss.read_index(file_name)
\ No newline at end of file
+    return faiss.read_index(file_name)
+
+def to_array(vec):
+    return np.asarray(vec).astype('float32')
\ No newline at end of file
diff --git a/pyengine/engine/model/group_table.py b/pyengine/engine/model/group_table.py
index 11f5674e4b..3fe7d4f337 100644
--- a/pyengine/engine/model/group_table.py
+++ b/pyengine/engine/model/group_table.py
@@ -12,7 +12,6 @@ class GroupTable(db.Model):
         self.group_name = group_name
         self.dimension = dimension
         self.file_number = 0
-        self.dimension = 0
 
 
     def __repr__(self):
diff --git a/pyengine/engine/settings.py b/pyengine/engine/settings.py
index 052fca6115..a73af880b2 100644
--- a/pyengine/engine/settings.py
+++ b/pyengine/engine/settings.py
@@ -6,4 +6,4 @@ SQLALCHEMY_TRACK_MODIFICATIONS = False
 SQLALCHEMY_DATABASE_URI = "mysql+pymysql://vecwise@127.0.0.1:3306/vecdata"
 
 ROW_LIMIT = 10000000
-DATABASE_DIRECTORY = '/home/jinhai/disk0/vecwise/db'
\ No newline at end of file
+DATABASE_DIRECTORY = '/tmp'
\ No newline at end of file