diff --git a/tests/milvus_python_test/entity/test_search.py b/tests/milvus_python_test/entity/test_search.py
index 1890b054286a2868043bc2203f91ad6087cc93bb..4a91ee861b1b1b597a58b9e77c96f5d6edff4d8e 100644
--- a/tests/milvus_python_test/entity/test_search.py
+++ b/tests/milvus_python_test/entity/test_search.py
@@ -225,7 +225,8 @@ class TestSearchBase:
         entities, ids = init_data(connect, collection)
         connect.create_index(collection, field_name, get_simple_index)
         search_param = get_search_param(index_type)
-        query, vecs = gen_query_vectors(field_name, entities, top_k, nq, metric_type=search_metric_type, search_params=search_param)
+        query, vecs = gen_query_vectors(field_name, entities, top_k, nq, metric_type=search_metric_type,
+                                        search_params=search_param)
         res = connect.search(collection, query)
         assert len(res) == nq
         assert len(res[0]) == top_k
@@ -376,9 +377,9 @@ class TestSearchBase:
             assert res[0]._distances[0] > epsilon
             assert res[1]._distances[0] < epsilon
 
-    # 
+    #
     # test for ip metric
-    # 
+    #
     @pytest.mark.level(2)
     def test_search_ip_flat(self, connect, collection, get_simple_index, get_top_k, get_nq):
         '''
@@ -658,7 +659,7 @@ class TestSearchBase:
     def _test_search_distance_substructure_flat_index_B(self, connect, binary_collection):
         '''
         target: search binary_collection, and check the result: distance
-        method: compare the return distance value with value computed with SUB 
+        method: compare the return distance value with value computed with SUB
         expected: the return distance equals to the computed value
         '''
         # from scipy.spatial import distance
@@ -1108,7 +1109,6 @@ class TestSearchDSL(object):
         term["term"].update({"a": [0]})
         expr = {"must": [gen_default_vector_expr(default_query), term]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         with pytest.raises(Exception) as e:
             res = connect.search(collection, query)
 
@@ -1151,28 +1151,34 @@ class TestSearchDSL(object):
         with pytest.raises(Exception) as e:
             res = connect.search(collection, query)
 
-    @pytest.fixture(
-        scope="function",
-        params=gen_invalid_ranges()
-    )
-    def get_invalid_ranges(self, request):
-        return request.param
-
     @pytest.mark.level(2)
-    def test_query_range_invalid_ranges(self, connect, collection, get_invalid_ranges):
+    def test_query_range_string_ranges(self, connect, collection):
         '''
         method: build query with invalid ranges
         expected: raise Exception
         '''
         entities, ids = init_data(connect, collection)
-        ranges = get_invalid_ranges
+        ranges = {"GT": "0", "LT": "1000"}
         range = gen_default_range_expr(ranges=ranges)
         expr = {"must": [gen_default_vector_expr(default_query), range]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         with pytest.raises(Exception) as e:
             res = connect.search(collection, query)
 
+    @pytest.mark.level(2)
+    def test_query_range_invalid_ranges(self, connect, collection):
+        '''
+        method: build query with invalid ranges
+        expected: 0
+        '''
+        entities, ids = init_data(connect, collection)
+        ranges = {"GT": nb, "LT": 0}
+        range = gen_default_range_expr(ranges=ranges)
+        expr = {"must": [gen_default_vector_expr(default_query), range]}
+        query = update_query_expr(default_query, expr=expr)
+        res = connect.search(collection, query)
+        assert len(res[0]) == 0
+
     @pytest.fixture(
         scope="function",
         params=gen_valid_ranges()
@@ -1180,7 +1186,6 @@ class TestSearchDSL(object):
     def get_valid_ranges(self, request):
         return request.param
 
-    # TODO:
     @pytest.mark.level(2)
     def test_query_range_valid_ranges(self, connect, collection, get_valid_ranges):
         '''
@@ -1192,7 +1197,6 @@ class TestSearchDSL(object):
         range = gen_default_range_expr(ranges=ranges)
         expr = {"must": [gen_default_vector_expr(default_query), range]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         res = connect.search(collection, query)
         assert len(res) == nq
         assert len(res[0]) == top_k
@@ -1256,7 +1260,7 @@ class TestSearchDSL(object):
         '''
         entities, ids = init_data(connect, collection)
         term_first = gen_default_term_expr()
-        term_second = gen_default_term_expr(field="float", values=[float(i) for i in range(nb//2, nb)])
+        term_second = gen_default_term_expr(field="float", values=[float(i) for i in range(nb // 2, nb)])
         expr = {"must": [gen_default_vector_expr(default_query), term_first, term_second]}
         query = update_query_expr(default_query, expr=expr)
         res = connect.search(collection, query)
@@ -1271,12 +1275,11 @@ class TestSearchDSL(object):
         expected: pass
         '''
         entities, ids = init_data(connect, collection)
-        term_first = {"int64": {"values": [i for i in range(nb//2)]}}
-        term_second = {"float": {"values": [float(i) for i in range(nb//2, nb)]}}
+        term_first = {"int64": {"values": [i for i in range(nb // 2)]}}
+        term_second = {"float": {"values": [float(i) for i in range(nb // 2, nb)]}}
         term = update_term_expr({"term": {}}, [term_first, term_second])
         expr = {"must": [gen_default_vector_expr(default_query), term]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         res = connect.search(collection, query)
         assert len(res) == nq
         assert len(res[0]) == 0
@@ -1325,7 +1328,6 @@ class TestSearchDSL(object):
         range_second = gen_default_range_expr(field="float", ranges={"GT": nb // 2, "LT": nb})
         expr = {"must": [gen_default_vector_expr(default_query), range_first, range_second]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         res = connect.search(collection, query)
         assert len(res) == nq
         assert len(res[0]) == 0
@@ -1343,7 +1345,6 @@ class TestSearchDSL(object):
         range = update_range_expr({"range": {}}, [range_first, range_second])
         expr = {"must": [gen_default_vector_expr(default_query), range]}
         query = update_query_expr(default_query, expr=expr)
-        logging.getLogger().info(query)
         res = connect.search(collection, query)
         assert len(res) == nq
         assert len(res[0]) == 0
@@ -1362,7 +1363,7 @@ class TestSearchDSL(object):
         expected: pass
         '''
         term = gen_default_term_expr()
-        range = gen_default_range_expr(ranges={"GT": -1, "LT": nb//2})
+        range = gen_default_range_expr(ranges={"GT": -1, "LT": nb // 2})
         expr = {"must": [gen_default_vector_expr(default_query), term, range]}
         query = update_query_expr(default_query, expr=expr)
         res = connect.search(collection, query)
@@ -1383,7 +1384,6 @@ class TestSearchDSL(object):
         assert len(res) == nq
         assert len(res[0]) == 0
 
-
     """
     ******************************************************************
     #  The following cases are used to build multi vectors query expr
diff --git a/tests/milvus_python_test/utils.py b/tests/milvus_python_test/utils.py
index 1701ba7cd3755473e1b0725ab6273f3ae534c989..0b26a72b8e4674734d8229b8f4f64b7d0e3f01ac 100644
--- a/tests/milvus_python_test/utils.py
+++ b/tests/milvus_python_test/utils.py
@@ -346,14 +346,6 @@ def gen_invalid_range():
     return range
 
 
-def gen_invalid_ranges():
-    ranges = [
-        {"GT": nb, "LT": 0},
-        {"GT": "0", "LT": "1000"}
-    ]
-    return ranges
-
-
 def gen_valid_ranges():
     ranges = [
         {"GT": 0, "LT": nb//2},