diff --git a/tests/python_client/chaos/testcases/test_concurrent_operation.py b/tests/python_client/chaos/testcases/test_concurrent_operation.py
index 19fe910afe..62ce7ffc14 100644
--- a/tests/python_client/chaos/testcases/test_concurrent_operation.py
+++ b/tests/python_client/chaos/testcases/test_concurrent_operation.py
@@ -14,6 +14,7 @@ from common.cus_resource_opts import CustomResourceOperations as CusResource
 from utils.util_log import test_log as log
 from chaos import chaos_commons as cc
 from common import common_func as cf
+from chaos.chaos_commons import assert_statistic
 from common.common_type import CaseLabel
 from chaos import constants
 from delayed_assert import expect, assert_expectations
@@ -97,7 +98,7 @@ class TestOperations(TestBase):
         yield request.param
 
     @pytest.mark.tags(CaseLabel.L3)
-    def test_operations(self):
+    def test_operations(self, request_duration, is_check):
         # start the monitor threads to check the milvus ops
         log.info("*********************Test Start**********************")
         log.info(connections.get_connection_addr('default'))
@@ -106,10 +107,13 @@ class TestOperations(TestBase):
         cc.start_monitor_threads(self.health_checkers)
         log.info("*********************Load Start**********************")
         # wait 200s
-
+        request_duration = eval(request_duration.replace("h","*3600+").replace("m","*60+").replace("s",""))
         for i in range(10):
-            sleep(20)
+            sleep(request_duration//10)
             for k,v in self.health_checkers.items():
                 v.check_result()
                 # log.info(v.check_result())
+        if is_check:
+            assert_statistic(self.health_checkers)
+            assert_expectations()        
         log.info("*********************Chaos Test Completed**********************")
diff --git a/tests/python_client/chaos/testcases/test_single_request_operation.py b/tests/python_client/chaos/testcases/test_single_request_operation.py
index c90c0dee16..f2d79bff60 100644
--- a/tests/python_client/chaos/testcases/test_single_request_operation.py
+++ b/tests/python_client/chaos/testcases/test_single_request_operation.py
@@ -11,8 +11,9 @@ from chaos.checker import (InsertChecker,
 from utils.util_log import test_log as log
 from chaos import chaos_commons as cc
 from common.common_type import CaseLabel
+from chaos.chaos_commons import assert_statistic
 from chaos import constants
-
+from delayed_assert import assert_expectations
 
 class TestBase:
     expect_create = constants.SUCC
@@ -57,7 +58,7 @@ class TestOperations(TestBase):
         self.health_checkers = checkers
 
     @pytest.mark.tags(CaseLabel.L3)
-    def test_operations(self):
+    def test_operations(self, request_duration, is_check):
         # start the monitor threads to check the milvus ops
         log.info("*********************Test Start**********************")
         log.info(connections.get_connection_addr('default'))
@@ -66,9 +67,12 @@ class TestOperations(TestBase):
         cc.start_monitor_threads(self.health_checkers)
         log.info("*********************Load Start**********************")
         # wait 200s
-
+        request_duration = eval(request_duration.replace("h","*3600+").replace("m","*60+").replace("s",""))
         for i in range(10):
-            sleep(20)
+            sleep(request_duration//10)
             for k,v in self.health_checkers.items():
                 v.check_result()
+        if is_check:
+            assert_statistic(self.health_checkers)
+            assert_expectations()
         log.info("*********************Chaos Test Completed**********************")
diff --git a/tests/python_client/chaos/testcases/test_verify_all_collections.py b/tests/python_client/chaos/testcases/test_verify_all_collections.py
index 805c305f43..e07d067b36 100644
--- a/tests/python_client/chaos/testcases/test_verify_all_collections.py
+++ b/tests/python_client/chaos/testcases/test_verify_all_collections.py
@@ -82,7 +82,7 @@ class TestOperations(TestBase):
         self.health_checkers = checkers
 
     @pytest.mark.tags(CaseLabel.L3)
-    def test_operations(self,collection_name):
+    def test_operations(self,collection_name, request_duration):
         # start the monitor threads to check the milvus ops
         log.info("*********************Test Start**********************")
         log.info(connections.get_connection_addr('default'))
@@ -90,9 +90,10 @@ class TestOperations(TestBase):
         self.init_health_checkers(collection_name=c_name)
         cc.start_monitor_threads(self.health_checkers)
         log.info("*********************Request Load Start**********************")
+        request_duration = eval(request_duration.replace("h","*3600+").replace("m","*60+").replace("s",""))
         # wait 200s for the load request to be finished
         for i in range(10):
-            sleep(20)
+            sleep(request_duration//10)
             for k,v in self.health_checkers.items():
                 v.check_result()
         log.info("******assert after chaos deleted: ")