diff --git a/dlrover/python/common/constants.py b/dlrover/python/common/constants.py
index 5933ac4e7..df96bcd40 100644
--- a/dlrover/python/common/constants.py
+++ b/dlrover/python/common/constants.py
@@ -362,11 +362,17 @@ class JobConstant(object):
     # grpc timeout 60s
     MASTER_CLIENT_GRPC_DEFAULT_TIMEOUT = 60
 
-    # sleep 3s on NetworkFailureReason.WAITING_NODE
-    MASTER_CLIENT_CHECK_FAULT_TIMEOUT = 1
+    # master_client.check_straggler timeout
+    MASTER_CLIENT_CHECK_FAULT_NODE_TIMEOUT = 300
 
-    # sleep 3s on NetworkFailureReason.WAITING_NODE
-    MASTER_CLIENT_CHECK_STRAGGLER_TIMEOUT = 1
+    # master_client.check_fault_node timeout
+    MASTER_CLIENT_CHECK_STRAGGLER_NODE_TIMEOUT = 300
+
+    # sleep 1s on NetworkFailureReason.WAITING_NODE
+    MASTER_CLIENT_CHECK_FAULT_SLEEP_TIMEOUT = 1
+
+    # sleep 1s on NetworkFailureReason.WAITING_NODE
+    MASTER_CLIENT_CHECK_STRAGGLER_SLEEP_TIMEOUT = 1
 
     # sleep 5s before next node check round
     NODE_CHECK_NEXT_ROUND_TIMEOUT = 5
diff --git a/dlrover/python/elastic_agent/master_client.py b/dlrover/python/elastic_agent/master_client.py
index 178ef748c..adda3d1b6 100644
--- a/dlrover/python/elastic_agent/master_client.py
+++ b/dlrover/python/elastic_agent/master_client.py
@@ -395,14 +395,14 @@ def check_fault_node(self, timeout=300):
             result: grpc.NetworkCheckResult = self._get(request)
             if (
                 result.reason == NetworkFailureReason.WAITING_NODE
-                and time.time() - start < timeout
-            ):
-                time.sleep(JobConstant.MASTER_CLIENT_CHECK_FAULT_TIMEOUT)
+                or result.reason == NetworkFailureReason.NO_INIT
+            ) and time.time() - start < timeout:
+                time.sleep(JobConstant.MASTER_CLIENT_CHECK_FAULT_SLEEP_TIMEOUT)
                 continue
             break
         return result.nodes, result.reason
 
-    def check_straggler(self, timeout=300):
+    def check_straggler(self, timeout=3):
         request = grpc.StragglerExistRequest()
         start = time.time()
         while True:
@@ -411,7 +411,9 @@ def check_straggler(self, timeout=300):
                 result.reason == NetworkFailureReason.WAITING_NODE
                 and time.time() - start < timeout
             ):
-                time.sleep(JobConstant.MASTER_CLIENT_CHECK_STRAGGLER_TIMEOUT)
+                time.sleep(
+                    JobConstant.MASTER_CLIENT_CHECK_STRAGGLER_SLEEP_TIMEOUT
+                )
                 continue
             break
         return result.nodes, result.reason
diff --git a/dlrover/python/elastic_agent/torch/training.py b/dlrover/python/elastic_agent/torch/training.py
index 6da0a2c5f..f0d8bd740 100644
--- a/dlrover/python/elastic_agent/torch/training.py
+++ b/dlrover/python/elastic_agent/torch/training.py
@@ -1426,8 +1426,12 @@ def run(self, role: str = DEFAULT_ROLE) -> bool:
                 elapsed_time,
             )
             success = success or result
-            fault_nodes, fault_reason = self._client.check_fault_node()
-            stragglers, straggler_reason = self._client.check_straggler()
+            fault_nodes, fault_reason = self._client.check_fault_node(
+                timeout=JobConstant.MASTER_CLIENT_CHECK_FAULT_NODE_TIMEOUT
+            )
+            stragglers, straggler_reason = self._client.check_straggler(
+                timeout=JobConstant.MASTER_CLIENT_CHECK_STRAGGLER_NODE_TIMEOUT
+            )
             logger.info(
                 f"Fault nodes are: {fault_nodes} with {fault_reason} "
                 f" and stragglers are: {stragglers} with {straggler_reason}"
diff --git a/dlrover/python/tests/test_elastic_training_agent.py b/dlrover/python/tests/test_elastic_training_agent.py
index d27735dd3..089bcb433 100644
--- a/dlrover/python/tests/test_elastic_training_agent.py
+++ b/dlrover/python/tests/test_elastic_training_agent.py
@@ -778,6 +778,8 @@ def test_run_agent(self):
         )
 
         # with no fault and no stragglers
+        agent._client.check_fault_node = mock.MagicMock(return_value=([], ""))
+        agent._client.check_straggler = mock.MagicMock(return_value=([], ""))
         agent._run_node_check = mock.MagicMock(return_value=(True, 100))
         agent._stop_workers = mock.MagicMock(return_value=True)
         self.assertTrue(agent.run())
diff --git a/dlrover/python/tests/test_master_client.py b/dlrover/python/tests/test_master_client.py
index e216d8dcd..bbf855c80 100644
--- a/dlrover/python/tests/test_master_client.py
+++ b/dlrover/python/tests/test_master_client.py
@@ -152,7 +152,7 @@ def test_get(self):
         self.assertEqual(len(nodes), 1)
         self.assertEqual(nodes[0].type, NodeType.WORKER)
 
-        nodes, _ = self._master_client.check_fault_node()
+        nodes, _ = self._master_client.check_fault_node(timeout=1)
         self.assertListEqual(nodes, [])
 
         round = self._master_client.join_rendezvous(0, 8, "elastic-training")