diff --git a/docs/sphinx_doc/source/tutorial/trinity_configs.md b/docs/sphinx_doc/source/tutorial/trinity_configs.md
index 88d925f786..c9fbacc798 100644
--- a/docs/sphinx_doc/source/tutorial/trinity_configs.md
+++ b/docs/sphinx_doc/source/tutorial/trinity_configs.md
@@ -310,6 +310,9 @@ Controls the rollout models and workflow execution.
 explorer:
   name: explorer
   runner_num: 32
+  max_timeout: 900
+  max_retry_times: 2
+  env_vars: {}
   rollout_model:
     engine_type: vllm_async
     engine_num: 1
@@ -321,6 +324,9 @@ explorer:
 
 - `name`: Name of the explorer. This name will be used as the Ray actor's name, so it must be unique.
 - `runner_num`: Number of parallel workflow runners.
+- `max_timeout`: Maximum time (in seconds) for a workflow to complete.
+- `max_retry_times`: Maximum number of retries for a workflow.
+- `env_vars`: Environment variables to be set for every workflow runners.
 - `rollout_model.engine_type`: Type of inference engine. Options: `vllm_async` (recommended), `vllm`.
 - `rollout_model.engine_num`: Number of inference engines.
 - `rollout_model.tensor_parallel_size`: Degree of tensor parallelism.
diff --git a/trinity/common/config.py b/trinity/common/config.py
index 72e9964857..0360498038 100644
--- a/trinity/common/config.py
+++ b/trinity/common/config.py
@@ -305,6 +305,7 @@ class ExplorerConfig:
     runner_num: int = 1
     max_timeout: int = 900  # wait each task for 15 minutes
     max_retry_times: int = 2  # retry each task for 2 times if it fails or timeout
+    env_vars: dict = field(default_factory=dict)
 
     # for inference models
     # for rollout model
diff --git a/trinity/explorer/runner_pool.py b/trinity/explorer/runner_pool.py
index 73c15ab4da..e5ef8bdd5d 100644
--- a/trinity/explorer/runner_pool.py
+++ b/trinity/explorer/runner_pool.py
@@ -74,6 +74,7 @@ def _create_actors(self, num: int = 1):
                 .options(
                     namespace=self._namespace,
                     scheduling_strategy="SPREAD",
+                    runtime_env={"env_vars": self.config.explorer.env_vars},
                 )
                 .remote(
                     self.config,
diff --git a/trinity/trainer/trainer.py b/trinity/trainer/trainer.py
index 646bfdac4b..61459b7f29 100644
--- a/trinity/trainer/trainer.py
+++ b/trinity/trainer/trainer.py
@@ -73,7 +73,7 @@ def sync_weight(self) -> None:
 
     def flush_log(self, step: int) -> None:
         """Flush the log of the current step."""
-        self.engine.logger.log({}, step=step, commit=True)
+        self.engine.monitor.log({}, step=step, commit=True)
 
     def shutdown(self) -> None:
         # if checkpoint not saved, save the last checkpoint
@@ -81,7 +81,7 @@ def shutdown(self) -> None:
         path = os.path.join(self.config.checkpoint_job_dir, f"global_step_{step_num}")
         if not os.path.isdir(path) or len(os.listdir(path)) == 0:
             self.engine.save_checkpoint()
-        self.engine.logger.close()
+        self.engine.monitor.close()
 
 
 class TrainEngineWrapper(ABC):