diff --git a/src/llamafactory/webui/runner.py b/src/llamafactory/webui/runner.py
index 13dbba03..6cd21b07 100644
--- a/src/llamafactory/webui/runner.py
+++ b/src/llamafactory/webui/runner.py
@@ -24,7 +24,7 @@ from ..extras.misc import is_gpu_or_npu_available, torch_gc
 from ..extras.packages import is_gradio_available
 from .common import DEFAULT_CACHE_DIR, DEFAULT_CONFIG_DIR, get_save_dir, load_config
 from .locales import ALERTS, LOCALES
-from .utils import abort_leaf_process, gen_cmd, get_eval_results, get_trainer_info, load_args, save_args, save_cmd
+from .utils import abort_process, gen_cmd, get_eval_results, get_trainer_info, load_args, save_args, save_cmd
 
 
 if is_gradio_available():
@@ -52,7 +52,7 @@ class Runner:
     def set_abort(self) -> None:
         self.aborted = True
         if self.trainer is not None:
-            abort_leaf_process(self.trainer.pid)
+            abort_process(self.trainer.pid)
 
     def _initialize(self, data: Dict["Component", Any], do_train: bool, from_preview: bool) -> str:
         get = lambda elem_id: data[self.manager.get_elem_by_id(elem_id)]
diff --git a/src/llamafactory/webui/utils.py b/src/llamafactory/webui/utils.py
index 6ce2a8e7..a616bcba 100644
--- a/src/llamafactory/webui/utils.py
+++ b/src/llamafactory/webui/utils.py
@@ -33,16 +33,16 @@ if is_gradio_available():
     import gradio as gr
 
 
-def abort_leaf_process(pid: int) -> None:
+def abort_process(pid: int) -> None:
     r"""
-    Aborts the leaf processes.
+    Aborts the processes recursively in a bottom-up way.
     """
     children = psutil.Process(pid).children()
     if children:
         for child in children:
-            abort_leaf_process(child.pid)
-    else:
-        os.kill(pid, signal.SIGABRT)
+            abort_process(child.pid)
+
+    os.kill(pid, signal.SIGABRT)
 
 
 def can_quantize(finetuning_type: str) -> "gr.Dropdown":