diff --git a/tools/export.py b/tools/export.py
index bf22effb..53b5ab48 100644
--- a/tools/export.py
+++ b/tools/export.py
@@ -483,11 +483,11 @@ def main():
     args, cfg = build_config(args)
 
     if 'runner_type' not in cfg:
-        from mmengine.runner import Runner
+        from sscma.engine import Runner
 
         runner = Runner.from_cfg(cfg)
     else:
-        from mmengine.registry import RUNNERS
+        from sscma.registry import RUNNERS
 
         runner = RUNNERS.build(cfg)
 
diff --git a/tools/inference.py b/tools/inference.py
index 00430aba..a9ec5d1a 100644
--- a/tools/inference.py
+++ b/tools/inference.py
@@ -280,11 +280,11 @@ def main():
     args, cfg = build_config(args)
 
     if 'runner_type' not in cfg:
-        from mmengine.runner import Runner
+        from sscma.engine import Runner
 
         runner = Runner.from_cfg(cfg)
     else:
-        from mmengine.registry import RUNNERS
+        from sscma.registry import RUNNERS
 
         runner = RUNNERS.build(cfg)