diff --git a/merico/explain/command.yml b/merico/explain/command.yml
index d62c908..92fd60b 100644
--- a/merico/explain/command.yml
+++ b/merico/explain/command.yml
@@ -1,3 +1,4 @@
 description: Explain selected code.
+help: README.md
 steps:
   - run: $devchat_python $command_path/explain.py
diff --git a/merico/explain/explain.py b/merico/explain/explain.py
index c785bf9..25660e2 100644
--- a/merico/explain/explain.py
+++ b/merico/explain/explain.py
@@ -1,9 +1,10 @@
 import os
 import sys
 
-from devchat.ide.service import IDEService
 from devchat.llm import chat
 
+from lib.ide_service import IDEService
+
 
 def get_selected_code():
     """