diff --git a/init_loader.py b/init_loader.py
index 52d8233..a7b288f 100644
--- a/init_loader.py
+++ b/init_loader.py
@@ -1,10 +1,13 @@
-from pathlib import Path
+import os
 from rag_tools import add_to_knowledge_base
 
-def load_docs_from_dir(directory: str):
-    for file in Path(directory).glob("**/*.txt"):
-        text = file.read_text(encoding="utf-8")
-        add_to_knowledge_base(text, title=file.name)
-
 if __name__ == "__main__":
-    load_docs_from_dir("docs")
+    dir_path = os.getenv("DOCS_DIR", ".")
+    for root, _, files in os.walk(dir_path):
+        for f in files:
+            if f.lower().endswith(('.txt', '.md')):
+                path = os.path.join(root, f)
+                with open(path, 'r', encoding='utf-8') as fp:
+                    content = fp.read()
+                title = os.path.relpath(path, dir_path)
+                add_to_knowledge_base(content, title)