diff --git a/utils/settings.py b/utils/settings.py
index 8359319..96e2dcd 100644
--- a/utils/settings.py
+++ b/utils/settings.py
@@ -92,7 +92,10 @@ RAGFLOW_API_KEY = os.getenv("RAGFLOW_API_KEY", "ragflow-MRqxnDnYZ1yp5kklDMIlKH4f
 
 # 文件上传配置
 RAGFLOW_MAX_UPLOAD_SIZE = int(os.getenv("RAGFLOW_MAX_UPLOAD_SIZE", str(100 * 1024 * 1024)))  # 100MB
-RAGFLOW_ALLOWED_EXTENSIONS = os.getenv("RAGFLOW_ALLOWED_EXTENSIONS", "pdf,docx,txt,md,csv").split(",")
+RAGFLOW_ALLOWED_EXTENSIONS = os.getenv(
+    "RAGFLOW_ALLOWED_EXTENSIONS",
+    "pdf,xlsx,xls,csv,png,jpg,jpeg,gif,tif,eml,txt,md,mdx,html,json,docx,pptx,ppt,mp3,wav,mp4,avi,mkv"
+).split(",")
 
 # 性能配置
 RAGFLOW_CONNECTION_TIMEOUT = int(os.getenv("RAGFLOW_CONNECTION_TIMEOUT", "30"))  # 30秒