diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index 48abee7..26ec11b 100644
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -32,6 +32,10 @@ $ cd langchain-ChatGLM
 # 项目中 pdf 加载由先前的 detectron2 替换为使用 paddleocr，如果之前有安装过 detectron2 需要先完成卸载避免引发 tools 冲突
 $ pip uninstall detectron2
 
+# 检查paddleocr依赖，linux环境下paddleocr依赖libX11，libXext
+$ yum install libX11
+$ yum install libXext
+
 # 安装依赖
 $ pip install -r requirements.txt
 
diff --git a/webui.py b/webui.py
index c6d74bf..77f34c4 100644
--- a/webui.py
+++ b/webui.py
@@ -427,4 +427,4 @@ with gr.Blocks(css=block_css, theme=gr.themes.Default(**default_theme_args)) as
          server_port=7860,
          show_api=False,
          share=False,
-         inbrowser=False))
+         inbrowser=False))
\ No newline at end of file