diff --git a/ubuntu_pdf_deployment_guide.md b/ubuntu_pdf_deployment_guide.md
index 05dc15d..12539ee 100644
--- a/ubuntu_pdf_deployment_guide.md
+++ b/ubuntu_pdf_deployment_guide.md
@@ -33,6 +33,9 @@ sudo apt install -y \
     python3-dev \
     build-essential
 
+sudo apt update && sudo apt install libcairo2-dev pkg-config
+
+
 # 安装中文字体支持
 sudo apt install -y fonts-noto-cjk fonts-wqy-microhei
 ```