diff --git a/Dockerfile b/Dockerfile
index 9a12f94..b357582 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ENV TZ=Asia/Shanghai
 RUN apt update
 RUN apt install -y vim
 RUN apt install -y libgl1-mesa-glx
-RUN apt install poppler-utils
+RUN apt install -y poppler-utils
 
 COPY ./requirements.txt  /requirements.txt
 RUN pip install --upgrade pip