diff --git a/docker/Dockerfile b/docker/Dockerfile
index 79e3c9dd..9cde2777 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -41,7 +41,7 @@ RUN set -x \
     && ./node_modules/.bin/node-pre-gyp install --fallback-to-build --build-from-source --sqlite=/usr/bin --python=$(which python) \
     && mv /ql/sqlite3/node-sqlite3-5.0.2 /ql/node_modules/sqlite3 \
     && apk del g++ make python \
-    && rm -Rf /ql/sqlite3 /ql/sqlite3.zip
+    && rm -Rf /ql/sqlite3 /ql/sqlite3.zip \
     && rm -rf /var/cache/apk/* \
     && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone \