diff --git a/Dockerfile b/Dockerfile
index 29305ad..d2fab63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,4 +17,4 @@ ENV SOURCE=yumc.pw
 ENV TARGET=https://git.yumc.pw
 ENV PROTOCOL=git
 
-CMD ["./main", "-s", "${SOURCE}", "-t", "${TARGET}", "-p", "${PROTOCOL}"]
+CMD ./main -s ${SOURCE} -t ${TARGET} -p ${PROTOCOL}