diff --git a/entrypoint.sh b/entrypoint.sh
index 000b898..91a0859 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,5 +1,7 @@
 #!/bin/sh -l
 
+set -ex
+
 apk update \
  && apk add --no-cache wget \
  && wget -O upx.tar.gz http://collection.b0.upaiyun.com/softwares/upx/upx_0.3.6_linux_x86_64.tar.gz \