diff --git a/__web/alibabacloundfn/justfile b/__web/alibabacloundfn/justfile
index 9b9d5e4..3300b4b 100644
--- a/__web/alibabacloundfn/justfile
+++ b/__web/alibabacloundfn/justfile
@@ -1,6 +1,8 @@
-
+# build alibaba cloud fn
 buildfn:
-  dockerbuild build --release --target-dir linux_target
+  if [ -f "code.zip" ]; then rm code.zip; fi
+  dockerbuild :image:rust:1.47 :mirror:git://mirrors.ustc.edu.cn/crates.io-index \
+              build --release --target-dir linux_target
   cp linux_target/release/alibabacloundfn .
   zip code.zip bootstrap alibabacloundfn
   rm alibabacloundfn