diff --git a/stack.yml b/stack.yml
index bcc04f1..9295a6a 100644
--- a/stack.yml
+++ b/stack.yml
@@ -6,4 +6,4 @@ services:
       - 7778:80
     environment:
       - TZ=Asia/Shanghai
-      - APP_NAME=
\ No newline at end of file
+      - APP_NAME=${APP_NAME}
\ No newline at end of file