diff --git a/go.mod b/go.mod
index 48e04d3..bf0e907 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module hepa-calc-api
 
-go 1.22.0
+go 1.19
 
 require (
 	github.com/alibabacloud-go/darabonba-openapi/v2 v2.0.8
diff --git a/hepa-calc-api b/hepa-calc-api
deleted file mode 100755
index 9a9422c..0000000
Binary files a/hepa-calc-api and /dev/null differ