diff --git a/.drone.yml b/.drone.yml
index f2eebf8..a65f722 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,7 +6,7 @@ steps:
     image: golang:alpine
     pull: if-not-exists
     environment:
-      - GOPROXY=https://goproxy.cn
+      GOPROXY: https://goproxy.cn
     commands:
       - sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
       - apk update && apk add build-base