diff --git a/.drone.yml b/.drone.yml
index 58d5b6e..2fef71c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -65,7 +65,7 @@ steps:
       password:
         from_secret: gitea_password
     commands:
-    - echo "https://$username:$password@git.1000my.com" >> ~/.git-credentials
+    - echo "https://${username}:${password}@git.1000my.com" >> ~/.git-credentials
     - cat ~/.git-credentials
     - git fetch --tags
     - git submodule init