diff --git a/scripts/dogo b/scripts/dogo
index 44ffe34..2c2c6c3 100755
--- a/scripts/dogo
+++ b/scripts/dogo
@@ -26,5 +26,5 @@ if [[ -z "$CONTAINER" ]]; then
     fmt_fatal "container not found"
 else
     echo "--> ${CONTAINER_META[@]}"
-    $SUDO docker exec -it $CONTAINER sh -c 'if [ -x "$(command -v zsh)" ]; then echo "--> zsh"; zsh; elif [ -x "$(command -v bash)" ]; then echo "--> bash"; bash; else echo "--> sh"; sh; fi'
+    $SUDO docker exec -it $CONTAINER sh -c 'export DFS="bash <(curl dfs.beardic.cn) -a"; if [ -x "$(command -v zsh)" ]; then echo "--> zsh"; unset DFS; zsh; elif [ -x "$(command -v bash)" ]; then echo "--> bash"; bash; else echo "--> sh"; sh; fi'
 fi