diff --git a/devel/docker.sh b/devel/docker.sh
index 1bc547b..07b3c7d 100755
--- a/devel/docker.sh
+++ b/devel/docker.sh
@@ -9,10 +9,9 @@ case "$PM" in
     apt)
         # snap docker will intefere native docker.io, must be dealt with
         sudo snap remove --purge docker
+        pm_update
         sudo apt install -y docker.io
-        if ! has_cmd python; then
-            "$PDIR/python/install.sh"
-        fi
+        "$PDIR/devel/python.sh"
         sudo pip3 install docker-compose
         ;;
     pacman)
diff --git a/env.sh b/env.sh
index b7af577..372d601 100755
--- a/env.sh
+++ b/env.sh
@@ -10,8 +10,8 @@ PDIR=$(dirname "${DIR-$0}")
 GITHUB_PROXY=${GITHUB_PROXY-$HTTPS_PROXY}
 
 in_china() {
-    ! [ -f /tmp/myip ] && curl -s myip.ipip.net > /tmp/myip
-    grep -qF '中国' /tmp/myip
+    ! [ -f /tmp/myip_full ] && curl -s myip.ipip.net > /tmp/myip_full
+    grep -qF '中国' /tmp/myip_full
 }
 
 lnsf() {