diff --git a/scripts/smoke/openclaw-docker-ui.sh b/scripts/smoke/openclaw-docker-ui.sh
index 7af4ea07..c8d32068 100755
--- a/scripts/smoke/openclaw-docker-ui.sh
+++ b/scripts/smoke/openclaw-docker-ui.sh
@@ -57,7 +57,10 @@ require_cmd grep
 OPENCLAW_REPO_URL="${OPENCLAW_REPO_URL:-https://github.com/openclaw/openclaw.git}"
 OPENCLAW_DOCKER_DIR="${OPENCLAW_DOCKER_DIR:-/tmp/openclaw-docker}"
 OPENCLAW_IMAGE="${OPENCLAW_IMAGE:-openclaw:local}"
-OPENCLAW_CONFIG_DIR="${OPENCLAW_CONFIG_DIR:-$HOME/.openclaw-paperclip-smoke}"
+OPENCLAW_TMP_DIR="${OPENCLAW_TMP_DIR:-${TMPDIR:-/tmp}}"
+OPENCLAW_TMP_DIR="${OPENCLAW_TMP_DIR%/}"
+OPENCLAW_TMP_DIR="${OPENCLAW_TMP_DIR:-/tmp}"
+OPENCLAW_CONFIG_DIR="${OPENCLAW_CONFIG_DIR:-$OPENCLAW_TMP_DIR/openclaw-paperclip-smoke}"
 OPENCLAW_WORKSPACE_DIR="${OPENCLAW_WORKSPACE_DIR:-$OPENCLAW_CONFIG_DIR/workspace}"
 OPENCLAW_GATEWAY_PORT="${OPENCLAW_GATEWAY_PORT:-18789}"
 OPENCLAW_BRIDGE_PORT="${OPENCLAW_BRIDGE_PORT:-18790}"