diff --git a/plugin.sh b/plugin.sh
index f0dcefa..95839a8 100755
--- a/plugin.sh
+++ b/plugin.sh
@@ -64,6 +64,11 @@ if [[ "${PLUGIN_SKIP_UNUSED_STAGES:-}" == "true" ]]; then
     SKIP_UNUSED_STAGES="--skip-unused-stages=true"
 fi
 
+# full, redo, time
+if [ -n "${PLUGIN_SNAPSHOT_MODE:-}" ]; then
+    SNAPSHOT_MODE="--snapshot-mode=${PLUGIN_SNAPSHOT_MODE}"
+fi
+
 # auto_tag, if set auto_tag: true, auto generate .tags file
 # support format Major.Minor.Release or start with `v`
 # docker tags: Major, Major.Minor, Major.Minor.Release and latest