diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index d095c7b..c8959f0 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -88,6 +88,17 @@ docker_init_database_dir() {
 		set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@"
 	fi
 
+
+
+	echo "[DEBUG] POSTGRES_USER=$POSTGRES_USER" >&2
+	echo "[DEBUG] POSTGRES_PASSWORD=$POSTGRES_PASSWORD" >&2
+	echo "[DEBUG] POSTGRES_INITDB_ARGS=$POSTGRES_INITDB_ARGS" >&2
+	echo "[DEBUG] \$@ = $@" >&2
+
+	# 实际拼接结果
+	eval_str='initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'
+	echo "[DEBUG] eval command = $eval_str" >&2
+
 	# --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025
 	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'