fix(standard): 添加标准树参数空值校验

liding

2026-08-27 667b234c6cd389cbb16c5f9680a7f7a4295ecd37

 basic-server/src/main/java/com/ruoyi/basic/service/impl/StandardMethodServiceImpl.java

@@ -169,6 +169,9 @@

    @Override
    public Map<String, List<?>> selectsStandardMethodByFLSSM(String tree) {
        if (tree == null || tree.trim().isEmpty()) {
            return Collections.emptyMap();
        }
        String[] trees = tree.split(" - ");
        Map<String, List<?>> map = new HashMap<>();
        String str = "";