feat(REQ-2649): 修复detail接口查询，对null值的处理。

black-list/black-list-service/src/main/java/cn/axzo/nanopart/server/dao/repository/BlackAndWhiteListRepository.java

@@ -105,6 +105,8 @@ public class BlackAndWhiteListRepository extends ServiceImpl<BlackAndWhiteListMa
             String fullKey = prefix.isEmpty() ? key : prefix + "." + key;
             if (value instanceof Map) {
                 buildQueryWrapper(queryWrapper, (Map<String, Object>) value, fullKey);
+            } else if (value == null){
+                // 暂不支持对null的查询。要用IS NULL
             }else {
                 queryWrapper.eq("param->>'$." + fullKey + "'", value);
             }