优化缓存数据逻辑

amos-boot-system-jxiop/amos-boot-module-jxiop-monitor-biz/src/main/java/com/yeejoin/amos/boot/module/jxiop/biz/initdata/StationCacheDataInit.java

@@ -43,8 +43,8 @@ public class StationCacheDataInit implements CommandLineRunner {
     Logger logger = LoggerFactory.getLogger(StationCacheDataInit.class);
 
     public void run(String... args) throws Exception {
-        List<StationCacheInfoDto> stationCacheInfoDtos = new ArrayList<>();
         redisTemplate.delete("station_info_cache");
+        List<StationCacheInfoDto> stationCacheInfoDtos = new ArrayList<>();
         List<Region> regionList = regionMapper.selectList(new QueryWrapper<Region>().eq("LEVEL", 1));
         List<MapRegion> mapRegionList = mapRegionMapper.selectList(new QueryWrapper<MapRegion>().isNotNull("name"));
         List<StationBasic> stationBasicList = stationBasicMapper.selectList(new QueryWrapper<StationBasic>().isNotNull("belong_area").isNotNull("fan_gateway_id"));