修复监控数据表不存在时报错情况

src/main/java/com/esv/datacenter/iot/module/dashboard/service/impl/DashboardServiceImpl.java

@@ -52,7 +52,13 @@ public class DashboardServiceImpl implements DashboardService {
                     + " where device_id = ?"
                     + " order by time desc limit 100";
             log.info("select modelData sql: {}", sql);
-            List<Map<String, Object>> dataList = jdbcTemplate.queryForList(sql, dashboardReq.getDeviceId());
+            List<Map<String, Object>> dataList;
+            try {
+                dataList = jdbcTemplate.queryForList(sql, dashboardReq.getDeviceId());
+            } catch (Exception e) {
+                log.error(e.getMessage(), e);
+                dataList = new ArrayList<>();
+            }
             modelDataVOList.add(new ModelDataVO(modelId, dataList));
         }
         return modelDataVOList;