fix 删除无用的缓存

configHelper.go

@@ -516,7 +516,6 @@ func (the *ConfigHelper) GetIotaMeta(deviceId string) (common_models.DeviceMeta,
 		k := fmt.Sprintf("%s:%s", redisKey.Iota_meta, deviceId)
 		//var deviceMeta common_models.DeviceMeta
 		err = the.redisHelper.GetObj(k, &result)
-		DeviceMetaCache[deviceId] = result
 	}
 	return result, err
 }
@@ -529,7 +528,6 @@ func (the *ConfigHelper) GetIotaDevice(deviceId string) (common_models.IotaDevic
 		k := fmt.Sprintf("%s:%s", redisKey.Iota_device, deviceId)
 
 		err = the.redisHelper.GetObj(k, &result)
-		IotaDeviceCache[deviceId] = result
 	}
 	return result, err
 }