diff --git a/src/connections/networks/index.ts b/src/connections/networks/index.ts
index b643935..39fe6ec 100644
--- a/src/connections/networks/index.ts
+++ b/src/connections/networks/index.ts
@@ -15,6 +15,7 @@ export const standalones: Networks = {
   kusama: {
     name: 'Kusama',
     ...resolveOnfinalityUrl('kusama'),
+    wsNode: 'wss://kusama-rpc.polkadot.io',
     icon: 'kusama.svg',
     isMixedConnection: true,
     isTransferable: true
@@ -22,6 +23,7 @@ export const standalones: Networks = {
   polkadot: {
     name: 'Polkadot',
     ...resolveOnfinalityUrl('polkadot'),
+    wsNode: 'wss://rpc.polkadot.io',
     icon: 'polkadot.svg',
     isMixedConnection: true,
     isTransferable: true
diff --git a/src/server.ts b/src/server.ts
index a47c452..0f5a149 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1,13 +1,12 @@
 import express from 'express'
 import cors from 'cors'
 import timeout from 'connect-timeout'
-import { reqTimeoutSecs , allowedOrigins, port } from './constant/env'
+import { reqTimeoutSecs, allowedOrigins, port } from './constant/env'
 import { newLogger } from '@subsocial/utils'
 
 import { createRoutes } from './routes'
 import { Connections } from './connections'
 import { getOrCreateRedisCache } from './cache/redisCache';
-import { getValidatorsDataByRelayChains } from './services/validatorStaking'
 
 require('dotenv').config()
 
@@ -69,22 +68,18 @@ export const startHttpServer = (apis: Connections) => {
     log.warn('Error connecting to redis', error?.message)
   })
 
-  redis?.on('close', () => {
+  redis?.on('close', async () => {
     if (redisCache.isConnectionClosed) return
     redisCache.setIsRedisReady(false)
     redisCache.setIsConnectionClosed(true)
 
     log.warn('Redis connection closed')
-
-    getValidatorsDataByRelayChains(apis)
   })
 
   redis?.on('connect', async () => {
     log.info('Redis connected')
     redisCache.setIsConnectionClosed(false)
     await redisCache.checkConnection({ showLogs: true })
-
-    getValidatorsDataByRelayChains(apis)
   })
 
   // for parsing multipart/form-data
diff --git a/src/services/validatorStaking/validatorsInfo.ts b/src/services/validatorStaking/validatorsInfo.ts
index 94b93c2..d77af85 100644
--- a/src/services/validatorStaking/validatorsInfo.ts
+++ b/src/services/validatorStaking/validatorsInfo.ts
@@ -8,10 +8,12 @@ import type { DeriveStakingElected, DeriveStakingWaiting } from '@polkadot/api-d
 import Cache from '../../cache'
 import { Connections } from '../../connections'
 import { relayChains } from '../crowdloan/types'
-import { isEmptyObj } from '@subsocial/utils'
+import { isEmptyObj, newLogger } from '@subsocial/utils'
 
 const validatorStakingInfoCache = new Cache<any>('validator-staking-info', FIVE_MINUTES)
 
+const log = newLogger('ValidatorStakingInfo')
+
 /// https://github.dev/polkadot-js/apps/blob/fb8f7fe86b2945fcc71dcd11c67ebeeab35ee37e/packages/page-staking/src/useSortedTargets.ts#L120-L121
 const parseValidatorStakingInfo = (
   api: ApiPromise,
@@ -127,7 +129,7 @@ function mergeValidatorsInfo(
   }
 }
 
-export const getValidatorsData = async (api: any, network: string) => {
+export const getValidatorsData = async (api: ApiPromise, network: string) => {
   try {
     const cacheData = await validatorStakingInfoCache.get(network)
 
@@ -142,7 +144,7 @@ export const getValidatorsData = async (api: any, network: string) => {
     const waitingInfo = await api.derive.staking.waitingInfo()
     const activeEra = await api.query.staking.activeEra()
 
-    const era = activeEra.toJSON().index
+    const era = (activeEra.toJSON() as any).index
 
     const baseInfo = mergeValidatorsInfo(api, electedInfo, waitingInfo)
 
@@ -158,22 +160,27 @@ export const getValidatorsData = async (api: any, network: string) => {
       info,
       loading: false
     })
-  } catch {
+  } catch (e) {
     await validatorStakingInfoCache.set(network, {
       info: undefined,
       loading: false
     })
+
+    log.error('Error getting validators data by netwrok', network, e)
   }
 }
 
 export const getValidatorsDataByRelayChains = async (apis: Connections) => {
-  relayChains.forEach((network: string) => {
+  const promise = relayChains.map(async (network: string) => {
     const api = apis.wsApis?.[network]
     // const api = apis.mixedApis?.[network]
 
     if (!api) return
-    getValidatorsData(api, network)
+
+    await getValidatorsData(api, network)
   })
+
+  await Promise.all(promise)
 }
 
 export const getValidatorsList = async ({ apis, network }: ValidatorStakingProps) => {
@@ -186,7 +193,7 @@ export const getValidatorsList = async ({ apis, network }: ValidatorStakingProps
   const forceUpdate = needUpdate && (await needUpdate())
   const cacheData = await validatorStakingInfoCache.get(network)
 
-  if (!cacheData || forceUpdate) {
+  if (!cacheData?.info || forceUpdate) {
     getValidatorsData(api, network)
   }