diff --git a/src/components/IPv6Support.tsx b/src/components/IPv6Support.tsx
index 20c6216..932cf6a 100644
--- a/src/components/IPv6Support.tsx
+++ b/src/components/IPv6Support.tsx
@@ -1,14 +1,16 @@
 import { useProxies } from '~/signals'
+import { proxyIPv6SupportMap } from '~/signals/ipv6'
 
-export const IPv6Support = (props: { name?: string }) => {
-  const { proxyIPv6SupportMap } = useProxies()
-  const support = createMemo(() => proxyIPv6SupportMap()[props.name!] === true)
+export const IPv6Support = (props: { name?: string; class?: string }) => {
+  const { getNowProxyNodeName } = useProxies()
+
+  const support = createMemo(() => {
+    return proxyIPv6SupportMap()[getNowProxyNodeName(props.name || '')]
+  })
 
   return (
     <Show when={support()}>
-      <span class="badge badge-sm p-px">
-        <span class="scale-75">IPv6</span>
-      </span>
+      <span class={`scale-75 ${props.class}`}>IPv6</span>
     </Show>
   )
 }
diff --git a/src/components/Latency.tsx b/src/components/Latency.tsx
index 55bffab..dd042d9 100644
--- a/src/components/Latency.tsx
+++ b/src/components/Latency.tsx
@@ -4,9 +4,11 @@ import { latencyQualityMap, useProxies } from '~/signals'
 
 export const Latency = (props: { name?: string; class?: string }) => {
   const [t] = useI18n()
-  const { latencyMap } = useProxies()
+  const { getNowProxyNodeName, latencyMap } = useProxies()
   const [textClassName, setTextClassName] = createSignal('')
-  const latency = createMemo(() => latencyMap()[props.name!])
+  const latency = createMemo(() => {
+    return latencyMap()[getNowProxyNodeName(props.name || '')]
+  })
 
   createEffect(() => {
     setTextClassName('text-success')
diff --git a/src/signals/connections.ts b/src/signals/connections.ts
index a569a3c..cdc7baf 100644
--- a/src/signals/connections.ts
+++ b/src/signals/connections.ts
@@ -9,8 +9,10 @@ export type WsMsg = {
   downloadTotal: number
 } | null
 
+// DIRECT is from clash
+// direct and dns-out is from the example of sing-box official site
 export const [quickFilterRegex, setQuickFilterRegex] = makePersisted(
-  createSignal<string>('Direct|direct|dns-out'),
+  createSignal<string>('DIRECT|direct|dns-out'),
   {
     name: 'quickFilterRegex',
     storage: localStorage,
diff --git a/src/signals/ipv6.ts b/src/signals/ipv6.ts
new file mode 100644
index 0000000..009b77e
--- /dev/null
+++ b/src/signals/ipv6.ts
@@ -0,0 +1,66 @@
+import { proxyGroupLatencyTestAPI, proxyLatencyTestAPI } from '~/apis'
+import {
+  latencyQualityMap,
+  latencyTestTimeoutDuration,
+  urlForIPv6SupportTest,
+} from './config'
+
+export const [proxyIPv6SupportMap, setProxyIPv6SupportMap] = createSignal<
+  Record<string, boolean>
+>({})
+
+export const proxyIPv6SupportTest = async (
+  proxyName: string,
+  provider: string,
+) => {
+  const urlForTest = urlForIPv6SupportTest()
+
+  if (!urlForTest || urlForTest.length === 0) {
+    setProxyIPv6SupportMap({})
+
+    return
+  }
+
+  let support = false
+  try {
+    const { delay } = await proxyLatencyTestAPI(
+      proxyName,
+      provider,
+      urlForTest,
+      latencyTestTimeoutDuration(),
+    )
+    support = delay > latencyQualityMap().NOT_CONNECTED
+  } catch {
+    support = false
+  }
+  setProxyIPv6SupportMap((supportMap) => ({
+    ...supportMap,
+    [proxyName]: support,
+  }))
+}
+
+export const proxyGroupIPv6SupportTest = async (proxyGroupName: string) => {
+  const urlForTest = urlForIPv6SupportTest()
+
+  if (!urlForTest || urlForTest.length === 0) {
+    setProxyIPv6SupportMap({})
+
+    return
+  }
+
+  const newLatencyMap = await proxyGroupLatencyTestAPI(
+    proxyGroupName,
+    urlForTest,
+    latencyTestTimeoutDuration(),
+  )
+  const newSupportMap = Object.fromEntries(
+    Object.entries(newLatencyMap).map(([k, v]) => [
+      k,
+      v > latencyQualityMap().NOT_CONNECTED,
+    ]),
+  )
+  setProxyIPv6SupportMap((supportMap) => ({
+    ...supportMap,
+    ...newSupportMap,
+  }))
+}
diff --git a/src/signals/proxies.ts b/src/signals/proxies.ts
index dac9930..5eac5ab 100644
--- a/src/signals/proxies.ts
+++ b/src/signals/proxies.ts
@@ -19,6 +19,12 @@ import {
   urlForLatencyTest,
 } from '~/signals'
 import type { Proxy, ProxyNode, ProxyProvider } from '~/types'
+import {
+  proxyGroupIPv6SupportTest,
+  proxyIPv6SupportMap,
+  proxyIPv6SupportTest,
+  setProxyIPv6SupportMap,
+} from './ipv6'
 
 type ProxyInfo = {
   name: string
@@ -58,13 +64,32 @@ const [proxyProviders, setProxyProviders] = createSignal<
 >([])
 
 const [latencyMap, setLatencyMap] = createSignal<Record<string, number>>({})
-const [proxyIPv6SupportMap, setProxyIPv6SupportMap] = createSignal<
-  Record<string, boolean>
->({})
 const [proxyNodeMap, setProxyNodeMap] = createSignal<Record<string, ProxyInfo>>(
   {},
 )
 
+const getLatencyFromProxy = (
+  proxy: Pick<Proxy, 'extra' | 'history'>,
+  url: string,
+  fallbackDefault = true,
+) => {
+  const extra = proxy.extra?.[url] as Proxy['history'] | undefined
+
+  if (Array.isArray(extra)) {
+    const delay = extra.at(-1)?.delay
+
+    if (delay) {
+      return delay
+    }
+  }
+
+  if (!fallbackDefault) {
+    return latencyQualityMap().NOT_CONNECTED
+  }
+
+  return proxy.history?.at(-1)?.delay ?? latencyQualityMap().NOT_CONNECTED
+}
+
 const setProxiesInfo = (
   proxies: (ProxyWithProvider | ProxyNodeWithProvider)[],
 ) => {
@@ -72,68 +97,21 @@ const setProxiesInfo = (
   const newLatencyMap = { ...latencyMap() }
   const newProxyIPv6SupportMap = { ...proxyIPv6SupportMap() }
 
-  const lastDelay = (
-    proxy: Pick<Proxy, 'extra' | 'history'>,
-    url: string,
-    fallbackDefault = true,
-  ) => {
-    const extra = proxy.extra?.[url] as Proxy['history'] | undefined
-
-    if (Array.isArray(extra)) {
-      const delay = extra.at(-1)?.delay
-
-      if (delay) {
-        return delay
-      }
-    }
-
-    if (!fallbackDefault) {
-      return undefined
-    }
-
-    return proxy.history?.at(-1)?.delay
-  }
-
-  const dependedLatencyProxies = {} as Record<string, Set<string>>
-
   proxies.forEach((proxy) => {
     const { udp, xudp, type, now, name, provider = '' } = proxy
+
     newProxyNodeMap[proxy.name] = { udp, xudp, type, now, name, provider }
+    newLatencyMap[proxy.name] = getLatencyFromProxy(proxy, urlForLatencyTest())
 
-    // to solve the problem of the ProxyGroup cannot obtain the latency of the currently used proxy node
-    // it seems that only clash.core and clash.premium have issues
-    if (!now) {
-      newLatencyMap[proxy.name] =
-        lastDelay(proxy, urlForLatencyTest()) ||
-        latencyQualityMap().NOT_CONNECTED
-    } else if (newLatencyMap[now] !== undefined) {
-      newLatencyMap[proxy.name] = newLatencyMap[now]
-    } else {
-      const dependencies = dependedLatencyProxies[now] ?? new Set()
-      dependencies.add(proxy.name)
-      dependedLatencyProxies[now] = dependencies
+    // we don't set it when false because sing-box didn't have "extra" so it will always be false
+    if (
+      getLatencyFromProxy(proxy, urlForIPv6SupportTest(), false) >
+      latencyQualityMap().NOT_CONNECTED
+    ) {
+      newProxyIPv6SupportMap[proxy.name] = true
     }
-
-    const proxyIPv6Support =
-      (lastDelay(proxy, urlForIPv6SupportTest(), false) ?? 0) > 0
-    newProxyIPv6SupportMap[proxy.name] = proxyIPv6Support
   })
 
-  const independencies = Object.keys(dependedLatencyProxies).filter(
-    (now) => newLatencyMap[now] !== undefined,
-  )
-
-  // maybe we should use Union-Find to implement this
-  while (independencies.length > 0) {
-    const now = independencies.shift()!
-    const delay = newLatencyMap[now]!
-
-    for (const name of dependedLatencyProxies[now]?.values() ?? []) {
-      newLatencyMap[name] = delay
-      independencies.push(name)
-    }
-  }
-
   batch(() => {
     setProxyNodeMap(newProxyNodeMap)
     setLatencyMap(newLatencyMap)
@@ -206,58 +184,9 @@ export const useProxies = () => {
     }
   }
 
-  const proxyIPv6SupportTest = async (proxyName: string, provider: string) => {
-    const urlForTest = urlForIPv6SupportTest()
-
-    if (!urlForTest || urlForTest.length === 0) {
-      setProxyIPv6SupportMap({})
-
-      return
-    }
-
-    let support = false
-    try {
-      const { delay } = await proxyLatencyTestAPI(
-        proxyName,
-        provider,
-        urlForTest,
-        latencyTestTimeoutDuration(),
-      )
-      support = delay > 0
-    } catch {
-      support = false
-    }
-    setProxyIPv6SupportMap((supportMap) => ({
-      ...supportMap,
-      [proxyName]: support,
-    }))
-  }
-  const proxyGroupIPv6SupportTest = async (proxyGroupName: string) => {
-    const urlForTest = urlForIPv6SupportTest()
-
-    if (!urlForTest || urlForTest.length === 0) {
-      setProxyIPv6SupportMap({})
-
-      return
-    }
-
-    const newLatencyMap = await proxyGroupLatencyTestAPI(
-      proxyGroupName,
-      urlForTest,
-      latencyTestTimeoutDuration(),
-    )
-    const newSupportMap = Object.fromEntries(
-      Object.entries(newLatencyMap).map(([k, v]) => [k, v > 0]),
-    )
-    setProxyIPv6SupportMap((supportMap) => ({
-      ...supportMap,
-      ...newSupportMap,
-    }))
-  }
-
   const proxyLatencyTest = async (proxyName: string, provider: string) => {
-    await proxyIPv6SupportTest(proxyName, provider)
     setProxyLatencyTestingMap(proxyName, async () => {
+      await proxyIPv6SupportTest(proxyName, provider)
       const { delay } = await proxyLatencyTestAPI(
         proxyName,
         provider,
@@ -273,19 +202,13 @@ export const useProxies = () => {
   }
 
   const proxyGroupLatencyTest = async (proxyGroupName: string) => {
-    await proxyGroupIPv6SupportTest(proxyGroupName)
     setProxyGroupLatencyTestingMap(proxyGroupName, async () => {
-      const newLatencyMap = await proxyGroupLatencyTestAPI(
+      await proxyGroupIPv6SupportTest(proxyGroupName)
+      await proxyGroupLatencyTestAPI(
         proxyGroupName,
         urlForLatencyTest(),
         latencyTestTimeoutDuration(),
       )
-
-      setLatencyMap((latencyMap) => ({
-        ...latencyMap,
-        ...newLatencyMap,
-      }))
-
       await fetchProxies()
     })
   }
@@ -320,8 +243,21 @@ export const useProxies = () => {
       await fetchProxies()
     })
 
+  const getNowProxyNodeName = (name: string) => {
+    let node = proxyNodeMap()[name]
+
+    if (!name || !node) {
+      return name
+    }
+
+    while (node.now && node.now !== node.name) {
+      node = proxyNodeMap()[node.now]
+    }
+
+    return node.name
+  }
+
   return {
-    proxyIPv6SupportMap,
     proxyLatencyTestingMap,
     proxyGroupLatencyTestingMap,
     proxyProviderLatencyTestingMap,
@@ -339,5 +275,6 @@ export const useProxies = () => {
     updateProviderByProviderName,
     updateAllProvider,
     proxyProviderLatencyTest,
+    getNowProxyNodeName,
   }
 }