diff --git a/src/components/Delay.tsx b/src/components/Delay.tsx
index 014b1de..999d8ce 100644
--- a/src/components/Delay.tsx
+++ b/src/components/Delay.tsx
@@ -1,21 +1,33 @@
+import { Show, createEffect, createMemo, createSignal } from 'solid-js'
 import { DELAY } from '~/config/enum'
+import { useProxies } from '~/signals/proxies'
 
-const Delay = (props: { delay: number | undefined }) => {
-  const delay = props.delay
+const Delay = (props: { name?: string }) => {
+  const { proxyNodeMap } = useProxies()
+  const [textClassName, setTextClassName] = createSignal('')
+  const delay = createMemo(() => {
+    return proxyNodeMap()[props.name!]?.delay!
+  })
 
-  if (typeof delay !== 'number' || delay === DELAY.NOT_CONNECTED) {
-    return ''
-  }
+  createEffect(() => {
+    setTextClassName('text-success')
 
-  let textClassName = 'text-success'
+    if (delay() > DELAY.HIGH) {
+      setTextClassName('text-error')
+    } else if (delay() > DELAY.MEDIUM) {
+      setTextClassName('text-warning')
+    }
+  })
 
-  if (delay > DELAY.HIGH) {
-    textClassName = 'text-error'
-  } else if (delay > DELAY.MEDIUM) {
-    textClassName = 'text-warning'
-  }
-
-  return <span class={textClassName}>{delay}ms</span>
+  return (
+    <>
+      <Show
+        when={typeof delay() === 'number' && delay() !== DELAY.NOT_CONNECTED}
+      >
+        <span class={textClassName()}>{delay()}ms</span>
+      </Show>
+    </>
+  )
 }
 
 export default Delay
diff --git a/src/components/ProxyNodeCard.tsx b/src/components/ProxyNodeCard.tsx
index e671c63..770a1b9 100644
--- a/src/components/ProxyNodeCard.tsx
+++ b/src/components/ProxyNodeCard.tsx
@@ -44,7 +44,7 @@ export default (props: {
           {proxyNode()?.udp && ' :: udp'}
         </div>
         <div class="text-xs">
-          <Delay delay={proxyNode()?.delay} />
+          <Delay name={props.proxyName} />
         </div>
       </div>
     </div>
diff --git a/src/components/ProxyPreviewBar.tsx b/src/components/ProxyPreviewBar.tsx
index 9f6ac82..8029a40 100644
--- a/src/components/ProxyPreviewBar.tsx
+++ b/src/components/ProxyPreviewBar.tsx
@@ -1,3 +1,4 @@
+import { createMemo } from 'solid-js'
 import { twMerge } from 'tailwind-merge'
 import Delay from '~/components/Delay'
 import { DELAY } from '~/config/enum'
@@ -5,18 +6,32 @@ import { useProxies } from '~/signals/proxies'
 
 export default (props: { proxyNameList: string[]; now?: string }) => {
   const { proxyNodeMap } = useProxies()
-  const allNodesDelay = props.proxyNameList.map((i) => proxyNodeMap()[i].delay!)
-  const all = allNodesDelay.length
-  const good = allNodesDelay.filter(
-    (delay) => delay > DELAY.NOT_CONNECTED && delay <= DELAY.MEDIUM,
-  ).length
-  const middle = allNodesDelay.filter(
-    (delay) => delay > DELAY.MEDIUM && delay <= DELAY.HIGH,
-  ).length
-  const slow = allNodesDelay.filter((delay) => delay > DELAY.HIGH).length
-  const notConnected = allNodesDelay.filter(
-    (delay) => delay === DELAY.NOT_CONNECTED || typeof delay !== 'number',
-  ).length
+  const delayList = createMemo(() =>
+    props.proxyNameList.map((i) => proxyNodeMap()[i].delay!),
+  )
+  const all = createMemo(() => delayList().length)
+  const good = createMemo(
+    () =>
+      delayList().filter(
+        (delay) => delay > DELAY.NOT_CONNECTED && delay <= DELAY.MEDIUM,
+      ).length,
+  )
+  const middle = createMemo(
+    () =>
+      delayList().filter((delay) => delay > DELAY.MEDIUM && delay <= DELAY.HIGH)
+        .length,
+  )
+  const slow = createMemo(
+    () => delayList().filter((delay) => delay > DELAY.HIGH).length,
+  )
+  const notConnected = createMemo(
+    () =>
+      delayList().filter(
+        (delay) => delay === DELAY.NOT_CONNECTED || typeof delay !== 'number',
+      ).length,
+  )
+
+  console.log(good())
 
   return (
     <div class="flex w-full items-center">
@@ -24,30 +39,30 @@ export default (props: { proxyNameList: string[]; now?: string }) => {
         <div
           class={twMerge('h-2 bg-success')}
           style={{
-            width: `${(good * 100) / all}%`, // cant use tw class cause dynamic classname wont import
+            width: `${(good() * 100) / all()}%`, // cant use tw class cause dynamic classname wont import
           }}
         ></div>
         <div
           class={twMerge('h-2 bg-warning')}
           style={{
-            width: `${(middle * 100) / all}%`,
+            width: `${(middle() * 100) / all()}%`,
           }}
         ></div>
         <div
           class={twMerge('h-2 bg-error')}
           style={{
-            width: `${(slow * 100) / all}%`,
+            width: `${(slow() * 100) / all()}%`,
           }}
         ></div>
         <div
           class={twMerge('h-2 bg-neutral')}
           style={{
-            width: `${(notConnected * 100) / all}%`,
+            width: `${(notConnected() * 100) / all()}%`,
           }}
         ></div>
       </div>
-      <div class="ml-4 text-xs">
-        <Delay delay={proxyNodeMap()[props.now!]?.delay} />
+      <div class="ml-3 w-8 text-xs">
+        <Delay name={props.now} />
       </div>
     </div>
   )