diff --git a/console/ai-proxy-dashboard/src/components/ui/toast.tsx b/console/ai-proxy-dashboard/src/components/ui/toast.tsx
new file mode 100644
index 0000000..092b151
--- /dev/null
+++ b/console/ai-proxy-dashboard/src/components/ui/toast.tsx
@@ -0,0 +1,143 @@
+import { useEffect, useState, useSyncExternalStore } from "react"
+import { createPortal } from "react-dom"
+import { CheckCircle2, Info, X, XCircle } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+type ToastVariant = "default" | "success" | "error"
+
+type ToastItem = {
+  id: number
+  message: string
+  variant: ToastVariant
+  duration: number
+}
+
+type ToastOptions = {
+  variant?: ToastVariant
+  duration?: number
+}
+
+let toasts: ToastItem[] = []
+let nextId = 1
+const listeners = new Set<() => void>()
+
+function emit() {
+  for (const listener of listeners) listener()
+}
+
+function subscribe(listener: () => void) {
+  listeners.add(listener)
+  return () => {
+    listeners.delete(listener)
+  }
+}
+
+function getSnapshot() {
+  return toasts
+}
+
+function dismiss(id: number) {
+  toasts = toasts.filter((item) => item.id !== id)
+  emit()
+}
+
+function push(message: string, options: ToastOptions = {}) {
+  const id = nextId++
+  const item: ToastItem = {
+    id,
+    message,
+    variant: options.variant ?? "default",
+    duration: options.duration ?? 3000,
+  }
+  // Keep at most a few visible at once.
+  toasts = [...toasts, item].slice(-4)
+  emit()
+  return id
+}
+
+type ToastFn = ((message: string, options?: ToastOptions) => number) & {
+  success: (message: string, options?: ToastOptions) => number
+  error: (message: string, options?: ToastOptions) => number
+  dismiss: (id: number) => void
+}
+
+export const toast: ToastFn = Object.assign(
+  (message: string, options?: ToastOptions) => push(message, options),
+  {
+    success: (message: string, options?: ToastOptions) =>
+      push(message, { ...options, variant: "success" }),
+    error: (message: string, options?: ToastOptions) =>
+      push(message, { ...options, variant: "error" }),
+    dismiss,
+  }
+)
+
+const variantStyles: Record<ToastVariant, { icon: typeof Info; className: string; iconClassName: string }> = {
+  default: {
+    icon: Info,
+    className: "border-border bg-popover text-popover-foreground",
+    iconClassName: "text-muted-foreground",
+  },
+  success: {
+    icon: CheckCircle2,
+    className: "border-border bg-popover text-popover-foreground",
+    iconClassName: "text-primary",
+  },
+  error: {
+    icon: XCircle,
+    className: "border-destructive/30 bg-popover text-popover-foreground",
+    iconClassName: "text-destructive",
+  },
+}
+
+function ToastCard({ item }: { item: ToastItem }) {
+  useEffect(() => {
+    const timer = window.setTimeout(() => dismiss(item.id), item.duration)
+    return () => window.clearTimeout(timer)
+  }, [item.id, item.duration])
+
+  const { icon: Icon, className, iconClassName } = variantStyles[item.variant]
+
+  return (
+    <div
+      role="status"
+      className={cn(
+        "pointer-events-auto flex w-[320px] max-w-[calc(100vw-2rem)] items-start gap-2.5 rounded-lg border px-3 py-2.5 text-xs shadow-lg",
+        "animate-in fade-in slide-in-from-bottom-2 duration-200",
+        className
+      )}
+    >
+      <Icon className={cn("mt-px size-4 shrink-0", iconClassName)} />
+      <span className="flex-1 leading-relaxed">{item.message}</span>
+      <button
+        type="button"
+        aria-label="Dismiss"
+        onClick={() => dismiss(item.id)}
+        className="-mr-1 -mt-0.5 rounded-md p-0.5 text-muted-foreground transition-colors hover:text-foreground"
+      >
+        <X className="size-3.5" />
+      </button>
+    </div>
+  )
+}
+
+export function Toaster() {
+  const items = useSyncExternalStore(subscribe, getSnapshot, getSnapshot)
+  const [mounted, setMounted] = useState(false)
+
+  useEffect(() => {
+    setMounted(true)
+  }, [])
+
+  if (!mounted) return null
+
+  return createPortal(
+    <div className="pointer-events-none fixed bottom-4 right-4 z-[100] flex flex-col gap-2">
+      {items.map((item) => (
+        <ToastCard key={item.id} item={item} />
+      ))}
+    </div>,
+    document.body
+  )
+}
diff --git a/console/ai-proxy-dashboard/src/features/dashboard/components/detail-view.tsx b/console/ai-proxy-dashboard/src/features/dashboard/components/detail-view.tsx
index 075b8ad..b3385cc 100644
--- a/console/ai-proxy-dashboard/src/features/dashboard/components/detail-view.tsx
+++ b/console/ai-proxy-dashboard/src/features/dashboard/components/detail-view.tsx
@@ -22,6 +22,7 @@ import {
   TabsTrigger,
 } from "@/components/ui/tabs"
 import { Textarea } from "@/components/ui/textarea"
+import { toast } from "@/components/ui/toast"
 import { PayloadPanel } from "@/features/dashboard/components/payload-panel"
 import type { ConsoleRequestDetail } from "@/features/dashboard/types"
 import {
@@ -354,7 +355,10 @@ export function DetailView({
             type="button"
             className="text-[11.5px] font-semibold text-primary hover:underline"
             onClick={() => {
-              void navigator.clipboard?.writeText(JSON.stringify(record, null, 2))
+              navigator.clipboard
+                ?.writeText(JSON.stringify(record, null, 2))
+                .then(() => toast.success(t("common.copied")))
+                .catch(() => toast.error(t("common.copyFailed")))
             }}
           >
             {t("detail.copy")}
diff --git a/console/ai-proxy-dashboard/src/features/dashboard/components/keys-page.tsx b/console/ai-proxy-dashboard/src/features/dashboard/components/keys-page.tsx
index 6cc7e09..c447c64 100644
--- a/console/ai-proxy-dashboard/src/features/dashboard/components/keys-page.tsx
+++ b/console/ai-proxy-dashboard/src/features/dashboard/components/keys-page.tsx
@@ -23,6 +23,7 @@ import { Field, FieldContent, FieldDescription, FieldLabel } from "@/components/
 import { Input } from "@/components/ui/input"
 import { Combobox } from "@/components/ui/combobox"
 import { Skeleton } from "@/components/ui/skeleton"
+import { toast } from "@/components/ui/toast"
 import { createKey, deleteKey, fetchKeys, fetchModels, getKey, renameKey, setKeyAllowedModels, setKeyCostQuota } from "@/features/dashboard/api"
 import type { GatewayModel, ManagedApiKey, ManagedApiKeyDetail } from "@/features/dashboard/types"
 import { formatCost } from "@/features/dashboard/utils"
@@ -51,7 +52,6 @@ export function KeysPage({
   const { t } = useTranslation()
   const [keys, setKeys] = useState<ManagedApiKey[] | null>(null)
   const [error, setError] = useState("")
-  const [feedback, setFeedback] = useState("")
   const [createOpen, setCreateOpen] = useState(false)
   const [renameOpen, setRenameOpen] = useState(false)
   const [modelsOpen, setModelsOpen] = useState(false)
@@ -76,8 +76,7 @@ export function KeysPage({
   const [modelsModelSelect, setModelsModelSelect] = useState("")
 
   const showFeedback = (message: string) => {
-    setFeedback(message)
-    window.setTimeout(() => setFeedback(""), 1800)
+    toast.success(message)
   }
 
   const handleUnauthorized = (message: string) => {
@@ -344,13 +343,6 @@ export function KeysPage({
         </Alert>
       ) : null}
 
-      {feedback ? (
-        <Alert>
-          <AlertTitle>{t("common.done")}</AlertTitle>
-          <AlertDescription>{feedback}</AlertDescription>
-        </Alert>
-      ) : null}
-
       {keys === null ? (
         <div className="space-y-3">
           {Array.from({ length: 4 }).map((_, index) => (
@@ -421,7 +413,8 @@ export function KeysPage({
                     onClick={async () => {
                       const detail = await getKey(key.id)
                       const copied = await copyText(detail.key)
-                      showFeedback(copied ? t("keys.keyCopied") : t("keys.copyFailed"))
+                      if (copied) toast.success(t("keys.keyCopied"))
+                      else toast.error(t("keys.copyFailed"))
                     }}
                   >
                     <Copy className="h-3.5 w-3.5" />
@@ -660,7 +653,8 @@ export function KeysPage({
             <Button type="button" variant="outline" onClick={async () => {
               if (!visibleKey?.key) return
               const copied = await copyText(visibleKey.key)
-              showFeedback(copied ? t("keys.keyCopied") : t("keys.copyFailed"))
+              if (copied) toast.success(t("keys.keyCopied"))
+              else toast.error(t("keys.copyFailed"))
             }}>
               <Copy data-icon="inline-start" />{t("keys.copyKey")}
             </Button>
diff --git a/console/ai-proxy-dashboard/src/features/dashboard/components/providers-page.tsx b/console/ai-proxy-dashboard/src/features/dashboard/components/providers-page.tsx
index 72a5055..3442883 100644
--- a/console/ai-proxy-dashboard/src/features/dashboard/components/providers-page.tsx
+++ b/console/ai-proxy-dashboard/src/features/dashboard/components/providers-page.tsx
@@ -57,6 +57,7 @@ import {
 } from "@/components/ui/select"
 import { Separator } from "@/components/ui/separator"
 import { Skeleton } from "@/components/ui/skeleton"
+import { toast } from "@/components/ui/toast"
 import { Textarea } from "@/components/ui/textarea"
 import {
   createProvider,
@@ -1748,7 +1749,10 @@ export function ProvidersPage({
               <Button
                 type="button"
                 onClick={() => {
-                  navigator.clipboard.writeText(configJson).catch(() => {})
+                  navigator.clipboard
+                    .writeText(configJson)
+                    .then(() => toast.success(t("common.copied")))
+                    .catch(() => toast.error(t("common.copyFailed")))
                 }}
               >
                 <Copy data-icon="inline-start" />
diff --git a/console/ai-proxy-dashboard/src/i18n/locales/en.ts b/console/ai-proxy-dashboard/src/i18n/locales/en.ts
index 898d9ed..c695ced 100644
--- a/console/ai-proxy-dashboard/src/i18n/locales/en.ts
+++ b/console/ai-proxy-dashboard/src/i18n/locales/en.ts
@@ -15,6 +15,8 @@ export default {
     deleting: "Deleting...",
     loading: "Loading...",
     copy: "Copy",
+    copied: "Copied",
+    copyFailed: "Copy failed, please copy manually",
     help: "Help",
     viewLogs: "View Logs",
     clearFilters: "Clear Filters",
diff --git a/console/ai-proxy-dashboard/src/i18n/locales/zh.ts b/console/ai-proxy-dashboard/src/i18n/locales/zh.ts
index efc8371..2a79a70 100644
--- a/console/ai-proxy-dashboard/src/i18n/locales/zh.ts
+++ b/console/ai-proxy-dashboard/src/i18n/locales/zh.ts
@@ -15,6 +15,8 @@ export default {
     deleting: "删除中...",
     loading: "加载中...",
     copy: "复制",
+    copied: "已复制",
+    copyFailed: "复制失败，请手动复制",
     help: "帮助",
     viewLogs: "查看日志",
     clearFilters: "清空筛选",
diff --git a/console/ai-proxy-dashboard/src/main.tsx b/console/ai-proxy-dashboard/src/main.tsx
index 26fd874..9dd8759 100644
--- a/console/ai-proxy-dashboard/src/main.tsx
+++ b/console/ai-proxy-dashboard/src/main.tsx
@@ -4,9 +4,11 @@ import { createRoot } from "react-dom/client"
 import "@/i18n"
 import "./index.css"
 import App from "./App.tsx"
+import { Toaster } from "@/components/ui/toast"
 
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <App />
+    <Toaster />
   </StrictMode>
 )