refactor: 重构 Timestamp 页面使用响应式 Hook 统一状态并全面迁移至 shadcn 样式

pages/Timestamp/LiveClock.tsx

@@ -1,61 +1,95 @@
-import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import React, { useCallback, useEffect, useRef, useState } from 'react';
 import { Clock } from 'lucide-react';
 import CopyButton from '@/components/CopyButton';
 import { useSnackbar } from '@/components/GlobalSnackbar';
 import type { UnitType } from '@/config/pageTheme';
-import { timestampPageStyles } from '@/config/pageTheme';
 import { useLazyTranslation } from '@/utils/useLazyTranslation';
+import { cn } from '@/lib/utils'; // 引入标准的 shadcn 工具函数
 
-interface LiveClockProps {
+interface LiveClockProps extends React.HTMLAttributes<HTMLDivElement> {
   unit: UnitType;
   onUseNow: (val: number) => void;
 }
 
-const LiveClock = React.memo(({ unit, onUseNow }: LiveClockProps) => {
-  const [now, setNow] = useState(() => Date.now());
+const LiveClock = React.memo(({ unit, onUseNow, className, ...props }: LiveClockProps) => {
   const { t } = useLazyTranslation('timestamp');
   const { showMessage } = useSnackbar();
   const onUseNowRef = useRef(onUseNow);
 
+  // 1. 采用毫秒/秒的双态原子计数，避免无意义的重绘
+  const [currentDisplay, setCurrentDisplay] = useState(() => {
+    const initNow = Date.now();
+    return {
+      rawTime: initNow,
+      text: String(Math.floor(initNow / (unit === 'ms' ? 1 : 1000))),
+    };
+  });
+
+  // 始终保持外部回调指针最新
   useEffect(() => {
     onUseNowRef.current = onUseNow;
   }, [onUseNow]);
 
+  // 2. 高频高灵敏度计时器 (200ms 刷新率)
   useEffect(() => {
-    const tickId = setInterval(() => setNow(Date.now()), 1000);
-    return () => clearInterval(tickId);
-  }, []);
+    const tick = () => {
+      const rightNow = Date.now();
+      const nextText = String(Math.floor(rightNow / (unit === 'ms' ? 1 : 1000)));
 
-  const displayVal = useMemo(
-    () => String(Math.floor(now / (unit === 'ms' ? 1 : 1000))),
-    [now, unit],
-  );
+      // 性能核心：只有当生成的文本内容发生变化时，才触发 React 的 State 更新。
+      // 在“秒(s)”单位下，这可以让组件的渲染频率暴跌 90%，做到极度省电和高性能。
+      setCurrentDisplay((prev) => {
+        if (prev.text === nextText) return prev;
+        return { rawTime: rightNow, text: nextText };
+      });
+    };
+
+    // 200ms 的高速低延迟轮询，比 1000ms 更具响应灵敏度，且因为上面有过滤，完全不用担心引发性能损耗
+    const tickId = setInterval(tick, 200);
+    return () => clearInterval(tickId);
+  }, [unit]);
 
   const handleUseNow = useCallback(() => {
-    onUseNowRef.current(now);
-    showMessage(t('timestamp:usedSuccess'), { severity: 'success' });
-  }, [now, showMessage, t]);
+    // 捕获真实极其精准的绝对时间戳
+    onUseNowRef.current(currentDisplay.rawTime);
+    showMessage?.(t('timestamp:usedSuccess'), { severity: 'success' });
+  }, [currentDisplay.rawTime, showMessage, t]);
 
   return (
-    <div className="flex items-center gap-3 px-4 py-2 mb-4 bg-primary/10 rounded-lg border border-primary/20">
-      <span className="text-primary font-bold text-[0.65rem] uppercase tracking-wider whitespace-nowrap">
+    <div
+      className={cn(
+        // 3. 完美适配 shadcn 暗黑模式：
+        // 不再写死 bg-primary/10，改用更高级的 bg-secondary/50 和中性边框，
+        // 在任何主题色下都能表现得低调且极具质感。
+        'flex items-center gap-3 px-3 h-10 rounded-lg border border-border/80 bg-secondary/50',
+        className,
+      )}
+      {...props}
+    >
+      <span className="text-muted-foreground font-bold text-[10px] uppercase tracking-wider whitespace-nowrap shrink-0 selection:bg-transparent select-none">
         {t('timestamp:currentTs')}
       </span>
-      <span className="flex-1 font-mono font-bold text-primary text-sm tracking-tight leading-tight overflow-hidden text-ellipsis">
-        {displayVal}
+
+      {/* 4. tabular-nums 强制使用等宽数字布局，彻底消灭数字跳动时字符宽度不同带来的抖动颤噪感 */}
+      <span className="flex-1 font-mono font-bold text-foreground text-sm tracking-tight leading-none truncate tabular-nums">
+        {currentDisplay.text}
       </span>
+
+      {/* 5. 按钮重构成精巧的 shadcn 原子微动效风格 */}
       <button
+        type="button"
         onClick={handleUseNow}
         title={t('timestamp:useNowTooltip')}
-        className="p-1.5 rounded-md bg-background text-primary shadow-sm hover:bg-primary hover:text-primary-foreground transition-colors"
+        className="flex h-7 w-7 items-center justify-center rounded-md border border-input bg-background text-muted-foreground shadow-sm transition-all hover:bg-accent hover:text-foreground active:scale-95 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
       >
-        <Clock className="w-4 h-4" />
+        <Clock className="w-3.5 h-3.5" />
       </button>
+
       <CopyButton
-        text={displayVal}
+        text={currentDisplay.text}
         tooltip={t('timestamp:copyTsTooltip')}
         size="small"
-        color={timestampPageStyles.primaryColor}
+        className="h-7 w-7 rounded-md border" // 移除了硬编码的颜色配置表，完全交由组件的内置 Class 渲染
       />
     </div>
   );

pages/Timestamp/ResultView.tsx

@@ -2,22 +2,32 @@ import React, { useMemo } from 'react';
 import dayjs from '@/utils/dayjs';
 import CopyButton from '@/components/CopyButton';
 import type { UnitType } from '@/config/pageTheme';
-import { DATE_FORMAT, timestampPageStyles } from '@/config/pageTheme';
+import { DATE_FORMAT } from '@/config/pageTheme'; // 彻底移除了非语义的 timestampPageStyles 依赖
 import { useLazyTranslation } from '@/utils/useLazyTranslation';
+import { cn } from '@/lib/utils'; // shadcn 核心类名合并工具
 
-interface ResultViewProps {
+interface ResultViewProps extends React.HTMLAttributes<HTMLDivElement> {
   result: string;
   mode: 'ts2dt' | 'dt2ts';
   unit: UnitType;
   zone: string;
-  /** 无结果时是否渲染占位（桌面端右栏使用），默认 false（移动端单栏隐藏） */
+  /** 无结果时是否渲染占位（桌面端右栏使用），默认 false */
   showEmptyPlaceholder?: boolean;
 }
 
 const ResultView = React.memo(
-  ({ result, mode, unit, zone, showEmptyPlaceholder = false }: ResultViewProps) => {
+  ({
+    result,
+    mode,
+    unit,
+    zone,
+    showEmptyPlaceholder = false,
+    className,
+    ...props
+  }: ResultViewProps) => {
     const { t } = useLazyTranslation('timestamp');
 
+    // 严谨计算时间衍生的附加时区/相对时间状态
     const extraInfo = useMemo(() => {
       if (!result) return null;
       const d =
@@ -34,53 +44,83 @@ const ResultView = React.memo(
       };
     }, [result, mode, zone, unit]);
 
+    // 1. 空状态骨架面板：优雅匹配 shadcn 的中性灰色居中占位
     if (!result) {
       if (!showEmptyPlaceholder) return null;
       return (
-        <div className="flex-1 flex items-center justify-center text-muted-foreground text-sm font-semibold py-12 text-center">
+        <div
+          className={cn(
+            'flex-1 flex items-center justify-center text-sm font-medium border border-dashed border-border/60 rounded-xl py-12 px-4 text-center text-muted-foreground bg-muted/20 min-h-[320px] animate-in fade-in duration-200',
+            className,
+          )}
+          {...props}
+        >
           {t('timestamp:resultEmpty')}
         </div>
       );
     }
 
     return (
-      <div className="animate-in fade-in duration-300">
-        <span className="block text-muted-foreground mb-3 text-xs font-bold">
+      <div
+        className={cn(
+          'animate-in fade-in slide-in-from-bottom-2 duration-300 flex flex-col w-full',
+          className,
+        )}
+        {...props}
+      >
+        {/* 顶部小标签 */}
+        <span className="block text-muted-foreground/90 mb-2.5 text-xs font-semibold tracking-wider uppercase">
           {t('timestamp:resultLabel')}
         </span>
 
-        <div className="bg-primary/10 p-5 rounded-xl relative mb-4 border border-primary/30 flex justify-between items-center">
-          <span className="font-mono font-bold text-primary break-all pr-4 text-xl tracking-tight leading-tight">
+        {/*
+          2. 核心结果大卡片：
+          对齐 shadcn 官方卡片风格，使用 bg-card、border-border 构筑多层级阴影。
+          核心数值直接拉粗为 text-foreground (在黑夜模式下会自动转为大气的纯白，完美避开刺眼强光)
+        */}
+        <div className="bg-card text-card-foreground border border-border p-4 sm:p-5 rounded-xl relative mb-3.5 shadow-sm flex justify-between items-center gap-4 focus-within:ring-1 focus-within:ring-ring transition-all">
+          <span className="font-mono font-extrabold text-foreground break-all text-xl sm:text-2xl tracking-tight leading-tight select-all tabular-nums">
             {result}
           </span>
           <CopyButton
             text={result}
             tooltip={t('timestamp:copyResultTooltip')}
-            size="small"
-            color={timestampPageStyles.primaryColor}
+            className="h-8 w-8 rounded-md shrink-0 border"
           />
         </div>
 
-        <div className="bg-primary/5 p-4 rounded-xl border border-primary/20 flex flex-col gap-3">
+        {/*
+          3. 衍生的附加参考数据区：
+          背景改为低饱和度的 bg-muted/40 隔离带。
+          内部数值降级为 text-muted-foreground，建立教科书般的完美“视觉权重层级”。
+        */}
+        <div className="bg-muted/40 p-4 rounded-xl border border-border/50 flex flex-col gap-3">
           {[
             { label: t('timestamp:relativeTime'), value: extraInfo?.relative },
-            { label: t('timestamp:iso8601'), value: extraInfo?.iso },
-            { label: t('timestamp:utcTime'), value: extraInfo?.utc },
+            { label: t('timestamp:iso8601'), value: extraInfo?.iso, isMono: true },
+            { label: t('timestamp:utcTime'), value: extraInfo?.utc, isMono: true },
           ].map((item) => (
-            <div key={item.label} className="flex justify-between items-center">
-              <span className="text-muted-foreground font-bold text-xs pr-2 whitespace-nowrap">
+            <div
+              key={item.label}
+              className="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-1.5 py-0.5 border-b border-border/30 last:border-0 pb-2 sm:pb-0 last:pb-0"
+            >
+              <span className="text-muted-foreground font-semibold text-xs shrink-0 select-none">
                 {item.label}
               </span>
-              <div className="flex items-center gap-2 min-w-0">
-                <span className="font-mono text-primary font-semibold text-xs break-all text-right">
+              <div className="flex items-center justify-between sm:justify-end gap-2 min-w-0 w-full sm:w-auto">
+                <span
+                  className={cn(
+                    'text-xs text-foreground/90 font-medium break-all text-left sm:text-right tabular-nums',
+                    item.isMono && 'font-mono text-[11px]', // ISO/UTC 等机器时间使用精细化等宽代码体
+                  )}
+                >
                   {item.value}
                 </span>
                 {item.value && (
                   <CopyButton
                     text={item.value}
                     tooltip={t('timestamp:copyTooltip')}
-                    size="small"
-                    color={timestampPageStyles.primaryColor}
+                    className="h-6 w-6 rounded-md border shrink-0 text-muted-foreground"
                   />
                 )}
               </div>

pages/Timestamp/index.tsx

@@ -6,13 +6,25 @@ import LiveClock from './LiveClock';
 import ResultView from './ResultView';
 import { useTimestampConverter } from './useTimestampConverter';
 import { useLazyTranslation } from '@/utils/useLazyTranslation';
+import { cn } from '@/lib/utils';
+
+// 1. 引入标准的 shadcn/ui 原子表单组件（代替原生的原生 Input 和 Select）
+import { Input } from '@/components/ui/input';
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select';
 
 export default function Index() {
   const { t } = useLazyTranslation('timestamp');
+
+  // 2. 完美对接全新重构后的统一单源响应式 Hook
   const {
     mode,
-    tsInput,
-    dtInput,
+    input,
     unit,
     zone,
     result,
@@ -22,12 +34,11 @@ export default function Index() {
     setUnit,
     setZone,
     handleUseNow,
-    convert,
   } = useTimestampConverter();
 
   return (
-    <div className="min-h-screen">
-      <div className="max-w-7xl mx-auto p-4">
+    <div className="min-h-screen bg-background text-foreground antialiased selection:bg-primary/20">
+      <div className="max-w-7xl mx-auto p-4 sm:p-6 space-y-4">
         {/* Header */}
         <PageHeader
           title={t('timestamp:pageTitle')}
@@ -35,41 +46,55 @@ export default function Index() {
           icon={<Clock />}
         />
 
-        {/* 参考信息：分栏上方全宽单行参考条 */}
+        {/* 动态参考信息时钟条 */}
         <LiveClock unit={unit} onUseNow={handleUseNow} />
 
-        {/* 桌面端 md+ 左右分栏；移动端单栏堆叠 */}
+        {/* 核心工作台网格：桌面端 md+ 左右等宽分栏；移动端单栏堆叠 */}
         <div className="grid grid-cols-1 md:grid-cols-2 gap-4 items-stretch">
           {/* 左栏：转换工作台 */}
-          <div className="p-5 rounded-xl bg-background border border-border shadow-sm">
-            {/* 模式切换 */}
+          <div className="p-5 rounded-xl border border-border bg-card text-card-foreground shadow-sm flex flex-col justify-between">
+            <div className="flex flex-col gap-4">
+              {/* 模式选择切换组 */}
               <SwitchButtonGroup
                 value={mode}
                 options={[
                   { value: 'ts2dt', label: t('timestamp:tsToDate') },
                   { value: 'dt2ts', label: t('timestamp:dateToTs') },
                 ]}
-              onChange={(newMode) => setMode(newMode)}
+                onChange={(newMode) => setMode(newMode as 'ts2dt' | 'dt2ts')}
                 size="small"
               />
 
-            {/* 输入区 */}
-            <div className="flex flex-col gap-3">
-              <input
+              {/* 输入交互区 */}
+              <div className="flex flex-col gap-1.5">
+                {/*
+                  3. 替换为标准的 shadcn <Input /> 组件：
+                  享受原生高水准的 focus-visible 环形动画响应。
+                */}
+                <Input
                   type="text"
                   placeholder={
                     mode === 'ts2dt' ? t('timestamp:placeholderTs') : t('timestamp:placeholderDate')
                   }
-                value={mode === 'ts2dt' ? tsInput : dtInput}
-                onChange={(e) => setInput(e.target.value)}
-                className={`w-full px-4 py-2.5 rounded-lg border ${
-                  error ? 'border-red-500' : 'border-input'
-                } bg-background text-sm font-mono font-semibold focus:outline-none focus:ring-2 focus:ring-primary focus:border-transparent transition-all`}
+                  value={input}
+                  onChange={(e: { target: { value: string } }) => setInput(e.target.value)}
+                  className={cn(
+                    'font-mono font-semibold h-10 shadow-sm placeholder:text-muted-foreground/60 focus:bg-background transition-all',
+                    error && 'border-destructive focus-visible:ring-destructive',
+                  )}
                 />
-              {error && <p className="text-red-500 text-xs mt-1">{error}</p>}
 
-              {/* 单位+时区紧凑横排 */}
-              <div className="flex flex-wrap gap-3 w-full">
+                {/* 错误自愈提示 */}
+                {error && (
+                  <p className="text-destructive text-xs font-medium px-0.5 animate-in fade-in slide-in-from-top-1 duration-150">
+                    {error}
+                  </p>
+                )}
+              </div>
+
+              {/* 核心配置群：单位切换 + 时区选择紧凑横排 */}
+              <div className="flex flex-col sm:flex-row items-stretch gap-3 w-full">
+                {/* 时间精度单位选择 */}
                 <SwitchButtonGroup
                   value={unit}
                   options={[
@@ -78,33 +103,40 @@ export default function Index() {
                   ]}
                   onChange={(v) => setUnit(v as 'ms' | 's')}
                   size="small"
+                  className="sm:w-auto shrink-0" // 窄屏下全宽，宽屏下自适应收缩
                 />
 
-                <select
-                  value={zone}
-                  onChange={(e) => setZone(e.target.value as typeof zone)}
-                  className="flex-1 min-w-0 px-4 py-2.5 rounded-lg border border-input bg-background text-sm font-mono font-semibold focus:outline-none focus:ring-2 focus:ring-primary focus:border-transparent transition-all"
-                >
+                {/*
+                  4. 降维打击：将原生 <select> 强行超进化为标准的 shadcn <Select>：
+                  全操作系统的样式绝对一致，完美融合暗黑模式，悬浮弹窗自带微距磨砂玻璃阻尼动效。
+                */}
+                <Select value={zone} onValueChange={(v: string) => setZone(v as typeof zone)}>
+                  <SelectTrigger className="flex-1 font-mono font-semibold h-9 shadow-sm bg-background">
+                    <SelectValue placeholder="选择时区" />
+                  </SelectTrigger>
+                  <SelectContent className="max-h-64 font-mono">
                     {ZONES.map((z) => (
-                    <option key={z} value={z} className="text-sm font-semibold">
-                      {z}
-                    </option>
-                  ))}
-                </select>
-              </div>
-            </div>
-
-            {/* 立即转换 */}
-            <button
-              onClick={convert}
-              className="block mx-auto mt-4 mb-1 max-w-[240px] w-full py-2.5 text-sm font-semibold rounded-lg bg-primary text-primary-foreground shadow-md hover:bg-primary/90 focus:outline-none focus:ring-2 focus:ring-primary focus:ring-offset-2 transition-all"
+                      <SelectItem
+                        key={z}
+                        value={z}
+                        className="text-xs font-semibold focus:bg-accent cursor-pointer"
                       >
-              {t('timestamp:convertButton')}
-            </button>
+                        {z}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+              </div>
             </div>
 
-          {/* 右栏：结果展示卡片 */}
-          <div className="p-5 rounded-xl bg-background border border-border shadow-sm h-full flex flex-col">
+            {/*
+              5. 彻底移除了原先丑陋的手动 convert 按钮！
+              在响应式 Hook 的加持下，此处留白或由排版自然撑开，界面视觉极其干净。
+            */}
+          </div>
+
+          {/* 右栏：结果实时流展示卡片 */}
+          <div className="p-5 rounded-xl border border-border bg-card text-card-foreground shadow-sm h-full flex flex-col">
             <ResultView result={result} mode={mode} unit={unit} zone={zone} showEmptyPlaceholder />
           </div>
         </div>

pages/Timestamp/useTimestampConverter.ts

@@ -1,4 +1,4 @@
-import { useCallback, useState } from 'react';
+import { useCallback, useMemo, useState } from 'react';
 import dayjs from '@/utils/dayjs';
 import type { UnitType, ZoneType } from '@/config/pageTheme';
 import { DATE_FORMAT } from '@/config/pageTheme';
@@ -6,148 +6,111 @@ import { useLazyTranslation } from '@/utils/useLazyTranslation';
 import { useContextMenuData } from '@/utils/useContextMenuData';
 
 export interface UseTimestampConverterReturn {
-  // State
   mode: 'ts2dt' | 'dt2ts';
-  tsInput: string;
-  dtInput: string;
+  input: string; // 统一为单一受控输入源
   unit: UnitType;
   zone: ZoneType;
   result: string;
   error: string;
 
-  // Actions
   setMode: (mode: 'ts2dt' | 'dt2ts') => void;
   setInput: (value: string) => void;
   setUnit: (unit: UnitType) => void;
   setZone: (zone: ZoneType) => void;
   handleUseNow: (now: number) => void;
-  convert: () => void;
 }
 
-/**
- * 判断输入是否为时间戳（纯数字或长度 >= 10 的数字字符串）
- */
 function isTimestampLike(input: string): boolean {
   const trimmed = input.trim();
-  if (!/^\d+$/.test(trimmed)) return false;
-  return trimmed.length >= 10;
+  return /^\d+$/.test(trimmed) && trimmed.length >= 10;
 }
 
 export function useTimestampConverter(): UseTimestampConverterReturn {
   const { t } = useLazyTranslation('timestamp');
   const [mode, setMode] = useState<'ts2dt' | 'dt2ts'>('ts2dt');
-  const [tsInput, setTsInput] = useState(() => String(Date.now()));
-  const [dtInput, setDtInput] = useState(() => dayjs().format(DATE_FORMAT));
   const [unit, setUnit] = useState<UnitType>('ms');
   const [zone, setZone] = useState<ZoneType>('Asia/Shanghai');
-  const [result, setResult] = useState('');
-  const [error, setError] = useState('');
 
-  const convert = useCallback(() => {
+  // 1. 唯一受控源：不再区分 ts/dt，输入框在当前模式下展现的就是它的值
+  const [input, setInput] = useState(() => String(Date.now()));
+
+  // 2. 核心魔法：利用 useMemo 达成 0 延迟响应式转换 (Reactive Pipeline)
+  // 只要 input, mode, unit, zone 任何一个发生改变，结果和错误信息自动流出，废除 convert 按钮
+  const conversionPipeline = useMemo(() => {
+    const rawInput = input.trim();
+    if (!rawInput) return { result: '', error: '' };
+
     if (mode === 'ts2dt') {
-      const rawInput = tsInput.trim();
-      if (!rawInput) return;
       const num = Number(rawInput);
       if (isNaN(num)) {
-        setError(t('timestamp:errors.invalidNumber'));
-        return;
+        return { result: '', error: t('timestamp:errors.invalidNumber') };
       }
       const d = unit === 'ms' ? dayjs(num) : dayjs.unix(num);
       if (!d.isValid()) {
-        setError(t('timestamp:errors.invalidTimestamp'));
-        return;
+        return { result: '', error: t('timestamp:errors.invalidTimestamp') };
       }
-      setError('');
-      setResult(d.tz(zone).format(DATE_FORMAT));
+      return { result: d.tz(zone).format(DATE_FORMAT), error: '' };
     } else {
-      const rawInput = dtInput.trim();
-      if (!rawInput) return;
       const d = dayjs.tz(rawInput, DATE_FORMAT, zone);
       if (!d.isValid()) {
-        setError(t('timestamp:errors.invalidFormat'));
-        return;
+        return { result: '', error: t('timestamp:errors.invalidFormat') };
       }
-      setError('');
       const ms = d.valueOf();
-      setResult(unit === 'ms' ? String(ms) : String(Math.floor(ms / 1000)));
+      const outputTs = unit === 'ms' ? String(ms) : String(Math.floor(ms / 1000));
+      return { result: outputTs, error: '' };
     }
-  }, [mode, tsInput, dtInput, unit, zone, t]);
+  }, [input, mode, unit, zone, t]);
 
-  // 处理右键菜单传递的数据
-  const handleContextMenuData = useCallback(
-    (payload: string) => {
+  const { result, error } = conversionPipeline;
+
+  // 3. 处理右键菜单联动（直接修改唯一的 input，衍生转换自动触发）
+  const handleContextMenuData = useCallback((payload: string) => {
     const trimmed = payload.trim();
     if (isTimestampLike(trimmed)) {
-        // 看起来是时间戳，切换到 ts2dt 模式
       setMode('ts2dt');
-        setTsInput(trimmed);
-        // 如果是 13 位毫秒级时间戳，自动选择 ms 单位
       const detectedUnit: UnitType = trimmed.length >= 13 ? 'ms' : 's';
       setUnit(detectedUnit);
-        // 直接执行转换
-        const num = Number(trimmed);
-        if (!isNaN(num)) {
-          const d = detectedUnit === 'ms' ? dayjs(num) : dayjs.unix(num);
-          if (d.isValid()) {
-            setError('');
-            setResult(d.tz(zone).format(DATE_FORMAT));
-          }
-        }
+      setInput(trimmed);
     } else {
-        // 尝试作为日期时间解析
       const d = dayjs(trimmed);
       if (d.isValid()) {
         setMode('dt2ts');
-          setDtInput(d.format(DATE_FORMAT));
-          // 直接执行转换
-          const ms = d.valueOf();
-          setError('');
-          setResult(String(ms));
+        setInput(d.format(DATE_FORMAT));
       } else {
-          // 无法识别，作为时间戳处理
         setMode('ts2dt');
-          setTsInput(trimmed);
+        setInput(trimmed);
       }
     }
-    },
-    [zone],
-  );
+  }, []);
 
   useContextMenuData({ featureKey: 'timestamp', onData: handleContextMenuData });
 
   const handleUseNow = useCallback(
     (now: number) => {
       if (mode === 'ts2dt') {
-        setTsInput(String(unit === 'ms' ? now : Math.floor(now / 1000)));
+        setInput(String(unit === 'ms' ? now : Math.floor(now / 1000)));
       } else {
-        setDtInput(dayjs(now).tz(zone).format(DATE_FORMAT));
+        setInput(dayjs(now).tz(zone).format(DATE_FORMAT));
       }
     },
     [mode, unit, zone],
   );
 
-  const handleSetMode = useCallback((newMode: 'ts2dt' | 'dt2ts') => {
+  // 4. 尊享级连贯交互：切换 Mode 时，自动把上一个模式计算出的结果喂进输入框
+  // 比如：输入时间戳 -> 得到日期 -> 切换模式 -> 日期直接进入输入框，方便用户进行微调反向转换
+  const handleSetMode = useCallback(
+    (newMode: 'ts2dt' | 'dt2ts') => {
       setMode(newMode);
-    setError('');
-    setResult('');
-  }, []);
-
-  const setInput = useCallback(
-    (value: string) => {
-      if (mode === 'ts2dt') {
-        setTsInput(value);
-      } else {
-        setDtInput(value);
+      if (result && !error) {
+        setInput(result);
       }
-      setError('');
     },
-    [mode],
+    [result, error],
   );
 
   return {
     mode,
-    tsInput,
-    dtInput,
+    input,
     unit,
     zone,
     result,
@@ -157,6 +120,5 @@ export function useTimestampConverter(): UseTimestampConverterReturn {
     setUnit,
     setZone,
     handleUseNow,
-    convert,
   };
 }