diff --git a/src/pages/QrCode/hooks/useQrCode.ts b/src/pages/QrCode/hooks/useQrCode.ts
index 66ab3d0..9c07a6d 100644
--- a/src/pages/QrCode/hooks/useQrCode.ts
+++ b/src/pages/QrCode/hooks/useQrCode.ts
@@ -6,10 +6,8 @@ import { useContextMenuData } from '@/utils/useContextMenuData';
 import type { QrCodeContextValue } from '../contexts/QrCodeContext';
 import type { QrCodeGeneratorState, QrCodeMode, QrCodeParserState } from '../types';
 
-/** 防抖延迟时间（毫秒） */
 const DEBOUNCE_DELAY = 500;
 
-/** 检测文本是否为URL格式 */
 function isUrl(text: string): boolean {
   const trimmed = text.trim();
   if (!trimmed) return false;
@@ -99,7 +97,6 @@ export function useQrCode(): QrCodeContextValue {
 
   const debounceTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
 
-  // 清除防抖定时器
   useEffect(() => {
     return () => {
       if (debounceTimerRef.current) {
@@ -108,7 +105,6 @@ export function useQrCode(): QrCodeContextValue {
     };
   }, []);
 
-  /** 自动检测URL并生成二维码 */
   const autoGenerateIfUrl = useCallback((text: string) => {
     if (debounceTimerRef.current) {
       clearTimeout(debounceTimerRef.current);
@@ -149,7 +145,6 @@ export function useQrCode(): QrCodeContextValue {
     [autoGenerateIfUrl],
   );
 
-  /** 手动触发生成二维码（用于非URL文本） */
   const confirmGenerate = useCallback(() => {
     const text = generatorState.textToEncode.trim();
 
@@ -159,10 +154,8 @@ export function useQrCode(): QrCodeContextValue {
       return;
     }
 
-    // 先设置 loading 状态，让 React 渲染加载动画
     setGeneratorState((prev) => ({ ...prev, generating: true, inputError: '' }));
 
-    // 延迟到下一帧生成，确保 loading 状态先被渲染显示
     setTimeout(() => {
       const qrCodeDataUrl = generateQrCodeDataUrl(text);
 
@@ -186,7 +179,6 @@ export function useQrCode(): QrCodeContextValue {
     }, 0);
   }, [generatorState.textToEncode]);
 
-  /** 返回编辑态，保留上次输入内容 */
   const backToEdit = useCallback(() => {
     if (debounceTimerRef.current) {
       clearTimeout(debounceTimerRef.current);
@@ -200,7 +192,6 @@ export function useQrCode(): QrCodeContextValue {
     }));
   }, []);
 
-  /** 从图片URL解析二维码 */
   const parseQrCodeFromUrl = useCallback(async (imageUrl: string) => {
     try {
       setParserState((prev) => ({
@@ -212,7 +203,6 @@ export function useQrCode(): QrCodeContextValue {
         selectedFile: null,
       }));
 
-      // 从URL获取图片并转换为File对象
       const response = await fetch(imageUrl);
       const blob = await response.blob();
       const file = new File([blob], 'qrcode-image.png', { type: blob.type });
@@ -239,35 +229,19 @@ export function useQrCode(): QrCodeContextValue {
     }
   }, []);
 
-  /** 右键菜单传入URL时，自动生成二维码或解析图片 */
   const handleContextMenuData = useCallback(
     (payload: string) => {
-      // 检测是否为图片URL，如果是则切换到解析模式
       if (isImageUrl(payload)) {
         setMode('parse');
         void parseQrCodeFromUrl(payload);
         return;
       }
 
-      // 非图片URL，生成二维码
       setMode('generate');
 
-      // 直接生成二维码，无需等待
       const qrCodeDataUrl = generateQrCodeDataUrl(payload);
 
-      if (qrCodeDataUrl) {
-        // 生成成功，直接跳转到预览态
-        setGeneratorState((prev) => ({
-          ...prev,
-          step: 'preview',
-          textToEncode: payload,
-          savedText: payload.trim(),
-          qrCodeDataUrl,
-          generating: false,
-          inputError: '',
-        }));
-      } else {
-        // 生成失败，停留在输入态，显示文本供用户编辑
+      if (!qrCodeDataUrl) {
         setGeneratorState((prev) => ({
           ...prev,
           step: 'input',
@@ -284,7 +258,6 @@ export function useQrCode(): QrCodeContextValue {
 
   useContextMenuData({ featureKey: 'qrCode', onData: handleContextMenuData });
 
-  // 反向活态解析二维码算法
   const parseQrCode = useCallback(async (file: File) => {
     try {
       setParserState((prev) => ({ ...prev, parsing: true, parseError: '', decodedResult: '' }));
@@ -354,7 +327,6 @@ export function useQrCode(): QrCodeContextValue {
         };
       });
 
-      // 触发解析安全的后台 Promise
       parseQrCode(file).catch((err) => {
         console.error('Parser standalone task thread exploded:', err);
       });
@@ -362,7 +334,6 @@ export function useQrCode(): QrCodeContextValue {
     [parseQrCode],
   );
 
-  // 清除解析受控文件
   const handleClearFile = useCallback(() => {
     setParserState((prev) => {
       if (prev.previewUrl) {
diff --git a/src/pages/TestDataGenerator/components/DataPreview.tsx b/src/pages/TestDataGenerator/components/DataPreview.tsx
index dbb10dd..5c09da4 100644
--- a/src/pages/TestDataGenerator/components/DataPreview.tsx
+++ b/src/pages/TestDataGenerator/components/DataPreview.tsx
@@ -1,6 +1,5 @@
 /**
  * 数据预览组件
- * 展示一条示例数据，展示数据结构
  */
 
 import { useMemo } from 'react';
@@ -12,7 +11,6 @@ interface DataPreviewProps {
   fields: FieldConfig[];
 }
 
-/** JSON 语法高亮渲染 */
 function JsonHighlight({ data }: { data: Record<string, unknown> }) {
   const formatted = useMemo(() => {
     const lines: { indent: string; key?: string; value: string; isLast: boolean }[] = [];
@@ -45,7 +43,6 @@ function JsonHighlight({ data }: { data: Record<string, unknown> }) {
   );
 }
 
-/** 根据值类型返回颜色类名 */
 function getValueColor(value: string): string {
   if (value === 'null') return 'text-muted-foreground';
   if (value.startsWith('"')) return 'text-emerald-600 dark:text-emerald-400';
@@ -55,13 +52,11 @@ function getValueColor(value: string): string {
 }
 
 export default function DataPreview({ fields }: DataPreviewProps) {
-  // 生成一条示例数据
   const sampleData = useMemo(() => {
     if (fields.length === 0) return null;
 
     const record: Record<string, unknown> = {};
     for (const field of fields) {
-      // 非必填字段预览显示 null
       if (!field.required) {
         record[field.name] = null;
         continue;
@@ -87,7 +82,6 @@ export default function DataPreview({ fields }: DataPreviewProps) {
 
   return (
     <div className="flex flex-col h-full">
-      {/* 示例标签 */}
       <div className="flex items-center justify-between mb-3">
         <div className="flex items-center gap-2">
           <div className="h-5 w-5 rounded bg-primary/10 flex items-center justify-center">
@@ -100,7 +94,6 @@ export default function DataPreview({ fields }: DataPreviewProps) {
         </span>
       </div>
 
-      {/* 示例数据展示 */}
       <div className="flex-1 min-h-0 overflow-auto rounded-lg bg-zinc-950 dark:bg-zinc-900 p-4">
         <JsonHighlight data={sampleData} />
       </div>
diff --git a/src/pages/TestDataGenerator/components/FieldEditor.tsx b/src/pages/TestDataGenerator/components/FieldEditor.tsx
index 1331b7f..a72af42 100644
--- a/src/pages/TestDataGenerator/components/FieldEditor.tsx
+++ b/src/pages/TestDataGenerator/components/FieldEditor.tsx
@@ -1,6 +1,5 @@
 /**
  * 字段编辑器组件
- * 编辑单个字段的详细配置
  */
 
 import { useState, useCallback } from 'react';
@@ -16,7 +15,6 @@ import GeneratorConfig from './GeneratorConfig';
 interface FieldEditorProps {
   field: FieldConfig;
   onChange: (field: FieldConfig) => void;
-  /** 所有字段名列表，用于检测重复 */
   allFieldNames?: string[];
 }
 
@@ -46,7 +44,6 @@ export default function FieldEditor({ field, onChange, allFieldNames = [] }: Fie
 
   const handleNameChange = (name: string) => {
     onChange({ ...field, name });
-    // 实时校验
     const error = validateFieldName(name);
     setNameError(error);
   };
@@ -59,15 +56,12 @@ export default function FieldEditor({ field, onChange, allFieldNames = [] }: Fie
     onChange({
       ...field,
       required,
-      // 切换为必填时清零，切换为非必填时默认 100%
       nullRate: required ? 0 : 100,
     });
   };
 
   const handleNullRateChange = (nullRate: number) => {
-    // 限制范围 0-100
     const clampedRate = Math.max(0, Math.min(100, nullRate));
-    // 空值率为 0 时自动设为必填
     if (clampedRate === 0) {
       onChange({ ...field, nullRate: clampedRate, required: true });
     } else {
@@ -105,7 +99,6 @@ export default function FieldEditor({ field, onChange, allFieldNames = [] }: Fie
 
   return (
     <div className="space-y-5">
-      {/* 基础配置 */}
       <div className="space-y-4">
         <div className="space-y-2">
           <div className="flex items-center justify-between">
@@ -139,7 +132,6 @@ export default function FieldEditor({ field, onChange, allFieldNames = [] }: Fie
         </div>
       </div>
 
-      {/* 必填/选填配置 */}
       <div className="space-y-3">
         <div className="flex items-center justify-between">
           <Label className="text-sm font-medium text-foreground">{'必填'}</Label>
@@ -187,19 +179,16 @@ export default function FieldEditor({ field, onChange, allFieldNames = [] }: Fie
         )}
       </div>
 
-      {/* 唯一性约束 */}
       <div className="flex items-center justify-between">
         <Label className="text-sm font-medium text-foreground">{'唯一性约束'}</Label>
         <Switch checked={field.unique} onCheckedChange={handleUniqueChange} />
       </div>
 
-      {/* 生成器选择 */}
       <div className="space-y-2">
         <Label className="text-sm font-medium text-foreground">{'数据生成器'}</Label>
         <GeneratorSelector selectedId={field.generatorId} onChange={handleGeneratorChange} />
       </div>
 
-      {/* 生成器参数配置 */}
       {generator && (
         <div className="space-y-2">
           <Label className="text-sm font-medium text-foreground">{'生成器参数'}</Label>
diff --git a/src/pages/TextStatistics/useTextStatistics.ts b/src/pages/TextStatistics/useTextStatistics.ts
index 2ca8339..4fd68cb 100644
--- a/src/pages/TextStatistics/useTextStatistics.ts
+++ b/src/pages/TextStatistics/useTextStatistics.ts
@@ -1,4 +1,4 @@
-import { useCallback, useState } from 'react';
+import { useCallback, useEffect, useMemo, useState } from 'react';
 import { getTextStats, type TextStats } from '@/utils/textStatistics';
 import { useContextMenuData } from '@/utils/useContextMenuData';
 
@@ -10,6 +10,12 @@ export interface UseTextStatisticsReturn {
 
 export function useTextStatistics(): UseTextStatisticsReturn {
   const [text, setText] = useState('');
+  const [debouncedText, setDebouncedText] = useState('');
+
+  useEffect(() => {
+    const handle = setTimeout(() => setDebouncedText(text), 200);
+    return () => clearTimeout(handle);
+  }, [text]);
 
   const handleContextMenuData = useCallback((payload: string) => {
     setText(payload);
@@ -17,7 +23,7 @@ export function useTextStatistics(): UseTextStatisticsReturn {
 
   useContextMenuData({ featureKey: 'textStatistics', onData: handleContextMenuData });
 
-  const stats = getTextStats(text);
+  const stats = useMemo(() => getTextStats(debouncedText), [debouncedText]);
 
   return { text, stats, setText };
 }
diff --git a/src/utils/diffEngine.ts b/src/utils/diffEngine.ts
index 93c11b6..0736a8c 100644
--- a/src/utils/diffEngine.ts
+++ b/src/utils/diffEngine.ts
@@ -11,7 +11,7 @@ const isObject = (v: unknown): v is Record<string, unknown> =>
 const isArray = (v: unknown): v is unknown[] => Array.isArray(v);
 
 /**
- * 健壮的 JSONPath 生成器：支持针对包含点号、空格或特殊字符的键名进行括号转义拦截
+ * JSONPath 生成器
  */
 const buildPath = (parent: string, key: string, isArrayChild: boolean): string => {
   if (isArrayChild) {
@@ -47,7 +47,7 @@ const diffNode = (
       newValue: right,
       path,
       isLeaf: !isObject(right) && !isArray(right),
-      hasDiffInChildren: false, // 自身即是新增，子树无需向下检索
+      hasDiffInChildren: false,
     };
   }
 
@@ -61,7 +61,7 @@ const diffNode = (
       newValue: undefined,
       path,
       isLeaf: !isObject(left) && !isArray(left),
-      hasDiffInChildren: false, // 自身即是删除，子树无需向下检索
+      hasDiffInChildren: false,
     };
   }
 
@@ -70,7 +70,6 @@ const diffNode = (
   const leftArr = isArray(left);
   const rightArr = isArray(right);
 
-  // 分支 3：双对象深层递归 (容器状态)
   if (leftObj && rightObj) {
     const keySet = new Set<string>();
     const leftKeys = Object.keys(left);
@@ -97,11 +96,10 @@ const diffNode = (
       children,
       path,
       isLeaf: false,
-      hasDiffInChildren, // 完美注入预计算衍生状态
+      hasDiffInChildren,
     };
   }
 
-  // 分支 4：双数组深层按序递归 (容器状态)
   if (leftArr && rightArr) {
     const len = Math.max(left.length, right.length);
     const children: DiffNode[] = new Array(len);
@@ -124,11 +122,10 @@ const diffNode = (
       children,
       path,
       isLeaf: false,
-      hasDiffInChildren, // 完美注入预计算衍生状态
+      hasDiffInChildren,
     };
   }
 
-  // 分支 5：绝对类型安全防护大闸 (双基本基元比对)
   const leftIsContainer = leftObj || leftArr;
   const rightIsContainer = rightObj || rightArr;
 
@@ -160,7 +157,6 @@ const diffNode = (
     }
   }
 
-  // 类型完全发生突变错配，或者基本数值不相等
   diffPaths.push(path);
   return {
     key,
@@ -169,12 +165,12 @@ const diffNode = (
     newValue: right,
     path,
     isLeaf: !leftIsContainer && !rightIsContainer,
-    hasDiffInChildren: false, // 变动在自身，后代无子树变动
+    hasDiffInChildren: false,
   };
 };
 
 /**
- * 比较两个 JSON 值的差异，返回安全的差异树及高精度差异路径列表。
+ * 比较两个 JSON 值的差异
  */
 export const diffJson = (left: unknown, right: unknown): DiffResult => {
   const diffPaths: string[] = [];
diff --git a/src/utils/format.ts b/src/utils/format.ts
index cc83be5..5662759 100644
--- a/src/utils/format.ts
+++ b/src/utils/format.ts
@@ -2,7 +2,7 @@
  * 格式化字节大小为易读字符串
  *
  * @param bytes 字节数
- * @returns 格式化后的字符串，例如 "1.5 KB" 或 "100 B"
+ * @returns 格式化后的字符串
  */
 export function formatBytes(bytes: number): string {
   if (bytes === 0) return '0 B';
@@ -17,7 +17,6 @@ export function formatBytes(bytes: number): string {
     unitIndex++;
   }
 
-  // KB uses 1 decimal, MB/GB/TB use 2 decimals
   const decimals = unitIndex === 0 ? 1 : 2;
 
   return `${size.toFixed(decimals)} ${units[unitIndex]}`;
diff --git a/src/utils/jsonToToml.ts b/src/utils/jsonToToml.ts
index 78e24d3..7bb64ff 100644
--- a/src/utils/jsonToToml.ts
+++ b/src/utils/jsonToToml.ts
@@ -204,7 +204,7 @@ export function jsonToToml(text: string): JsonToTomlResult {
 
   // TOML 要求顶层是表
   if (parsed === null || typeof parsed !== 'object' || Array.isArray(parsed)) {
-    throw new Error('TOML requires the top-level value to be an object');
+    throw new Error('TOML 要求顶层值必须是一个对象');
   }
 
   const lines: string[] = [];