增加设置界面、debug日志等级、版本号展示、构建脚本

- 新增设置弹窗: trace开关/正文上限、日志等级(debug/info/warn/error)、并发数、重试次数
- 配置运行时生效，持久化到 config.json
- 日志系统支持 debug 级别过滤
- 工具栏展示版本号(v0.0.2)，来源 wails.json + constants.go
- 抢购并发数和重试次数改为读取配置，不再写死常量
- 新增 build.sh 构建脚本，Windows exe 文件名带版本号
- config.json 加入 .gitignore

.gitignore

@@ -4,6 +4,7 @@
 logs/
 success_images/
 build/
+config.json
 
 # Wails 自动生成的前端绑定
 frontend/wailsjs/

app.go

@@ -29,6 +29,7 @@ type App struct {
 	trace     *trace.Recorder
 	paths     types.AppPaths
 	font      *truetype.Font
+	cfg       types.Config
 
 	productsMu sync.RWMutex
 	products   []types.Product
@@ -51,14 +52,21 @@ func (a *App) startup(ctx context.Context) {
 	a.logStore = logger.NewMemoryLogStore(800)
 	a.closeLog = logger.InitLogging(a.logStore, a.paths.LogDir)
 
-	tr, closeTrace := trace.InitTrace(a.paths.LogDir, config.LoadTraceConfig())
+	// 加载配置并应用运行时设置
+	a.cfg = config.LoadConfig(a.paths.ConfigFile)
+	logger.SetMinLevel(a.cfg.LogLevel)
+
+	traceCfg := types.TraceConfig{
+		Enabled:      a.cfg.TraceEnabled,
+		MaxBodyBytes: a.cfg.TraceMaxBody,
+	}
+	tr, closeTrace := trace.InitTrace(a.paths.LogDir, traceCfg)
 	a.trace = tr
 	a.closeTrace = closeTrace
 
-	cfg := config.LoadConfig(a.paths.ConfigFile)
-	a.client = client.New(cfg.TimeAPIURL, a.trace)
+	a.client = client.New(a.cfg.TimeAPIURL, a.trace)
 	a.font = imgpkg.LoadFont(a.paths.FontFiles)
-	a.scheduler = seckill.New(a.client, a.paths, a.font)
+	a.scheduler = seckill.New(a.client, a.paths, a.font, a.cfg.Concurrency, a.cfg.Attempts)
 	a.scheduler.LoadAccounts()
 
 	if err := os.MkdirAll(a.paths.SuccessDir, 0755); err != nil {
@@ -202,6 +210,45 @@ func (a *App) QueryScore(accountName string) map[string]any {
 	return map[string]any{"score": score}
 }
 
+// GetVersion 返回应用版本号。
+func (a *App) GetVersion() string {
+	return constants.Version
+}
+
+// GetSettings 返回当前配置。
+func (a *App) GetSettings() types.Config {
+	return a.cfg
+}
+
+// SaveSettings 保存配置并运行时生效。
+func (a *App) SaveSettings(cfg types.Config) map[string]any {
+	// 校验
+	if cfg.Concurrency <= 0 {
+		cfg.Concurrency = constants.DefaultConcurrency
+	}
+	if cfg.Attempts <= 0 {
+		cfg.Attempts = constants.DefaultAttempts
+	}
+	if cfg.LogLevel == "" {
+		cfg.LogLevel = "info"
+	}
+
+	// 写入文件
+	if err := config.SaveConfig(a.paths.ConfigFile, cfg); err != nil {
+		logger.LogEvent("配置", "error", "配置保存失败: %v", err)
+		return map[string]any{"success": false, "error": err.Error()}
+	}
+
+	// 运行时生效
+	a.cfg = cfg
+	logger.SetMinLevel(cfg.LogLevel)
+	a.scheduler.UpdateSettings(cfg.Concurrency, cfg.Attempts)
+
+	logger.LogEvent("配置", "success", "配置已保存并生效: 日志等级=%s 并发=%d 重试=%d trace=%v",
+		cfg.LogLevel, cfg.Concurrency, cfg.Attempts, cfg.TraceEnabled)
+	return map[string]any{"success": true}
+}
+
 // ==================== 内部辅助方法 ====================
 
 func (a *App) setProducts(products []types.Product, fetchedAt time.Time) {

build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# 构建带版本号的产物
+# 用法: ./build.sh              # 构建当前平台
+#       GOOS=windows ./build.sh  # 构建 Windows
+#       GOOS=linux   ./build.sh  # 构建 Linux
+set -e
+
+VERSION=$(grep '"version"' wails.json | head -1 | sed 's/.*"version": *"//;s/".*//')
+echo "版本: v${VERSION}"
+
+if [ "$GOOS" = "windows" ]; then
+    wails build -platform windows/amd64 -o "douyu_go_v${VERSION}.exe"
+elif [ "$GOOS" = "linux" ]; then
+    wails build -platform linux/amd64 -o "douyu_go_v${VERSION}"
+else
+    wails build
+fi
+
+echo "=== 构建产物 ==="
+ls -lh build/bin/

frontend/index.html

@@ -170,6 +170,7 @@
         .log-e{color:var(--danger)}
         .log-i{color:var(--accent)}
         .log-w{color:var(--warning)}
+        .log-d{color:var(--muted-2)}
         .log-result{background:var(--panel-2);padding:5px 9px;margin:4px 0;border-radius:var(--radius-sm);word-break:break-all;border:1px solid var(--border)}
         .log-cat{display:inline-block;min-width:34px;text-align:center;margin-right:6px;padding:0 5px;border:1px solid var(--border);border-radius:5px;color:var(--muted);font-size:11px;line-height:1.4;background:var(--panel)}
 
@@ -184,6 +185,35 @@
         .toast-warn{border-left-color:var(--warning)}.toast-warn .toast-title{color:var(--warning)}
         .toast-error{border-left-color:var(--danger)}.toast-error .toast-title{color:var(--danger)}
 
+        /* ========== 设置弹窗 ========== */
+        .modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9000;display:none;align-items:center;justify-content:center}
+        .modal-overlay.show{display:flex}
+        .modal{background:var(--panel);border:1px solid var(--border);border-radius:12px;width:460px;max-width:92vw;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow)}
+        .modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
+        .modal-header h3{font-size:16px;color:var(--text-strong);margin:0}
+        .modal-close{width:30px;height:30px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center}
+        .modal-close:hover{background:var(--panel-2);color:var(--text-strong)}
+        .modal-body{padding:20px}
+        .form-group{margin-bottom:16px}
+        .form-group:last-child{margin-bottom:0}
+        .form-label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:6px}
+        .form-hint{font-size:12px;color:var(--muted-2);margin-top:4px}
+        .form-row{display:flex;gap:12px}
+        .form-row .form-group{flex:1}
+        .form-input{width:100%;height:36px;padding:0 10px;background:var(--bg);color:var(--text-strong);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px}
+        .form-input:focus{outline:0;border-color:var(--accent);box-shadow:var(--focus)}
+        .form-select{width:100%;height:36px;padding:0 10px;background:var(--bg);color:var(--text-strong);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;cursor:pointer}
+        .form-select:focus{outline:0;border-color:var(--accent)}
+        .toggle-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
+        .toggle-label{font-size:13px;color:var(--text-strong)}
+        .toggle{position:relative;width:42px;height:24px;cursor:pointer}
+        .toggle input{opacity:0;width:0;height:0}
+        .toggle-slider{position:absolute;inset:0;background:var(--border-strong);border-radius:999px;transition:.2s}
+        .toggle-slider::before{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:.2s}
+        .toggle input:checked+.toggle-slider{background:var(--accent)}
+        .toggle input:checked+.toggle-slider::before{transform:translateX(18px)}
+        .modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
+
         @media (max-width: 900px){
             body{display:block;overflow:auto;height:auto;min-height:100vh}
             .left{width:100%;min-width:0;height:42vh;border-right:0;border-bottom:1px solid var(--border)}
@@ -202,6 +232,58 @@
 <!-- 右侧滑入提示容器 -->
 <div class="toast-container" id="toastContainer"></div>
 
+<!-- ==================== 设置弹窗 ==================== -->
+<div class="modal-overlay" id="settingsModal">
+    <div class="modal">
+        <div class="modal-header">
+            <h3>⚙ 设置</h3>
+            <button class="modal-close" onclick="closeSettings()">×</button>
+        </div>
+        <div class="modal-body">
+            <div class="form-group">
+                <div class="toggle-row">
+                    <span class="toggle-label">📡 Trace 日志（记录 HTTP 请求详情）</span>
+                    <label class="toggle"><input type="checkbox" id="setTraceEnabled"><span class="toggle-slider"></span></label>
+                </div>
+                <div class="form-hint">开启后会在 logs/ 目录生成 douyu_trace_*.log，文件较大</div>
+            </div>
+            <div class="form-row">
+                <div class="form-group">
+                    <label class="form-label">Trace 正文上限（字节）</label>
+                    <input class="form-input" type="number" id="setTraceMaxBody" min="0" step="1024" placeholder="0=不限">
+                    <div class="form-hint">限制单段请求/响应正文保留大小，0 表示不限</div>
+                </div>
+            </div>
+            <div class="form-row">
+                <div class="form-group">
+                    <label class="form-label">日志显示等级</label>
+                    <select class="form-select" id="setLogLevel">
+                        <option value="debug">Debug（调试，最详细）</option>
+                        <option value="info">Info（全部）</option>
+                        <option value="warn">Warn（警告+错误）</option>
+                        <option value="error">Error（仅错误）</option>
+                    </select>
+                    <div class="form-hint">低于此等级的日志不输出到文件和前端</div>
+                </div>
+            </div>
+            <div class="form-row">
+                <div class="form-group">
+                    <label class="form-label">抢购并发数</label>
+                    <input class="form-input" type="number" id="setConcurrency" min="1" max="200" step="10">
+                </div>
+                <div class="form-group">
+                    <label class="form-label">单号重试次数</label>
+                    <input class="form-input" type="number" id="setAttempts" min="1" max="10" step="1">
+                </div>
+            </div>
+        </div>
+        <div class="modal-footer">
+            <button class="btn btn-ghost" onclick="closeSettings()">取消</button>
+            <button class="btn btn-blue" onclick="saveSettings()">💾 保存</button>
+        </div>
+    </div>
+</div>
+
 <!-- ==================== 左侧商品列表 ==================== -->
 <div class="left">
     <div class="left-header">
@@ -229,11 +311,13 @@
         <div class="summary-group">
             <span class="stat-pill">账号 <b id="accCnt">0</b></span>
             <span class="stat-pill">选中商品 <b class="selected-product" id="selProd">未选</b></span>
+            <span class="stat-pill" style="opacity:.6" id="versionTag">v--</span>
         </div>
         <div class="toolbar-spacer"></div>
         <div class="utility-group">
             <button class="btn btn-blue" onclick="reloadAccounts()">🔄 加载账号</button>
             <button class="btn btn-blue" onclick="queryAllScore()">💰 查询积分</button>
+            <button class="btn btn-ghost icon-btn" onclick="openSettings()" title="设置" aria-label="设置">⚙</button>
             <button class="btn btn-ghost icon-btn theme-toggle" id="btnTheme" onclick="toggleTheme()" title="切换亮色/暗色" aria-label="切换亮色/暗色">☾</button>
         </div>
         <span id="cdBadge" class="countdown-badge" style="display:none"></span>
@@ -347,6 +431,8 @@
         // 清空后端旧结果
         await App.ClearResults();
 
+        App.GetVersion().then(v => { document.getElementById('versionTag').textContent = 'v' + v; }).catch(()=>{});
+
         setInterval(updateTime,1000);
         setInterval(checkResults,2000);
         setInterval(fetchServerLogs,2000);
@@ -758,6 +844,7 @@
                 if (item.level === 'success') type = 's';
                 else if (item.level === 'error') type = 'e';
                 else if (item.level === 'warn') type = 'w';
+                else if (item.level === 'debug') type = 'd';
                 addServerLog(item.message, type, item.category);
             });
         } catch (e) { }
@@ -777,6 +864,49 @@
     }
 
 
+    // ==================== 设置 ====================
+    // openSettings 打开设置弹窗，从后端读取当前配置填充表单。
+    async function openSettings() {
+        try {
+            let cfg = await App.GetSettings();
+            document.getElementById('setTraceEnabled').checked = !!cfg.traceEnabled;
+            document.getElementById('setTraceMaxBody').value = cfg.traceMaxBody || 0;
+            document.getElementById('setLogLevel').value = cfg.logLevel || 'info';
+            document.getElementById('setConcurrency').value = cfg.concurrency || 80;
+            document.getElementById('setAttempts').value = cfg.attempts || 1;
+        } catch(e) {
+            toast('❌ 读取设置失败', e.message, 'error');
+        }
+        document.getElementById('settingsModal').classList.add('show');
+    }
+
+    // closeSettings 关闭设置弹窗。
+    function closeSettings() {
+        document.getElementById('settingsModal').classList.remove('show');
+    }
+
+    // saveSettings 收集表单数据，提交给后端保存。
+    async function saveSettings() {
+        let cfg = {
+            traceEnabled: document.getElementById('setTraceEnabled').checked,
+            traceMaxBody: parseInt(document.getElementById('setTraceMaxBody').value) || 0,
+            logLevel: document.getElementById('setLogLevel').value,
+            concurrency: parseInt(document.getElementById('setConcurrency').value) || 80,
+            attempts: parseInt(document.getElementById('setAttempts').value) || 1,
+        };
+        try {
+            let d = await App.SaveSettings(cfg);
+            if (d.success) {
+                toast('✅ 设置已保存', '配置已生效', 'success');
+                closeSettings();
+            } else {
+                toast('❌ 保存失败', d.error || '', 'error');
+            }
+        } catch(e) {
+            toast('❌ 保存失败', e.message, 'error');
+        }
+    }
+
     // buildAP 根据已勾选账号和账号绑定商品，生成后端需要的账号到商品 ID 映射。
     function buildAP() {
         if (selAccs.size === 0) {

internal/config/config.go

@@ -14,16 +14,28 @@ import (
 )
 
 // DefaultAppPaths 收集运行时路径，支持环境变量覆盖。
+// 所有相对路径会基于当前工作目录解析为绝对路径，避免打包后工作目录不同导致路径错位。
 func DefaultAppPaths() types.AppPaths {
 	return types.AppPaths{
-		ConfigFile:  envOrDefault("DOUYU_CONFIG", constants.DefaultConfigFile),
-		AccountFile: envOrDefault("DOUYU_USERS", constants.DefaultAccountFile),
-		LogDir:      envOrDefault("DOUYU_LOG_DIR", constants.DefaultLogDir),
-		SuccessDir:  envOrDefault("DOUYU_SUCCESS_DIR", constants.DefaultSuccessDir),
+		ConfigFile:  resolvePath(envOrDefault("DOUYU_CONFIG", constants.DefaultConfigFile)),
+		AccountFile: resolvePath(envOrDefault("DOUYU_USERS", constants.DefaultAccountFile)),
+		LogDir:      resolvePath(envOrDefault("DOUYU_LOG_DIR", constants.DefaultLogDir)),
+		SuccessDir:  resolvePath(envOrDefault("DOUYU_SUCCESS_DIR", constants.DefaultSuccessDir)),
 		FontFiles:   CollectFontCandidates(),
 	}
 }
 
+// resolvePath 将相对路径解析为绝对路径。
+func resolvePath(path string) string {
+	if filepath.IsAbs(path) {
+		return path
+	}
+	if abs, err := filepath.Abs(path); err == nil {
+		return abs
+	}
+	return path
+}
+
 func envOrDefault(key, fallback string) string {
 	if value := os.Getenv(key); value != "" {
 		return filepath.Clean(value)
@@ -60,9 +72,21 @@ func envInt(key string, fallback int) int {
 	return value
 }
 
+// defaultConfig 返回内置默认配置。
+func defaultConfig() types.Config {
+	return types.Config{
+		TimeAPIURL:   constants.DefaultTimeAPI,
+		TraceEnabled: false,
+		TraceMaxBody: 0,
+		LogLevel:     "info",
+		Concurrency:  constants.DefaultConcurrency,
+		Attempts:     constants.DefaultAttempts,
+	}
+}
+
 // LoadConfig 读取配置文件；缺失时安静使用内置默认配置。
 func LoadConfig(path string) types.Config {
-	cfg := types.Config{TimeAPIURL: constants.DefaultTimeAPI}
+	cfg := defaultConfig()
 	if path == "" {
 		path = constants.DefaultConfigFile
 	}
@@ -80,15 +104,36 @@ func LoadConfig(path string) types.Config {
 
 	if err := json.NewDecoder(f).Decode(&cfg); err != nil {
 		logger.LogEvent("配置", "warn", "解析 %s 失败，使用内置默认配置: %v", path, err)
-		return types.Config{TimeAPIURL: constants.DefaultTimeAPI}
+		return defaultConfig()
 	}
 	if cfg.TimeAPIURL == "" {
 		cfg.TimeAPIURL = constants.DefaultTimeAPI
 	}
+	if cfg.Concurrency <= 0 {
+		cfg.Concurrency = constants.DefaultConcurrency
+	}
+	if cfg.Attempts <= 0 {
+		cfg.Attempts = constants.DefaultAttempts
+	}
+	if cfg.LogLevel == "" {
+		cfg.LogLevel = "info"
+	}
 	logger.LogEvent("配置", "success", "配置加载完成: %s", path)
 	return cfg
 }
 
+// SaveConfig 将配置写入文件。
+func SaveConfig(path string, cfg types.Config) error {
+	if path == "" {
+		path = constants.DefaultConfigFile
+	}
+	data, err := json.MarshalIndent(cfg, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, data, 0644)
+}
+
 // CollectFontCandidates 收集常见中文字体路径，允许用 DOUYU_FONT 指定自定义字体。
 func CollectFontCandidates() []string {
 	candidates := []string{}

internal/constants/constants.go

@@ -2,6 +2,9 @@ package constants
 
 import "time"
 
+// Version 应用版本号，与 wails.json version 同步。
+const Version = "0.0.2"
+
 const (
 	ManualID = "G4KA4Qnz4LDp7"
 	RoomID   = "9263298"

internal/logger/logger.go

@@ -14,6 +14,29 @@ import (
 	"douyu_go/internal/constants"
 )
 
+// minLevel 日志最低等级，低于此等级的日志不输出。0=info, 1=warn, 2=error。
+var minLevel atomic.Int32
+
+// SetMinLevel 设置日志最低显示等级。
+func SetMinLevel(level string) {
+	minLevel.Store(int32(levelPriority(level)))
+}
+
+func levelPriority(level string) int {
+	switch strings.ToLower(level) {
+	case "debug":
+		return -1
+	case "info":
+		return 0
+	case "warn":
+		return 1
+	case "error":
+		return 2
+	default:
+		return 0
+	}
+}
+
 // AsyncLogWriter 异步日志写入器，队列满时丢弃日志以保护主链路。
 type AsyncLogWriter struct {
 	dst     io.Writer
@@ -82,6 +105,10 @@ func InitLogging(store *MemoryLogStore, logDir string) func() {
 	if logDir == "" {
 		logDir = constants.DefaultLogDir
 	}
+
+	// 解析为绝对路径，避免打包后工作目录不同导致日志写到意外位置
+	logDir = resolveAbsolutePath(logDir)
+
 	if err := os.MkdirAll(logDir, 0755); err != nil {
 		async := NewAsyncLogWriter(io.MultiWriter(os.Stdout, store), 2048)
 		log.SetOutput(async)
@@ -108,7 +135,7 @@ func InitLogging(store *MemoryLogStore, logDir string) func() {
 	}
 }
 
-// LogEvent 输出带分类和级别的结构化文本日志。
+// LogEvent 输出带分类和级别的结构化文本日志。低于当前最低等级的日志会被丢弃。
 func LogEvent(category, level, format string, args ...any) {
 	if category == "" {
 		category = "系统"
@@ -116,6 +143,9 @@ func LogEvent(category, level, format string, args ...any) {
 	if level == "" {
 		level = "info"
 	}
+	if levelPriority(level) < int(minLevel.Load()) {
+		return
+	}
 	log.Printf("[%s][%s] %s", category, level, fmt.Sprintf(format, args...))
 }
 
@@ -150,17 +180,41 @@ func cutBracket(s string) (string, string, bool) {
 // IsLogLevel 判断是否为有效日志级别。
 func IsLogLevel(level string) bool {
 	switch strings.ToLower(level) {
-	case "success", "error", "warn", "info":
+	case "success", "error", "warn", "info", "debug":
 		return true
 	default:
 		return false
 	}
 }
 
+// LogDebug 输出 debug 级别日志，仅在日志等级设为 debug 时可见。
+func LogDebug(category, format string, args ...any) {
+	LogEvent(category, "debug", format, args...)
+}
+
+// resolveAbsolutePath 将相对路径解析为绝对路径。
+// 如果路径已经是绝对路径则直接返回；否则基于可执行文件所在目录解析。
+func resolveAbsolutePath(path string) string {
+	if filepath.IsAbs(path) {
+		return path
+	}
+	// 先尝试基于当前工作目录解析
+	if abs, err := filepath.Abs(path); err == nil {
+		return abs
+	}
+	// 兜底：基于可执行文件所在目录
+	if exe, err := os.Executable(); err == nil {
+		return filepath.Join(filepath.Dir(exe), path)
+	}
+	return path
+}
+
 // DetectLogLevel 根据日志文本粗略分类，方便前端染色。
 func DetectLogLevel(line string) string {
 	lower := strings.ToLower(line)
 	switch {
+	case strings.Contains(lower, "[debug]"):
+		return "debug"
 	case strings.Contains(lower, "[success]"):
 		return "success"
 	case strings.Contains(lower, "[error]"):

internal/seckill/scheduler.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -33,6 +34,9 @@ type Scheduler struct {
 	paths  types.AppPaths
 	font   *truetype.Font
 
+	concurrency int // 抢购并发数
+	attempts    int // 单号重试次数
+
 	accountsMu sync.RWMutex
 	accounts   []types.Account
 
@@ -52,12 +56,30 @@ type Scheduler struct {
 }
 
 // New 创建抢购调度器。
-func New(cli *client.DouyuClient, paths types.AppPaths, font *truetype.Font) *Scheduler {
+func New(cli *client.DouyuClient, paths types.AppPaths, font *truetype.Font, concurrency, attempts int) *Scheduler {
+	if concurrency <= 0 {
+		concurrency = constants.DefaultConcurrency
+	}
+	if attempts <= 0 {
+		attempts = constants.DefaultAttempts
+	}
 	return &Scheduler{
-		client:  cli,
-		paths:   paths,
-		font:    font,
-		results: make(map[string]string),
+		client:      cli,
+		paths:       paths,
+		font:        font,
+		concurrency: concurrency,
+		attempts:    attempts,
+		results:     make(map[string]string),
+	}
+}
+
+// UpdateSettings 运行时更新并发数和重试次数。
+func (s *Scheduler) UpdateSettings(concurrency, attempts int) {
+	if concurrency > 0 {
+		s.concurrency = concurrency
+	}
+	if attempts > 0 {
+		s.attempts = attempts
 	}
 }
 
@@ -67,6 +89,22 @@ func (s *Scheduler) LoadAccounts() {
 	if path == "" {
 		path = constants.DefaultAccountFile
 	}
+
+	// 文件不存在时自动创建目录和空文件，方便用户直接粘贴 Cookie
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		if dir := filepath.Dir(path); dir != "" && dir != "." {
+			if mkErr := os.MkdirAll(dir, 0755); mkErr != nil {
+				logger.LogEvent("账号", "warn", "账号目录创建失败: %s: %v", dir, mkErr)
+			}
+		}
+		hint := "# 格式: 账号名----密码----Cookie\n# 每行一个账号，粘贴后保存即可\n"
+		if wrErr := os.WriteFile(path, []byte(hint), 0644); wrErr != nil {
+			logger.LogEvent("账号", "warn", "账号文件创建失败: %s: %v", path, wrErr)
+		} else {
+			logger.LogEvent("账号", "info", "已创建空账号文件: %s，请粘贴 Cookie 后重新加载", path)
+		}
+	}
+
 	f, err := os.Open(path)
 	if err != nil {
 		logger.LogEvent("账号", "error", "读取账号文件失败: %s: %v", path, err)
@@ -186,7 +224,7 @@ func (s *Scheduler) RunNow(accountProducts map[string]string) {
 	}
 
 	logger.LogEvent("抢购", "info", "开始抢购: %d 个请求", len(attempts))
-	limit := make(chan struct{}, constants.DefaultConcurrency)
+	limit := make(chan struct{}, s.concurrency)
 	var wg sync.WaitGroup
 	for _, attempt := range attempts {
 		wg.Add(1)
@@ -219,7 +257,7 @@ func (s *Scheduler) buildAttempts(accountProducts map[string]string) []types.Exc
 			continue
 		}
 		product := types.Product{CommodityID: commodityID, CommodityName: commodityID}
-		for i := 1; i <= constants.DefaultAttempts; i++ {
+		for i := 1; i <= s.attempts; i++ {
 			attempts = append(attempts, types.ExchangeAttempt{
 				Account: account,
 				Product: product,
@@ -266,7 +304,7 @@ func (s *Scheduler) warmupAttempts(attempts []types.ExchangeAttempt) {
 	s.clearWarmups()
 	logger.LogEvent("预热", "info", "开始预热: %d 个请求", len(attempts))
 
-	limit := make(chan struct{}, constants.DefaultConcurrency)
+	limit := make(chan struct{}, s.concurrency)
 	var wg sync.WaitGroup
 	for _, attempt := range attempts {
 		wg.Add(1)

internal/types/types.go

@@ -7,7 +7,12 @@ import (
 
 // Config 应用配置。
 type Config struct {
-	TimeAPIURL string `json:"timeApiUrl"`
+	TimeAPIURL   string `json:"timeApiUrl"`
+	TraceEnabled bool   `json:"traceEnabled"`
+	TraceMaxBody int    `json:"traceMaxBody"`
+	LogLevel     string `json:"logLevel"`    // debug / info / warn / error
+	Concurrency  int    `json:"concurrency"` // 抢购并发数
+	Attempts     int    `json:"attempts"`    // 单号重试次数
 }
 
 // AppPaths 运行时路径。

wails.json

@@ -2,6 +2,7 @@
   "$schema": "https://wails.io/schemas/config.v2.json",
   "name": "douyu_go",
   "outputfilename": "douyu_go",
+  "version": "0.0.2",
   "frontend:dir": "frontend",
   "frontend:install": "",
   "frontend:build": "",