From a10377f76df8a3c95c51e03fe052ea04949f4bc4 Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Fri, 10 Apr 2026 11:20:27 +0800
Subject: [PATCH] =?UTF-8?q?refactor(config):=20=E6=8F=90=E5=8F=96=E5=B8=B8?=
 =?UTF-8?q?=E9=87=8F=E5=B9=B6=E5=88=A0=E9=99=A4=E6=9C=AA=E4=BD=BF=E7=94=A8?=
 =?UTF-8?q?=E4=BB=A3=E7=A0=81?=
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- 新增 DefaultPprofPath 常量替代硬编码路径
- 删除 validate.go 中未使用的 parseSize() 函数

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 internal/config/config.go   |  6 ++++
 internal/config/defaults.go |  2 +-
 internal/config/validate.go | 61 -------------------------------------
 internal/server/pprof.go    |  2 +-
 4 files changed, 8 insertions(+), 63 deletions(-)

diff --git a/internal/config/config.go b/internal/config/config.go
index 0036e0e..5262a01 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -27,6 +27,12 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+// 默认配置常量。
+const (
+	// DefaultPprofPath pprof 端点的默认路径。
+	DefaultPprofPath = "/debug/pprof"
+)
+
 // Config 根配置结构，支持单服务器和多虚拟主机两种模式。
 //
 // 包含服务器配置、日志配置、性能配置和监控配置等模块。
diff --git a/internal/config/defaults.go b/internal/config/defaults.go
index 408c6be..9bddffb 100644
--- a/internal/config/defaults.go
+++ b/internal/config/defaults.go
@@ -168,7 +168,7 @@ func DefaultConfig() *Config {
 			},
 			Pprof: PprofConfig{
 				Enabled: false,
-				Path:    "/debug/pprof",
+				Path:    DefaultPprofPath,
 				Allow:   []string{"127.0.0.1"},
 			},
 		},
diff --git a/internal/config/validate.go b/internal/config/validate.go
index 406a133..30253d5 100644
--- a/internal/config/validate.go
+++ b/internal/config/validate.go
@@ -868,64 +868,3 @@ func validateVariables(v *VariablesConfig) error {
 	}
 	return nil
 }
-
-// parseSize 解析大小字符串为字节数。
-//
-// 支持单位：b, kb, mb, gb（不区分大小写）。
-// 纯数字默认为字节。
-//
-// 参数：
-//   - s: 大小字符串，如 "16KB", "1MB", "1024"
-//
-// 返回值：
-//   - int64: 字节数
-//   - error: 解析失败时返回错误
-func parseSize(s string) (int64, error) {
-	s = strings.TrimSpace(s)
-	if s == "" {
-		return 0, errors.New("大小字符串不能为空")
-	}
-
-	// 提取数字部分和单位
-	var numStr string
-	var unit string
-	for i := len(s) - 1; i >= 0; i-- {
-		c := s[i]
-		if c >= '0' && c <= '9' || c == '.' {
-			numStr = s[:i+1]
-			unit = strings.ToLower(s[i+1:])
-			break
-		}
-	}
-
-	if numStr == "" {
-		return 0, fmt.Errorf("无效的大小格式: %s", s)
-	}
-
-	// 解析数字
-	var value float64
-	_, err := fmt.Sscanf(numStr, "%f", &value)
-	if err != nil {
-		return 0, fmt.Errorf("无法解析数字: %s", numStr)
-	}
-
-	// 转换单位
-	var multiplier int64
-	switch unit {
-	case "", "b":
-		multiplier = 1
-	case "k", "kb":
-		multiplier = 1024
-	case "m", "mb":
-		multiplier = 1024 * 1024
-	case "g", "gb":
-		multiplier = 1024 * 1024 * 1024
-	default:
-		return 0, fmt.Errorf("未知单位: %s", unit)
-	}
-
-	return int64(value * float64(multiplier)), nil
-}
-
-// unused: kept for potential future use in size parsing
-var _ = parseSize
diff --git a/internal/server/pprof.go b/internal/server/pprof.go
index a76b74e..34b083f 100644
--- a/internal/server/pprof.go
+++ b/internal/server/pprof.go
@@ -62,7 +62,7 @@ func NewPprofHandler(cfg *config.PprofConfig) (*PprofHandler, error) {
 
 	path := cfg.Path
 	if path == "" {
-		path = "/debug/pprof"
+		path = config.DefaultPprofPath
 	}
 
 	h := &PprofHandler{path: path}