diff --git a/.gitignore b/.gitignore
index 17e1cff..e9f6fb2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,5 +21,9 @@ Thumbs.db
 data/storage/*
 !data/storage/.gitkeep
 
+# Logs
+server/logs/
+server/license.json
+
 # Config (keep example)
 config/
diff --git a/server/config.yaml b/server/config.yaml
index 26ae750..4f08463 100644
--- a/server/config.yaml
+++ b/server/config.yaml
@@ -1,6 +1,4 @@
-# =============================================
 # 文件管理系统配置
-# =============================================
 
 server:
   port: 8075
@@ -8,7 +6,7 @@ server:
   public_url: "http://127.0.0.1:5173"
 
 database:
-  type: mysql        # mysql / sqlserver / postgres
+  type: mysql
   host: 127.0.0.1
   port: 3306
   username: root
@@ -22,10 +20,9 @@ jwt:
 storage:
   default_policy_id: 1
   local_base_path: D:/Seeyon/A8/localfile
-  cdn_host: "http://127.0.0.1:3090"
-  cdn_path_prefix: "/public"
+  cdn_host: ""
+  cdn_path_prefix: ""
 
-# 备份工具路径(留空则自动搜索)
 backup:
   mysqldump_path: ""
   mysql_path: ""
@@ -33,7 +30,7 @@ backup:
   psql_path: ""
   sqlcmd_path: ""
 
-# 授权配置
 license:
-  file_path: ""          # 授权文件路径, 留空则默认 ./license.json
-  verify_url: ""         # 远程验证接口(可选), 如 http://verify.example.com/api/license/verify
+  file_path: ""
+  verify_url: ""
+  network: internal
diff --git a/server/config/config.go b/server/config/config.go
index fdf05ae..4164838 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -24,8 +24,9 @@ type Config struct {
 
 // LicenseConfig 授权配置
 type LicenseConfig struct {
-	VerifyURL string `mapstructure:"verify_url"` // 远程验证接口地址(可选)
+	VerifyURL string `mapstructure:"verify_url"` // 远程验证接口地址(外网必填)
 	FilePath  string `mapstructure:"file_path"`  // 授权文件路径, 默认 ./license.json
+	Network   string `mapstructure:"network"`    // 网络类型: internal=内网(仅本地校验) / external=外网(需远程验证)
 }
 
 // BackupConfig 备份工具配置
diff --git a/server/main.go b/server/main.go
index 43fbd00..f9e2070 100644
--- a/server/main.go
+++ b/server/main.go
@@ -3,7 +3,11 @@ package main
 
 import (
 	"fmt"
+	"io"
 	"log"
+	"os"
+	"path/filepath"
+	"time"
 
 	"seeyon-filesystem/api"
 	"seeyon-filesystem/config"
@@ -14,8 +18,16 @@ import (
 )
 
 func main() {
-	// 将日志输出接入环形缓冲区(同时保留控制台输出)
-	log.SetOutput(utils.LogBuf)
+	// 日志输出: 控制台 + 内存缓冲区 + 按日期分割的文件
+	logDir := "logs"
+	os.MkdirAll(logDir, 0755)
+	logPath := filepath.Join(logDir, fmt.Sprintf("server_%s.log", time.Now().Format("20060102")))
+	logFile, err := os.OpenFile(logPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+	if err == nil {
+		log.SetOutput(io.MultiWriter(os.Stderr, logFile, utils.LogBuf))
+	} else {
+		log.SetOutput(io.MultiWriter(os.Stderr, utils.LogBuf))
+	}
 
 	cfg, err := config.Load()
 	if err != nil {
@@ -339,34 +351,47 @@ func checkLicense(cfg config.LicenseConfig) error {
 		licensePath = "license.json"
 	}
 
-	resp, err := utils.ReadAndVerifyLicense(licensePath, cfg.VerifyURL, "seeyon-filesystem", "1.0")
+	// 读取授权文件
+	license, err := utils.ReadLicenseFile(licensePath)
 	if err != nil {
 		return err
 	}
 
-	if !resp.Valid {
-		return fmt.Errorf("%s", resp.Message)
-	}
-
 	// 设置当前授权信息
-	licPath := cfg.FilePath
-	if licPath == "" {
-		licPath = "license.json"
-	}
-	if licData, licErr := utils.ReadLicenseFile(licPath); licErr == nil {
-		utils.SetCurrentLicense(licData)
+	utils.SetCurrentLicense(license)
+
+	// 根据网络类型选择验证方式
+	network := cfg.Network
+	if network == "" {
+		network = "internal"
 	}
 
-	lic := utils.GetCurrentLicense()
-	features := ""
-	if lic != nil {
-		features = lic.Features
-	}
-
-	if resp.ExpireDays == -1 {
-		log.Printf("[授权] 企业版 - 永久授权, 用户上限: %d, 功能: %s", resp.MaxUsers, features)
+	if network == "external" && cfg.VerifyURL != "" {
+		// 外网: 调远程接口验证
+		resp, err := utils.ReadAndVerifyLicense(licensePath, cfg.VerifyURL, "seeyon-filesystem", "1.0")
+		if err != nil {
+			return err
+		}
+		if !resp.Valid {
+			return fmt.Errorf("%s", resp.Message)
+		}
+		if resp.ExpireDays == -1 {
+			log.Printf("[授权] 企业版(外网) - 永久授权, 用户上限: %d, 功能: %s", resp.MaxUsers, license.Features)
+		} else {
+			log.Printf("[授权] 企业版(外网) - 有效期剩余 %d 天, 用户上限: %d, 功能: %s", resp.ExpireDays, resp.MaxUsers, license.Features)
+		}
 	} else {
-		log.Printf("[授权] 企业版 - 有效期剩余 %d 天, 用户上限: %d, 功能: %s", resp.ExpireDays, resp.MaxUsers, features)
+		// 内网: 仅本地校验(解密 + 签名 + 机器码比对)
+		if err := utils.VerifyLicense(license); err != nil {
+			return err
+		}
+		days := utils.GetLicenseExpireDays(license)
+		if days == -1 {
+			log.Printf("[授权] 企业版(内网) - 永久授权, 用户上限: %d, 功能: %s", license.MaxUsers, license.Features)
+		} else {
+			log.Printf("[授权] 企业版(内网) - 有效期剩余 %d 天, 用户上限: %d, 功能: %s", days, license.MaxUsers, license.Features)
+		}
 	}
+
 	return nil
 }
diff --git a/server/myapp b/server/myapp
deleted file mode 100644
index a318966..0000000
Binary files a/server/myapp and /dev/null differ