diff --git a/cmd/start/start.go b/cmd/start/start.go
index 8780965..aaa1b5a 100644
--- a/cmd/start/start.go
+++ b/cmd/start/start.go
@@ -5,7 +5,6 @@ import (
 	"os"
 	"sysmonitord/internal/config"
 	"sysmonitord/internal/scanner/file"
-	"sysmonitord/internal/scanner/hash"
 	"sysmonitord/internal/scanner/process"
 	"sysmonitord/internal/storage"
 	"sysmonitord/pkg/logger"
@@ -32,12 +31,6 @@ var StartCmd = &cobra.Command{
 			zap.String("审计服务器地址", fmt.Sprintf("%s:%d", cfg.Audit.Server, cfg.Audit.Port)),
 		)
 
-		hashCfg := &hash.Config{
-			UseFastHash: cfg.Scanner.File.FastHash,
-			Threshold:   cfg.Scanner.File.FastHashSize,
-			ChunkSize:   cfg.Scanner.File.FastHashChunk,
-		}
-
 		storageCfg := &storage.Storage{
 			DataDir:           cfg.Storage.DataDir,
 			ProcessSystemFile: cfg.Storage.ProcessSystemFile,
@@ -46,7 +39,8 @@ var StartCmd = &cobra.Command{
 
 		// ====== 进程扫描和存储 ======
 
-		procs, err := process.ScanAllProcesses(hashCfg)
+		startTime := time.Now()
+		procs, err := process.ScanAllProcesses(cfg)
 		if err != nil {
 			logger.Log.Error("扫描进程失败", zap.Error(err))
 			os.Exit(1)
@@ -75,7 +69,7 @@ var StartCmd = &cobra.Command{
 		// ====== 文件扫描和存储 ======
 		logger.Log.Info("正在扫描文件系统...")
 
-		startTime := time.Now()
+		startTime = time.Now()
 		fileScanner := file.NewScanner(cfg)
 
 		files, err := fileScanner.Scan()
diff --git a/internal/scanner/file/scanner.go b/internal/scanner/file/scanner.go
index 229447d..722dd6d 100644
--- a/internal/scanner/file/scanner.go
+++ b/internal/scanner/file/scanner.go
@@ -85,7 +85,7 @@ func (s *Scanner) WalkFunc(result *[]FileInfo) fs.WalkDirFunc {
 				return nil
 			}
 
-			hash, err := hash.CalculateHash(path, hashCfg)
+			hash, err := hash.Calculate(path, info.Size(), hashCfg)
 			if err != nil {
 				logger.Log.Debug("[scan]无法计算文件哈希", zap.String("path", path), zap.Error(err))
 				return nil
diff --git a/internal/scanner/hash/hash.go b/internal/scanner/hash/hash.go
index 01cef52..a937569 100644
--- a/internal/scanner/hash/hash.go
+++ b/internal/scanner/hash/hash.go
@@ -56,34 +56,33 @@ type Config struct {
 }
 
 // ==== 计算文件哈希 ====
-
-func CalculateHash(filePath string, cfg *Config) (string, error) {
-	info, err := os.Stat(filePath)
-	if err != nil {
-		logger.Log.Warn("[hash]获取文件信息失败", zap.String("path", filePath), zap.Error(err))
-		return "", err
+func Calculate(filePath string, fileSize int64, cfg *Config) (string, error) {
+	if cfg == nil {
+		cfg = &Config{
+			Algorithm: &SHA256Algorithm{},
+		}
 	}
 
-	fileSize := info.Size()
+	if fileSize == 0 {
+		info, err := os.Stat(filePath)
+		if err != nil {
+			logger.Log.Warn("[scanner]获取文件信息失败", zap.String("path", filePath), zap.Error(err))
+			return "", err
+		}
+		fileSize = info.Size()
+	}
 
 	if cfg.Algorithm == nil {
 		cfg.Algorithm = &SHA256Algorithm{}
 	}
 
-	logger.Log.Debug("[hash]计算文件哈希",
-		zap.String("path", filePath),
-		zap.Int64("fileSize", fileSize),
-		zap.String("Algorithm", cfg.Algorithm.Name()))
+	logger.Log.Debug("[scanner]计算文件哈希", zap.String("path", filePath), zap.Int64("size", fileSize), zap.String("algorithm", cfg.Algorithm.Name()))
 
 	if cfg.UseFastHash && fileSize > cfg.Threshold {
-		logger.Log.Debug("[hash] 分层哈希...",
-			zap.String("path", filePath),
-			zap.Int64("fileSize", fileSize),
-		)
 		return calculateFast(filePath, fileSize, cfg)
+	} else {
+		return calculateFull(filePath, cfg)
 	}
-
-	return calculateFull(filePath, cfg)
 }
 
 func calculateFull(filePath string, cfg *Config) (string, error) {
diff --git a/internal/scanner/process/process.go b/internal/scanner/process/process.go
index 11287bb..6918ff8 100644
--- a/internal/scanner/process/process.go
+++ b/internal/scanner/process/process.go
@@ -3,6 +3,7 @@ package process
 import (
 	"fmt"
 	"os"
+	"sysmonitord/internal/config"
 	"sysmonitord/internal/scanner/hash"
 	"sysmonitord/pkg/logger"
 
@@ -18,7 +19,7 @@ type ProcessInfo struct {
 	FileHash string `json:"file_hash"`
 }
 
-func ScanAllProcesses(hashCfg *hash.Config) ([]ProcessInfo, error) {
+func ScanAllProcesses(cfg *config.Config) ([]ProcessInfo, error) {
 	logger.Log.Info("[scan]正在扫描系统中的所有进程...")
 
 	pids, err := process.Pids()
@@ -28,6 +29,13 @@ func ScanAllProcesses(hashCfg *hash.Config) ([]ProcessInfo, error) {
 	}
 
 	var processList []ProcessInfo
+
+	hashCfg, err := cfg.GetHashConfig()
+	if err != nil {
+		logger.Log.Error("[scan]获取哈希配置失败", zap.Error(err))
+		return nil, err
+	}
+
 	for _, pid := range pids {
 		p, err := process.NewProcess(pid)
 		if err != nil {
@@ -58,7 +66,7 @@ func ScanAllProcesses(hashCfg *hash.Config) ([]ProcessInfo, error) {
 
 		if exePath != "" {
 			if _, err := os.Stat(exePath); err == nil {
-				fileHash, err := hash.CalculateHash(exePath, hashCfg)
+				fileHash, err := hash.Calculate(exePath, 0, hashCfg)
 				if err == nil {
 					info.FileHash = fileHash
 				} else {