diff --git a/internal/common/helper.go b/internal/common/helper.go
index fd85e94..35d55ee 100644
--- a/internal/common/helper.go
+++ b/internal/common/helper.go
@@ -1,9 +1,8 @@
 package common
 
 import (
-	"crypto/sha1"
-	"encoding/hex"
 	"fmt"
+	"hash/crc32"
 	"io/fs"
 	"log"
 	"net/http"
@@ -11,6 +10,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"sync"
 
 	"metazone.cc/metalab/internal/model"
@@ -24,7 +24,7 @@ var (
 	assetOnce   sync.Once
 )
 
-// ComputeAssetHashes 遍历 static 目录，计算每个文件的 SHA-1 前 8 位作为版本号
+// ComputeAssetHashes 遍历 static 目录，计算每个文件的 CRC32作为版本号
 func ComputeAssetHashes(templateDir string) {
 	assetHashes = make(map[string]string)
 	staticDir := filepath.Join(templateDir, "static")
@@ -41,8 +41,8 @@ func ComputeAssetHashes(templateDir string) {
 		if err != nil {
 			return nil
 		}
-		h := sha1.Sum(data)
-		shortHash := hex.EncodeToString(h[:])[:8]
+		h := crc32.ChecksumIEEE(data)
+		shortHash := strconv.FormatUint(uint64(h), 16)
 		// 生成 URL 路径：/static/...
 		rel, _ := filepath.Rel(filepath.Dir(templateDir), path)
 		urlPath := "/" + filepath.ToSlash(rel)
@@ -63,8 +63,8 @@ func ComputeAssetHashes(templateDir string) {
 		if err != nil {
 			return nil
 		}
-		h := sha1.Sum(data)
-		shortHash := hex.EncodeToString(h[:])[:8]
+		h := crc32.ChecksumIEEE(data)
+		shortHash := strconv.FormatUint(uint64(h), 16)
 		rel, _ := filepath.Rel(filepath.Dir(templateDir), path)
 		urlPath := "/" + filepath.ToSlash(rel)
 		assetHashes[urlPath] = shortHash
@@ -84,8 +84,8 @@ func ComputeAssetHashes(templateDir string) {
 		if err != nil {
 			return nil
 		}
-		h := sha1.Sum(data)
-		shortHash := hex.EncodeToString(h[:])[:8]
+		h := crc32.ChecksumIEEE(data)
+		shortHash := strconv.FormatUint(uint64(h), 16)
 		rel, _ := filepath.Rel(filepath.Dir(templateDir), path)
 		urlPath := "/" + filepath.ToSlash(rel)
 		assetHashes[urlPath] = shortHash