diff --git a/middleware/init_request.go b/middleware/init_request.go
index 61bb406..3cbd8f3 100644
--- a/middleware/init_request.go
+++ b/middleware/init_request.go
@@ -12,7 +12,7 @@ import (
 	"strings"
 	"time"
 
-	"git.zhangdeman.cn/zhangdeman/wrapper"
+	"git.zhangdeman.cn/zhangdeman/wrapper/op_string"
 
 	"git.zhangdeman.cn/zhangdeman/gin/define"
 
@@ -48,7 +48,7 @@ func getTraceID(ctx *gin.Context) string {
 		time.Now().UnixNano()/1e6,
 		strings.ReplaceAll(networkUtil.IP.GetHostIP(), ".", ""),
 		strings.ReplaceAll(networkUtil.IP.GetRemoteIP(ctx.Request), ".", ""),
-		wrapper.StringFromRandom(32, "").Md5().Value,
+		op_string.Md5(op_string.Random(32, "")).Value,
 	)
 }