From 4cffc3d51090723bd582e31eef92d2d7ecaf99f9 Mon Sep 17 00:00:00 2001
From: 1 <1@72wo.cn>
Date: Sun, 21 Dec 2025 17:22:43 +0000
Subject: [PATCH] =?UTF-8?q?refactor(login):=20=E4=BD=BF=E7=94=A8gf/grand?=
 =?UTF-8?q?=E6=9B=BF=E4=BB=A3math/rand=E7=94=9F=E6=88=90=E4=BC=9A=E8=AF=9D?=
 =?UTF-8?q?ID=E9=9A=8F=E6=9C=BA=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 modules/blazing/service/login.go | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/modules/blazing/service/login.go b/modules/blazing/service/login.go
index 978aa3583..fff092c7a 100644
--- a/modules/blazing/service/login.go
+++ b/modules/blazing/service/login.go
@@ -6,9 +6,9 @@ import (
 
 	"encoding/binary"
 	"encoding/hex"
-	"math/rand"
 	"strings"
 
+	"github.com/gogf/gf/v2/util/grand"
 	"github.com/google/uuid"
 )
 
@@ -44,12 +44,6 @@ func (s *LoginService) GetSessionId(accountID uint) (string, string, error) {
 		return "", "", err
 	}
 
-	// 生成4字节安全随机数（使用crypto/rand提高随机性，适合会话ID场景）
-	randomBytes := make([]byte, 4)
-	if _, err := rand.Read(randomBytes); err != nil {
-		return "", "", err
-	}
-
 	// 将accountID转换为4字节大端序字节数组
 	accountBytes := make([]byte, 4)
 	binary.BigEndian.PutUint32(accountBytes, uint32(accountID))
@@ -58,7 +52,7 @@ func (s *LoginService) GetSessionId(accountID uint) (string, string, error) {
 	sessionBytes := make([]byte, 0, 24)
 	sessionBytes = append(sessionBytes, accountBytes...)
 	sessionBytes = append(sessionBytes, uuidBytes...)
-	sessionBytes = append(sessionBytes, randomBytes...)
+	sessionBytes = append(sessionBytes, grand.B(4)...)
 
 	// 编码为十六进制字符串作为最终会话ID
 	sessionID := hex.EncodeToString(sessionBytes)