fix(邮件验证码): 添加默认过期时间并修复计算错误

当配置中的过期时间为0时，设置默认值为900秒。同时修复Expire字段的计算错误，确保使用正确的过期时间值。

internal/logic/common/sendEmailCodeLogic.go

@@ -89,11 +89,17 @@ func (l *SendEmailCodeLogic) SendEmailCode(req *types.SendCodeRequest) (resp *ty
 	taskPayload.Type = queue.EmailTypeVerify
 	taskPayload.Email = req.Email
 	taskPayload.Subject = "Verification code"
+
+	expireTime := l.svcCtx.Config.VerifyCode.ExpireTime
+	if expireTime == 0 {
+		expireTime = 900
+	}
+	fmt.Printf("expireTime: %v\n", expireTime)
 	taskPayload.Content = map[string]interface{}{
 		"Type":     req.Type,
 		"SiteLogo": l.svcCtx.Config.Site.SiteLogo,
 		"SiteName": l.svcCtx.Config.Site.SiteName,
-		"Expire":   l.svcCtx.Config.VerifyCode.ExpireTime / 60,
+		"Expire":   expireTime / 60,
 		"Code":     code,
 	}
 	// Save to Redis