diff --git a/docs/code-review-issues.md b/docs/code-review-issues.md
index ae1da01..48e8b33 100644
--- a/docs/code-review-issues.md
+++ b/docs/code-review-issues.md
@@ -14,7 +14,7 @@
 
 | # | 问题 | 位置 | 状态 |
 |---|------|------|------|
-| V-39 | **（新发现，高）公开无限流写接口 `/sysError/createSysError`**：挂在 public.Group 无认证（router/audit.go:32）；SecurityRateLimit 仅覆盖 /base/login 与 /base/captcha（rate_limit.go:16）；handler 直接绑定落库无内容限制（handler/audit.go:305-315）；dto Info *string 无长度 binding（dto/audit.go:67-73）——未登录者可无限速 POST 超大 Info 入库（该路径无 MaxBytesReader）→ sys_error 表膨胀 DoS + 伪造错误记录污染排障视图 | server/router/audit.go:32；middleware/rate_limit.go:16；handler/audit.go:305-315；dto/audit.go:67-73 | 十一轮 |
+| ~~V-39~~ | ~~公开无限流写接口 `/sysError/createSysError`~~：已移入鉴权路由组、纳入安全限流，并限制 `Info` 最大长度 | ~~server/router/audit.go；middleware/rate_limit.go；service/dto/audit.go~~ | ~~十一轮~~ |
 | V-33 | 支付指纹严格相等校验对存量订单幂等重放的冲突风险（initialized/pending 存量订单重放报参数冲突而非幂等短路）——修复需兼容旧指纹、区分订单状态、覆盖并发重放，直接放宽会削弱防篡改 | biz/payment/payment.go:645-657 | 十轮发现，专项 |
 | V-24 | Delete↔Create 竞态窗口仍开（锁仅覆盖 Delete，秒传/上传/Complete 的 CreateMedia 路径不持锁）；多副本需数据库/分布式锁 | biz/system/media.go:50,111-143；media_upload.go:100-107,262 | 八轮发现，专项 |
 | V-13b | swagger：空 env fail-open（gin.go:68 仍注册）；gin 白名单 vs main.go 黑名单双清单不一致（qa/uat 时日志谎报）；env 门禁零测试——需统一单一判定函数+环境矩阵测试 | server/gin.go:64-70；cmd/main.go:105-126,171 | 七轮发现，专项 |
@@ -22,19 +22,19 @@
 | V-20 | 前端 token 拼入 URL（完整 JWT 拼二维码 URL）——需后端一次性短时效票据+扫码协议迁移 | web/src/components/upload/QR-code.vue:55 | 六轮发现，专项 |
 | V-15 | **envelope 净化剩余三洞**（全角冒号已修✓——response.go:53 分隔符已扩 ["失败:","失败："]）：① 17 处无冒号/紧贴拼接调用截断不可命中（api.go:137,156、authority.go 9 处、menu.go:170,178,198、user.go:150），非黑名单错误原样透出；② **CodeError data 通道完全无净化**——payment TestProvider Stages[].Message 原始 err 随 data 到前端；③ 净化静默无日志（"不泄露也不可排障"）。另有误伤：宽泛词 marker+约 45 处截断吞 biz 可读提示——需统一错误模型+结构化 Data 脱敏+日志策略 | server/httpx/response.go:32-59；data/payment/payment.go:79-139 | 六轮发现，专项 |
 | V-19 | **证书别名缺口仍在（三层同源✓但键表未补别名——"已纳入键表"声称不实）**：app_cert_content/root_cert_content/pkcs12_content/cert_content/key_content/cert_path 等仍不命中 IsIntegrationSecretKey（后缀表无 *_content/*_path 项，integration_config.go:402-413）→ API 直连提交明文落库并回显，日志 resp_data 同泄；修法：剥后缀匹配词干或显式枚举（勿用裸 content/path 后缀防误伤） | biz/integration/integration_config.go:402-413,329-332,427-435 | 六轮发现，十轮部分+十一轮复核未闭合 |
-| V-30 | **douyin platform_serial_no 仍 required=false（"已改 required"声称不实）**——definition.go:167 第三参 false，校验器 :348-351 仍强制；正确修法需通用 required 循环感知别名（platform_cert_serial）再置 true，否则别名用例（payment_config_test.go:25-33）会被拒 | biz/integration/integration_config_definition.go:166-167；integration_config.go:348-351 | 九轮发现，声称不实 |
+| ~~V-30~~ | ~~douyin `platform_serial_no` required 标记与别名校验不一致~~：字段已标记 required，支付 required 校验同时识别 `platform_cert_serial` 别名 | ~~biz/integration/integration_config_definition.go；integration_config.go~~ | ~~十一轮复核~~ |
 | V-38 | 媒体域裸错误（ErrMediaTooLarge/ErrUploadSessionNotFound）vs AGENTS typed errors 契约——需连同错误码表与 HTTP 映射一起迁移 | biz/system/media.go:52、media_upload.go:21 | 十轮发现，专项 |
 
 ### 待修（正确性缺陷）
 
 | # | 问题 | 位置 | 状态 |
 |---|------|------|------|
-| V-40 | **（新发现，中）上传会话 TTL 按"创建时间"而非"最后活动时间"**：StaleUploadSessionIDs 用 session.updated_at 判陈旧（data:127-131），但 UpsertChunk 只写 chunk 表不 touch 会话行（data:106-112）——大文件跨天续传（创建超 24h 但持续活动）被判 stale 整体清除，续传报"会话不存在" | data/system/media_upload.go:106-112,127-131 | 十一轮 |
+| ~~V-40~~ | ~~上传会话 TTL 未按最后活动时间刷新~~：每次分片写入后同步更新上传会话 `updated_at` | ~~data/system/media_upload.go~~ | ~~十一轮~~ |
 | V-41 | （新发现，中低）merging 仅 1h 宽限（data:129），远程存储 Compose 超 1h 的合法合并被清理并整体失败（有回滚无泄漏，功能误杀） | data/system/media_upload.go:129 | 十一轮 |
 | V-42 | **（新发现，中）dataScopeAuditWriter.Close 无超时且 MySQL DSN 无网络超时**：Close 无限期 `<-w.done`（:67-73）、flush 用 context.Background 无 deadline（:88）、DSN 无 readTimeout/writeTimeout（config.yaml:9,15）——DB 故障时 cleanup 链（data.go:191-198 先 auditLog.Close 后关 DB）被挂起 flush 永久阻塞，进程无法优雅退出 | data/data_scope_audit.go:67-73,88；configs/config.yaml:9,15 | 十一轮 |
 | V-43 | **（新发现，中）前端 token 存 localStorage（7 天长期凭证 XSS 可窃）+ 401 登出回调可被并发弹窗吞掉**（application/index.vue:16 已有弹窗时 show-error 被忽略、handleClose 置 null cb 不执行 → 401 后 token 残留循环） | web/src/pinia/modules/user.js:23；components/application/index.vue:16；utils/request.js:231-241 | 十一轮 |
-| V-44 | （新发现，低）V-36 词表收窄的噪音回归："导出token无效或已过期"（export.go:222）不再命中词表——该路由 public（catalog.go:107,109），匿名坏 token 请求以 200+CodeError 进 ErrorAudit 落 sys_error 表，可被匿名刷量 | handler/export.go:222；middleware/error_audit.go:26-45,73 | 十一轮 |
-| V-45 | （新发现，低）sysError 写路径自身失败无日志：isSelfAudit 豁免（error_audit.go:25-27）声称"handler 已记录"，但 CreateError 失败仅 Fail（handler/audit.go:305-315）无任何日志——静默失败盲区 | middleware/error_audit.go:25-27；handler/audit.go:305-315 | 十一轮 |
+| ~~V-44~~ | ~~V-36 词表收窄导致“导出token无效或已过期”不再命中~~：已补充 `token无效` 匹配 | ~~middleware/error_audit.go~~ | ~~十一轮~~ |
+| ~~V-45~~ | ~~sysError 写路径失败无日志~~：创建失败时已记录结构化错误日志 | ~~server/handler/audit.go~~ | ~~十一轮~~ |
 | V-46 | （新发现，低）调度器启动重试无上限无退避：永久性错误（cron 解析失败整批 return err，task_scheduler.go:204-207）会每 5s 重试永不成功+刷 Warn 日志（约 720 条/小时）——需区分永久/暂时性错误 | worker/task_scheduler.go:93-112,204-207 | 十一轮（V-35 修复残留） |
 | V-47 | （新发现，低）PersistRuntimeConfig 三段写非原子（先 storage 再 email 再 config，任一失败返回）——前面已写的集成配置与未替换的 runtime 出现不一致窗口 | data/initialization_backend.go:74-83 | 十一轮 |
 | V-31 残留 | UpdateMediaName 仍透传 gorm 原文（404 语义丢失） | data/system/media.go:125-127 | 九轮，部分修复 |
@@ -48,7 +48,7 @@
 | Z-13 残留 | cors.go:13-14 逗号空格、audit.go:104 单行 13 字段、audit.go:46-47 空 else-if——纯格式问题（用户评估：格式化工具统一处理） | server/middleware/ | 八轮，评估暂缓 |
 | Z-17 | scanUpload.vue 空 catch 吞路由就绪异常——需统一前端错误上报 | web/src/view/media/scanUpload.vue:115-116 | 九轮，专项 |
 | Z-22 | （新发现）Z-19 清理后前端死代码残留：image.js:32-35 空 if 块+未使用 newImgSize；global.js:51,54 未使用 allKeys+悬空比较表达式；另 3 处已注释 console 代码（cropper.vue:198、upload.vue:363、menus.vue:302） | web/src/utils/image.js:32-35；core/global.js:51,54 | 十一轮 |
-| Z-23 | （新发现，V-30 关联）douyin 别名分支放错校验器：integration_config.go:247-249 在 validateCommunicationIntegrationConfig（仅 MQ/WS 走入）里写 douyin 支付的别名回退——该分支不可达，死代码 | biz/integration/integration_config.go:247-249 | 十一轮 |
+| ~~Z-23~~ | ~~douyin 别名分支放错校验器~~：已移除通信校验器中的不可达分支，别名逻辑归入支付校验器 | ~~biz/integration/integration_config.go~~ | ~~十一轮~~ |
 | Z-24 | （新发现）秒传分支变量名 `copy` 遮蔽内置函数（可读性） | biz/system/media_upload.go:100 | 十一轮 |
 
 ## 三、重复实现 / 双轨残留
diff --git a/internal/biz/integration/integration_config.go b/internal/biz/integration/integration_config.go
index 6165fbb..3e6d6ec 100644
--- a/internal/biz/integration/integration_config.go
+++ b/internal/biz/integration/integration_config.go
@@ -244,9 +244,6 @@ func validateCommunicationIntegrationConfig(kind, provider string, values map[st
 	}
 	for _, field := range definition.Fields {
 		value := integrationText(values, field.Key)
-		if provider == bizpayment.PaymentDouyin && field.Key == "platform_serial_no" {
-			value = integrationFirst(values, "platform_serial_no", "platform_cert_serial")
-		}
 		if field.Required && value == "" {
 			return fmt.Errorf("%s 缺少配置字段 %s", provider, field.Key)
 		}
@@ -316,7 +313,11 @@ func validatePaymentIntegrationConfig(provider string, values map[string]any) er
 		return errors.New("不支持的支付渠道")
 	}
 	for _, field := range definition.Fields {
-		if field.Required && integrationText(values, field.Key) == "" {
+		value := integrationText(values, field.Key)
+		if provider == bizpayment.PaymentDouyin && field.Key == "platform_serial_no" {
+			value = integrationFirst(values, "platform_serial_no", "platform_cert_serial")
+		}
+		if field.Required && value == "" {
 			return fmt.Errorf("%s 缺少配置字段 %s", provider, field.Key)
 		}
 	}
diff --git a/internal/biz/integration/integration_config_definition.go b/internal/biz/integration/integration_config_definition.go
index 7eb32e8..b93d453 100644
--- a/internal/biz/integration/integration_config_definition.go
+++ b/internal/biz/integration/integration_config_definition.go
@@ -164,7 +164,7 @@ var integrationDefinitions = map[string][]IntegrationConfigDefinition{
 		paymentDefinition(bizpayment.PaymentApple, "Apple IAP", "Apple App Store Server API", map[string]any{"issuer_id": "", "key_id": "", "bundle_id": "", "private_key": "", "price_divisor": 10, "environment": "production", "test_product_id": "", "test_transaction_id": ""},
 			integrationField("issuer_id", "Issuer ID", true, false, "text"), integrationField("key_id", "Key ID", true, false, "text"), integrationField("bundle_id", "Bundle ID", true, false, "text"), integrationField("private_key", "P8 私钥", true, true, "textarea"), integrationField("price_divisor", "价格除数", false, false, "number"), integrationSelect("environment", "环境", false, "production", "sandbox"), integrationField("test_product_id", "测试商品 ID", false, false, "text"), integrationField("test_transaction_id", "沙箱交易 ID", false, false, "text")),
 		paymentDefinition(bizpayment.PaymentDouyin, "抖音支付", "抖音开放平台支付", map[string]any{"app_id": "", "merchant_id": "", "serial_no": "", "api_key": "", "private_key": "", "platform_cert": "", "platform_serial_no": "", "trade_type": "jsapi", "environment": "production"},
-			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("platform_cert", "平台证书", true, true, "textarea"), integrationField("platform_serial_no", "平台证书序列号", false, false, "text"), integrationSelect("trade_type", "默认交易类型", false, "app", "jsapi", "h5", "native"), integrationSelect("environment", "环境", false, "production")),
+			integrationField("app_id", "应用 ID", true, false, "text"), integrationField("merchant_id", "商户号", true, false, "text"), integrationField("serial_no", "商户证书序列号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationField("private_key", "商户私钥", true, true, "textarea"), integrationField("platform_cert", "平台证书", true, true, "textarea"), integrationField("platform_serial_no", "平台证书序列号", true, false, "text"), integrationSelect("trade_type", "默认交易类型", false, "app", "jsapi", "h5", "native"), integrationSelect("environment", "环境", false, "production")),
 		paymentDefinition(bizpayment.PaymentQQ, "QQ 钱包", "QQ 钱包支付", map[string]any{"mch_id": "", "api_key": "", "sign_type": "MD5", "trade_type": "NATIVE", "cert_file": "", "key_file": "", "environment": "production"},
 			integrationField("mch_id", "商户号", true, false, "text"), integrationField("api_key", "API 密钥", true, true, "password"), integrationSelect("sign_type", "签名算法", false, "MD5", "HMAC-SHA256"), integrationSelect("trade_type", "默认交易类型", false, "JSAPI", "NATIVE", "APP", "MICROPAY"), integrationField("cert_file", "退款证书路径", false, false, "text"), integrationField("key_file", "退款私钥路径", false, true, "text"), integrationSelect("environment", "环境", false, "production")),
 		paymentDefinition(bizpayment.PaymentAllinPay, "通联支付", "通联收银宝支付", map[string]any{"cus_id": "", "app_id": "", "private_key": "", "public_key": "", "org_id": "", "pay_type": "W02", "query_order_type": "reqsn", "currency": "CNY", "environment": "production"},
diff --git a/internal/data/system/media_upload.go b/internal/data/system/media_upload.go
index 740ec38..34bf3ae 100644
--- a/internal/data/system/media_upload.go
+++ b/internal/data/system/media_upload.go
@@ -105,10 +105,16 @@ func (r *mediaRepo) DeleteUploadSession(ctx context.Context, id uint) error {
 }
 func (r *mediaRepo) UpsertChunk(ctx context.Context, uploadID uint, v *system.UploadChunk) error {
 	po := uploadChunkPO{UploadID: uploadID, ChunkIndex: v.Index, ChunkHash: v.Hash, Size: v.Size}
-	return r.data.DB().WithContext(ctx).Clauses(clause.OnConflict{
+	if err := r.data.DB().WithContext(ctx).Clauses(clause.OnConflict{
 		Columns:   []clause.Column{{Name: "upload_id"}, {Name: "chunk_index"}},
 		DoUpdates: clause.AssignmentColumns([]string{"chunk_hash", "size", "updated_at", "deleted_at"}),
-	}).Create(&po).Error
+	}).Create(&po).Error; err != nil {
+		return err
+	}
+	if err := r.data.DB().WithContext(ctx).Model(&uploadSessionPO{}).Where("id = ? AND status = ?", uploadID, "uploading").Update("updated_at", time.Now()).Error; err != nil {
+		return err
+	}
+	return nil
 }
 func (r *mediaRepo) ListChunks(ctx context.Context, uploadID uint) ([]*system.UploadChunk, error) {
 	var pos []uploadChunkPO
diff --git a/internal/server/handler/audit.go b/internal/server/handler/audit.go
index ee036f3..241f754 100644
--- a/internal/server/handler/audit.go
+++ b/internal/server/handler/audit.go
@@ -309,6 +309,9 @@ func (h *Audit) CreateError(c *gin.Context) {
 		return
 	}
 	if err := h.recorder.CreateErrorMutationRequest(c.Request.Context(), &req); err != nil {
+		if h.logger != nil {
+			h.logger.ErrorContext(c.Request.Context(), "创建错误记录失败", "mod", "audit", "error", err)
+		}
 		Fail(c, "创建失败")
 		return
 	}
diff --git a/internal/server/middleware/error_audit.go b/internal/server/middleware/error_audit.go
index c64ee74..ca7ce7c 100644
--- a/internal/server/middleware/error_audit.go
+++ b/internal/server/middleware/error_audit.go
@@ -70,7 +70,7 @@ func failureLogModule(path string) string {
 }
 
 func expectedClientFailure(message string) bool {
-	for _, value := range []string{"参数错误", "请输入用户名和密码", "验证码错误", "用户名不存在或者密码错误", "用户被禁止登录", "账号已锁定", "请求太过频繁", "权限不足", "密码已过期", "未登录", "token 失效", "令牌失效"} {
+	for _, value := range []string{"参数错误", "请输入用户名和密码", "验证码错误", "用户名不存在或者密码错误", "用户被禁止登录", "账号已锁定", "请求太过频繁", "权限不足", "密码已过期", "未登录", "token 失效", "token无效", "令牌失效"} {
 		if strings.Contains(message, value) {
 			return true
 		}
diff --git a/internal/server/middleware/rate_limit.go b/internal/server/middleware/rate_limit.go
index 0915e06..f9fd599 100644
--- a/internal/server/middleware/rate_limit.go
+++ b/internal/server/middleware/rate_limit.go
@@ -13,7 +13,7 @@ import (
 func SecurityRateLimit(settings *systemservice.SecurityService) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		path := strings.TrimSuffix(c.Request.URL.Path, "/")
-		if !strings.HasSuffix(path, "/base/login") && !strings.HasSuffix(path, "/base/captcha") {
+		if !strings.HasSuffix(path, "/base/login") && !strings.HasSuffix(path, "/base/captcha") && !strings.HasSuffix(path, "/sysError/createSysError") {
 			c.Next()
 			return
 		}
diff --git a/internal/server/router/audit.go b/internal/server/router/audit.go
index ccd9636..7e853ba 100644
--- a/internal/server/router/audit.go
+++ b/internal/server/router/audit.go
@@ -29,5 +29,5 @@ func RegisterAudit(group, public *gin.RouterGroup, h *handler.Audit) {
 	errors.PUT("/updateSysError", h.UpdateError)
 	errors.GET("/findSysError", h.Error)
 	errors.GET("/getSysErrorList", h.Errors)
-	public.Group("/sysError").POST("/createSysError", h.CreateError)
+	group.Group("/sysError").POST("/createSysError", h.CreateError)
 }
diff --git a/internal/service/dto/audit.go b/internal/service/dto/audit.go
index 0235d4a..2d43e8e 100644
--- a/internal/service/dto/audit.go
+++ b/internal/service/dto/audit.go
@@ -67,7 +67,7 @@ type ErrorRecordRequest struct {
 type ErrorRecordMutationRequest struct {
 	ID        uint    `json:"ID"`
 	Form      *string `json:"form" binding:"required"`
-	Info      *string `json:"info"`
+	Info      *string `json:"info" binding:"max=16384"`
 	Level     string  `json:"level"`
 	RequestID string  `json:"request_id"`
 	TraceID   string  `json:"trace_id"`