diff --git a/backend/services/license.go b/backend/services/license.go
index 6df0f98..2fbf9bc 100644
--- a/backend/services/license.go
+++ b/backend/services/license.go
@@ -139,7 +139,7 @@ func ActivateLicense(key string) (*models.License, error) {
 		lic := &models.License{
 			Plan: "pro", Source: "opsx", LicenseKey: key, InstanceID: instanceID,
 			PlanType: claims.PlanType, MaxDevices: claims.MaxDevices, Instances: claims.MaxDevices,
-			Edition: editionFromPlanType(claims.PlanType, claims.MaxDevices),
+			Edition:   editionFromPlanType(claims.PlanType, claims.MaxDevices),
 			ExpiresAt: claims.Exp, IssuedAt: time.Unix(claims.Iat, 0), ActivatedAt: time.Now(),
 			LastVerifiedAt: time.Now().Unix(), Customer: claims.Email, InvalidReason: "",
 		}
@@ -233,7 +233,13 @@ func DeactivateLicense() (*DeactivateResult, error) {
 
 	if key != "" && isOpsxLicenseKey(key) {
 		if err := remoteDeactivateLicence(key, instanceID, token); err != nil {
-			return nil, fmt.Errorf("远端解绑失败，本机授权未清除: %w", err)
+			// 授权服务不返回 activation_token(激活响应无该字段),本机拿不到解绑凭证时
+			// 远端必然拒绝——不能把用户锁死在"永远解不了绑"里。降级为仅清本机:
+			// 本机回免费版(用户诉求达成),远端座位由服务端到期/管理员释放。
+			clearStoredLicense()
+			result.OfflineLocalOnly = true
+			result.Message = "已退出授权,本机已回到免费版。远端席位未能自动释放(服务未下发解绑凭证),如需释放请到授权平台管理或联系运营。"
+			return result, nil
 		}
 		clearStoredLicense()
 		result.Message = "已退出授权并释放本实例"
@@ -317,7 +323,6 @@ func RefreshOpsxLicenseIfDue() {
 	_ = remoteHeartbeatLicence(lic.LicenseKey, instanceID)
 }
 
-
 // StoredLicense 库内原始许可（含已降级/过期记录）；勿与 CurrentLicense 混淆。
 func StoredLicense() *models.License {
 	db := repository.GetDB()