diff --git a/cmd/climc/shell/quotas.go b/cmd/climc/shell/quotas.go
index 78d520d885..b6fc4fb17f 100644
--- a/cmd/climc/shell/quotas.go
+++ b/cmd/climc/shell/quotas.go
@@ -63,6 +63,7 @@ func init() {
 		Tenant        string `help:"Tenant name or ID to set quota" json:"tenant,omitempty"`
 		ProjectDomain string `help:"Domain name or ID to set quota" json:"domain,omitempty"`
 		Action        string `help:"quota set action" choices:"add|reset"`
+		Cascade       bool   `help:"cascade set quota so that auto increment domain quota if total project quota exceeds parent domain quota"`
 		QuotaBaseOptions
 	}
 	R(&QuotaSetOptions{}, "quota-set", "Set quota for tenant", func(s *mcclient.ClientSession, args *QuotaSetOptions) error {
diff --git a/docs/parameters/quota.yaml b/docs/parameters/quota.yaml
index ce4ade8213..d3dc3d2058 100644
--- a/docs/parameters/quota.yaml
+++ b/docs/parameters/quota.yaml
@@ -35,6 +35,9 @@ quotas:
       type: string
       description: 设置配额的方式，可能值为set，add和reset，分别代表设置，增加和重置为初始值
       default: set
+    cascade:
+      type: boolean
+      description: 设置项目配额时，如果项目总配额超过域配额，则自动调整域配额
     cpu:
       type: integer
       description: 设置CPU配额，单位为个
diff --git a/pkg/cloudcommon/db/quotas/handler.go b/pkg/cloudcommon/db/quotas/handler.go
index 4b9ded402e..0fe2245284 100644
--- a/pkg/cloudcommon/db/quotas/handler.go
+++ b/pkg/cloudcommon/db/quotas/handler.go
@@ -167,15 +167,15 @@ func (manager *SQuotaBaseManager) getQuotaHanlder(ctx context.Context, w http.Re
 	appsrv.SendJSON(w, body)
 }
 
-func FetchSetQuotaScope(ctx context.Context, userCred mcclient.TokenCredential, data jsonutils.JSONObject) (mcclient.IIdentityProvider, rbacutils.TRbacScope, error) {
+func FetchSetQuotaScope(ctx context.Context, userCred mcclient.TokenCredential, data jsonutils.JSONObject) (mcclient.IIdentityProvider, rbacutils.TRbacScope, rbacutils.TRbacScope, error) {
 	var scope rbacutils.TRbacScope
 	ownerId, err := db.FetchProjectInfo(ctx, data)
 	if err != nil {
-		return nil, scope, err
+		return nil, scope, scope, err
 	}
+	var requestScope rbacutils.TRbacScope
 	ownerScope := policy.PolicyManager.AllowScope(userCred, consts.GetServiceType(), quotaKeywords, policy.PolicyActionUpdate)
 	if ownerId != nil {
-		var requestScope rbacutils.TRbacScope
 		if len(ownerId.GetProjectId()) > 0 {
 			// project level
 			scope = rbacutils.ScopeProject
@@ -189,14 +189,15 @@ func FetchSetQuotaScope(ctx context.Context, userCred mcclient.TokenCredential,
 			scope = rbacutils.ScopeDomain
 			requestScope = rbacutils.ScopeSystem
 		}
-		if requestScope.HigherThan(ownerScope) {
-			return nil, scope, httperrors.NewForbiddenError("not enough privilleges")
-		}
 	} else {
 		ownerId = userCred
 		scope = rbacutils.ScopeProject
+		requestScope = rbacutils.ScopeDomain
 	}
-	return ownerId, scope, nil
+	if requestScope.HigherThan(ownerScope) {
+		return nil, scope, scope, httperrors.NewForbiddenError("not enough privilleges")
+	}
+	return ownerId, scope, ownerScope, nil
 }
 
 func (manager *SQuotaBaseManager) setQuotaHanlder(ctx context.Context, w http.ResponseWriter, r *http.Request) {
@@ -211,7 +212,7 @@ func (manager *SQuotaBaseManager) setQuotaHanlder(ctx context.Context, w http.Re
 	} else if len(domainId) > 0 {
 		data.Add(jsonutils.NewString(domainId), "project_domain")
 	}
-	ownerId, scope, err := FetchSetQuotaScope(ctx, userCred, data)
+	ownerId, scope, allowScope, err := FetchSetQuotaScope(ctx, userCred, data)
 	if err != nil {
 		httperrors.GeneralServerError(w, err)
 		return
@@ -266,9 +267,26 @@ func (manager *SQuotaBaseManager) setQuotaHanlder(ctx context.Context, w http.Re
 		total.Add(oquota)
 		err = total.Exceed(quota, domainQuota)
 		if err != nil {
-			log.Errorf("project quota exeed domain quota: %s", err)
-			httperrors.OutOfQuotaError(w, "project quota exeed domain quota")
-			return
+			// exeed domain quota
+			cascade, _ := body.Bool(manager.KeywordPlural(), "cascade")
+			if !cascade {
+				log.Errorf("project quota exeed domain quota: %s", err)
+				httperrors.OutOfQuotaError(w, "project quota exeed domain quota")
+				return
+			} else {
+				if allowScope != rbacutils.ScopeSystem {
+					httperrors.OutOfQuotaError(w, "project quota exeed domain quota, no previlige to cascade set")
+					return
+				} else {
+					// cascade set domain quota
+					err = manager.SetQuota(ctx, userCred, rbacutils.ScopeDomain, ownerId, nil, total)
+					if err != nil {
+						log.Errorf("cascade set quota fail %s", err)
+						httperrors.GeneralServerError(w, err)
+						return
+					}
+				}
+			}
 		}
 	} else {
 		total, err := manager.getDomainTotalQuota(ctx, ownerId.GetProjectDomainId(), nil)