diff --git a/pkg/compute/models/loadbalancercertificates.go b/pkg/compute/models/loadbalancercertificates.go
index edb3ad0e36..959e907fed 100644
--- a/pkg/compute/models/loadbalancercertificates.go
+++ b/pkg/compute/models/loadbalancercertificates.go
@@ -104,6 +104,10 @@ func (lbcert *SLoadbalancerCertificate) ValidateUpdateData(ctx context.Context,
 		updateData.Set("name", jsonutils.NewString(name))
 	}
 
+	if desc, err := data.GetString("description"); err == nil {
+		updateData.Set("description", jsonutils.NewString(desc))
+	}
+
 	if _, err := lbcert.SVirtualResourceBase.ValidateUpdateData(ctx, userCred, query, updateData); err != nil {
 		return nil, err
 	}
diff --git a/pkg/compute/tasks/eip_associate_task.go b/pkg/compute/tasks/eip_associate_task.go
index ac0b00d4ad..a85972c194 100644
--- a/pkg/compute/tasks/eip_associate_task.go
+++ b/pkg/compute/tasks/eip_associate_task.go
@@ -67,6 +67,7 @@ func (self *EipAssociateTask) OnInit(ctx context.Context, obj db.IStandaloneMode
 
 	if err := driver.RequestAssociateEip(ctx, self.UserCred, server, eip, self); err != nil {
 		self.TaskFail(ctx, eip, err.Error(), server)
+		return
 	}
 
 	server.StartSyncstatus(ctx, self.UserCred, "")
diff --git a/pkg/mcclient/modules/mod_projects.go b/pkg/mcclient/modules/mod_projects.go
index 2139b9f010..5100720ce3 100644
--- a/pkg/mcclient/modules/mod_projects.go
+++ b/pkg/mcclient/modules/mod_projects.go
@@ -317,8 +317,20 @@ func (this *ProjectManagerV3) DoCreateProject(s *mcclient.ClientSession, p jsonu
 	}
 
 	// assgin users to project
-	users := _user.(*jsonutils.JSONArray).GetStringArray()
-	roles := _role.(*jsonutils.JSONArray).GetStringArray()
+	users := []string{}
+	roles := []string{}
+	if _user != nil {
+		if _u, ok := _user.(*jsonutils.JSONArray); ok {
+			users = _u.GetStringArray()
+		}
+	}
+
+	if _role != nil {
+		if _r, ok := _role.(*jsonutils.JSONArray); ok {
+			roles = _r.GetStringArray()
+		}
+	}
+
 	if len(users) > 0 && len(roles) > 0 {
 		var projectG errgroup.Group
 
diff --git a/pkg/mcclient/modules/mod_users.go b/pkg/mcclient/modules/mod_users.go
index bb8b436957..9dfe29ca0d 100644
--- a/pkg/mcclient/modules/mod_users.go
+++ b/pkg/mcclient/modules/mod_users.go
@@ -186,8 +186,20 @@ func (this *UserManagerV3) DoCreateUser(s *mcclient.ClientSession, p jsonutils.J
 	}
 
 	// assgin project & role
-	projects := _project.(*jsonutils.JSONArray).GetStringArray()
-	roles := _role.(*jsonutils.JSONArray).GetStringArray()
+	projects := []string{}
+	roles := []string{}
+	if _project != nil {
+		if _p, ok := _project.(*jsonutils.JSONArray); ok {
+			projects = _p.GetStringArray()
+		}
+	}
+
+	if _role != nil {
+		if _r, ok := _role.(*jsonutils.JSONArray); ok {
+			roles = _r.GetStringArray()
+		}
+	}
+
 	if len(projects) > 0 && len(roles) > 0 {
 		var projectG errgroup.Group