diff --git a/pkg/api/session.go b/pkg/api/session.go
index 7b99446..20e2dbc 100644
--- a/pkg/api/session.go
+++ b/pkg/api/session.go
@@ -180,6 +180,18 @@ func SessionCreateEndpoint(c echo.Context) error {
 	assetId := c.QueryParam("assetId")
 	user, _ := GetCurrentAccount(c)
 
+	if model.TypeUser == user.Type {
+		// 检测是否有访问权限
+		assetIds, err := model.FindAssetIdsByUserId(user.ID)
+		if err != nil {
+			return err
+		}
+
+		if !utils.Contains(assetIds, assetId) {
+			return errors.New("您没有权限访问此资产")
+		}
+	}
+
 	asset, err := model.FindAssetById(assetId)
 	if err != nil {
 		return err
diff --git a/pkg/api/user.go b/pkg/api/user.go
index b5dd86e..2cab914 100644
--- a/pkg/api/user.go
+++ b/pkg/api/user.go
@@ -72,6 +72,17 @@ func UserDeleteEndpoint(c echo.Context) error {
 		if account.ID == userId {
 			return Fail(c, -1, "不允许删除自身账户")
 		}
+		// 将用户强制下线
+		loginLogs, err := model.FindAliveLoginLogsByUserId(userId)
+		if err != nil {
+			return err
+		}
+		if loginLogs != nil && len(loginLogs) > 0 {
+			for j := range loginLogs {
+				model.Logout(loginLogs[j].ID)
+			}
+		}
+		// 删除用户
 		model.DeleteUserById(userId)
 	}
 
diff --git a/pkg/model/login-log.go b/pkg/model/login-log.go
index 2830eba..03c279c 100644
--- a/pkg/model/login-log.go
+++ b/pkg/model/login-log.go
@@ -81,15 +81,15 @@ func FindLoginLogById(id string) (o LoginLog, err error) {
 	return
 }
 
-func Logout(id string) {
+func Logout(token string) {
 
-	loginLog, err := FindLoginLogById(id)
+	loginLog, err := FindLoginLogById(token)
 	if err != nil {
-		logrus.Warnf("登录日志「%v」获取失败", id)
+		logrus.Warnf("登录日志「%v」获取失败", token)
 		return
 	}
 
-	global.DB.Table("login_logs").Where("id = ?", id).Update("logout_time", utils.NowJsonTime())
+	global.DB.Table("login_logs").Where("token = ?", token).Update("logout_time", utils.NowJsonTime())
 
 	loginLogs, err := FindAliveLoginLogsByUserId(loginLog.UserId)
 	if err != nil {
diff --git a/pkg/model/resource-sharer.go b/pkg/model/resource-sharer.go
index 2a23a7e..d75c919 100644
--- a/pkg/model/resource-sharer.go
+++ b/pkg/model/resource-sharer.go
@@ -145,3 +145,21 @@ func AddSharerResources(userGroupId, userId, resourceType string, resourceIds []
 		return nil
 	})
 }
+
+func FindAssetIdsByUserId(userId string) (assetIds []string, err error) {
+	groupIds, err := FindUserGroupIdsByUserId(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	db := global.DB
+	db = db.Table("resource_sharers").Select("resource_id").Where("user_id = ?", userId)
+	if groupIds != nil && len(groupIds) > 0 {
+		db = db.Or("user_group_id in ?", groupIds)
+	}
+	err = db.Find(&assetIds).Error
+	if assetIds == nil {
+		assetIds = make([]string, 0)
+	}
+	return
+}
diff --git a/pkg/model/user.go b/pkg/model/user.go
index 963c83c..a03cac1 100644
--- a/pkg/model/user.go
+++ b/pkg/model/user.go
@@ -101,6 +101,10 @@ func UpdateUserById(o *User, id string) {
 
 func DeleteUserById(id string) {
 	global.DB.Where("id = ?", id).Delete(&User{})
+	// 删除用户组中的用户关系
+	global.DB.Where("user_id = ?", id).Delete(&UserGroupMember{})
+	// 删除用户分享到的资产
+	global.DB.Where("user_id = ?", id).Delete(&ResourceSharer{})
 }
 
 func CountUser() (total int64, err error) {
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 14a477c..8d0b22f 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -143,3 +143,12 @@ func Sign(a []string) string {
 	has := md5.Sum(data)
 	return fmt.Sprintf("%x", has)
 }
+
+func Contains(s []string, str string) bool {
+	for _, v := range s {
+		if v == str {
+			return true
+		}
+	}
+	return false
+}
diff --git a/web/src/components/access/Access.js b/web/src/components/access/Access.js
index 7353440..b6e682c 100644
--- a/web/src/components/access/Access.js
+++ b/web/src/components/access/Access.js
@@ -28,7 +28,8 @@ import {
     CloudUploadOutlined,
     CopyOutlined,
     DeleteOutlined,
-    DesktopOutlined, ExclamationCircleOutlined,
+    DesktopOutlined,
+    ExclamationCircleOutlined,
     ExpandOutlined,
     FileZipOutlined,
     FolderAddOutlined,
@@ -37,7 +38,7 @@ import {
     UploadOutlined
 } from '@ant-design/icons';
 import Upload from "antd/es/upload";
-import {download, exitFull, getToken, requestFullScreen} from "../../utils/utils";
+import {download, exitFull, getToken, isEmpty, requestFullScreen} from "../../utils/utils";
 import './Access.css'
 import Draggable from 'react-draggable';
 
@@ -100,6 +101,9 @@ class Access extends Component {
         let assetsId = params.get('assetsId');
         let protocol = params.get('protocol');
         let sessionId = await this.createSession(assetsId);
+        if (isEmpty(sessionId)) {
+            return;
+        }
 
         this.setState({
             sessionId: sessionId,
@@ -157,7 +161,7 @@ class Access extends Component {
     }
 
     onTunnelStateChange = (state) => {
-        if(state === Guacamole.Tunnel.State.CLOSED){
+        if (state === Guacamole.Tunnel.State.CLOSED) {
             this.showMessage('连接已关闭');
         }
     };
@@ -285,7 +289,7 @@ class Access extends Component {
         message.destroy();
         Modal.confirm({
             title: '提示',
-            icon: <ExclamationCircleOutlined />,
+            icon: <ExclamationCircleOutlined/>,
             content: msg,
             centered: true,
             okText: '重新连接',
@@ -428,12 +432,12 @@ class Access extends Component {
 
     async createSession(assetsId) {
         let result = await request.post(`/sessions?assetId=${assetsId}`);
-        if (result.code !== 1) {
-            message.error(result.message, 10);
-            return;
+        if (result['code'] !== 1) {
+            this.showMessage(result['message']);
+            return null;
         }
-        document.title = result.data['ip'] + ':' + result.data['port'];
-        return result.data['id'];
+        document.title = result['data']['ip'] + ':' + result['data']['port'];
+        return result['data']['id'];
     }
 
     async renderDisplay(sessionId, protocol) {