diff --git a/easytier-gui/locales/cn.yml b/easytier-gui/locales/cn.yml
index 49633c3..bb66a04 100644
--- a/easytier-gui/locales/cn.yml
+++ b/easytier-gui/locales/cn.yml
@@ -13,6 +13,7 @@ proxy_cidrs: 子网代理CIDR
 enable_vpn_portal: 启用VPN门户
 vpn_portal_listen_port: 监听端口
 vpn_portal_client_network: 客户端子网
+dev_name: TUN接口名称
 advanced_settings: 高级设置
 basic_settings: 基础设置
 listener_urls: 监听地址
@@ -45,6 +46,7 @@ enable_auto_launch: 开启开机自启
 exit: 退出
 chips_placeholder: 例如： {0}, 按回车添加
 hostname_placeholder: '留空默认为主机名: {0}'
+dev_name_placeholder: 注意：当多个网络同时使用相同的TUN接口名称时，将会在设置TUN的IP时产生冲突，留空以自动生成随机名称
 off_text: 点击关闭
 on_text: 点击开启
 show_config: 显示配置
diff --git a/easytier-gui/locales/en.yml b/easytier-gui/locales/en.yml
index 588b2a9..a0fe185 100644
--- a/easytier-gui/locales/en.yml
+++ b/easytier-gui/locales/en.yml
@@ -13,6 +13,7 @@ proxy_cidrs: Subnet Proxy CIDRs
 enable_vpn_portal: Enable VPN Portal
 vpn_portal_listen_port: VPN Portal Listen Port
 vpn_portal_client_network: Client Sub Network
+dev_name: TUN interface name
 advanced_settings: Advanced Settings
 basic_settings: Basic Settings
 listener_urls: Listener URLs
@@ -46,6 +47,7 @@ exit: Exit
 use_latency_first: Latency First Mode
 chips_placeholder: 'e.g: {0}, press Enter to add'
 hostname_placeholder: 'Leave blank and default to host name: {0}'
+dev_name_placeholder: 'Note: When multiple networks use the same TUN interface name at the same time, there will be a conflict when setting the TUN''s IP. Leave blank to automatically generate a random name.'
 off_text: Press to disable
 on_text: Press to enable
 show_config: Show Config
diff --git a/easytier-gui/src-tauri/src/lib.rs b/easytier-gui/src-tauri/src/lib.rs
index 08bbe0f..2433dbe 100644
--- a/easytier-gui/src-tauri/src/lib.rs
+++ b/easytier-gui/src-tauri/src/lib.rs
@@ -61,6 +61,8 @@ struct NetworkConfig {
     listener_urls: Vec<String>,
     rpc_port: i32,
     latency_first: bool,
+
+    dev_name: String,
 }
 
 impl NetworkConfig {
@@ -163,6 +165,7 @@ impl NetworkConfig {
         }
         let mut flags = Flags::default();
         flags.latency_first = self.latency_first;
+        flags.dev_name = self.dev_name.clone();
         cfg.set_flags(flags);
         Ok(cfg)
     }
diff --git a/easytier-gui/src/components/Config.vue b/easytier-gui/src/components/Config.vue
index 4072bc8..6c008f7 100644
--- a/easytier-gui/src/components/Config.vue
+++ b/easytier-gui/src/components/Config.vue
@@ -174,7 +174,7 @@ onMounted(async () => {
                 <label for="network_secret">{{ t('network_secret') }}</label>
                 <InputText
                   id="network_secret" v-model="curNetwork.network_secret"
-                  aria-describedby=" network_secret-help"
+                  aria-describedby="network_secret-help"
                 />
               </div>
             </div>
@@ -278,11 +278,21 @@ onMounted(async () => {
               <div class="flex flex-column gap-2 basis-5/12 grow">
                 <label for="rpc_port">{{ t('rpc_port') }}</label>
                 <InputNumber
-                  id="rpc_port" v-model="curNetwork.rpc_port" aria-describedby="username-help"
+                  id="rpc_port" v-model="curNetwork.rpc_port" aria-describedby="rpc_port-help"
                   :format="false" :min="0" :max="65535"
                 />
               </div>
             </div>
+
+            <div class="flex flex-row gap-x-9 flex-wrap">
+              <div class="flex flex-column gap-2 basis-5/12 grow">
+                <label for="dev_name">{{ t('dev_name') }}</label>
+                <InputText
+                  id="dev_name" v-model="curNetwork.dev_name" aria-describedby="dev_name-help" :format="true"
+                  :placeholder="t('dev_name_placeholder')"
+                />
+              </div>
+            </div>
           </div>
         </Panel>
 
diff --git a/easytier-gui/src/components/Status.vue b/easytier-gui/src/components/Status.vue
index 5ec20ad..6bb4b70 100644
--- a/easytier-gui/src/components/Status.vue
+++ b/easytier-gui/src/components/Status.vue
@@ -131,8 +131,16 @@ const myNodeInfoChips = computed(() => {
   if (!my_node_info)
     return chips
 
-  // virtual ipv4
+  // TUN Device Name
+  const dev_name = curNetworkInst.value.detail?.dev_name
+  if (dev_name) {
+    chips.push({
+      label: `TUN Device Name: ${dev_name}`,
+      icon: '',
+    } as Chip)
+  }
 
+  // virtual ipv4
   chips.push({
     label: `Virtual IPv4: ${my_node_info.virtual_ipv4}`,
     icon: '',
diff --git a/easytier-gui/src/types/network.ts b/easytier-gui/src/types/network.ts
index 7a03398..4714f27 100644
--- a/easytier-gui/src/types/network.ts
+++ b/easytier-gui/src/types/network.ts
@@ -32,6 +32,8 @@ export interface NetworkConfig {
   listener_urls: string[]
   rpc_port: number
   latency_first: boolean
+
+  dev_name: string
 }
 
 export function DEFAULT_NETWORK_CONFIG(): NetworkConfig {
@@ -64,6 +66,7 @@ export function DEFAULT_NETWORK_CONFIG(): NetworkConfig {
     ],
     rpc_port: 0,
     latency_first: true,
+    dev_name: '',
   }
 }
 
@@ -77,6 +80,7 @@ export interface NetworkInstance {
 }
 
 export interface NetworkInstanceRunningInfo {
+  dev_name: string
   my_node_info: NodeInfo
   events: Record<string, any>
   node_info: NodeInfo
diff --git a/easytier/src/launcher.rs b/easytier/src/launcher.rs
index 1a2c35f..e0fe49e 100644
--- a/easytier/src/launcher.rs
+++ b/easytier/src/launcher.rs
@@ -267,6 +267,7 @@ impl Drop for EasyTierLauncher {
 
 #[derive(Deserialize, Serialize, Debug)]
 pub struct NetworkInstanceRunningInfo {
+    pub dev_name: String,
     pub my_node_info: MyNodeInfo,
     pub events: Vec<(DateTime<Local>, GlobalCtxEvent)>,
     pub node_info: MyNodeInfo,
@@ -306,6 +307,7 @@ impl NetworkInstance {
         let peer_route_pairs = list_peer_route_pair(peers.clone(), routes.clone());
 
         Some(NetworkInstanceRunningInfo {
+            dev_name: self.config.get_flags().dev_name.clone(),
             my_node_info: launcher.get_node_info(),
             events: launcher.get_events(),
             node_info: launcher.get_node_info(),