diff --git a/server/src/Peripherals/SevenDigitalTubesClient.cs b/server/src/Peripherals/SevenDigitalTubesClient.cs
index 733e8a6..7028c00 100644
--- a/server/src/Peripherals/SevenDigitalTubesClient.cs
+++ b/server/src/Peripherals/SevenDigitalTubesClient.cs
@@ -6,7 +6,7 @@ namespace Peripherals.SevenDigitalTubesClient;
 
 static class SevenDigitalTubesAddr
 {
-    public const UInt32 BASE = 0x0000_0000;
+    public const UInt32 BASE = 0xB000_0000;
 }
 
 public class SevenDigitalTubesCtrl
diff --git a/src/components/equipments/SevenSegmentDisplayUltimate.vue b/src/components/equipments/SevenSegmentDisplayUltimate.vue
index 681dba4..98b4343 100644
--- a/src/components/equipments/SevenSegmentDisplayUltimate.vue
+++ b/src/components/equipments/SevenSegmentDisplayUltimate.vue
@@ -174,17 +174,18 @@ function isSegmentActive(segmentId: keyof typeof SEGMENT_BITS): boolean {
 // SignalR数字孪生集成
 // ============================================================================
 
-const {
-  sevenSegmentDisplaySetOnOff,
-  sevenSegmentDisplayData,
-  sevenSegmentDisplaySetFrequency,
-} = useEquipments();
+const eqps = useEquipments();
 
 async function initDigitalTwin() {
-  if (!props.enableDigitalTwin || !props.digitalTwinNum) return;
+  if (
+    !props.enableDigitalTwin ||
+    props.digitalTwinNum < 0 ||
+    props.digitalTwinNum > 31
+  )
+    return;
 
   try {
-    sevenSegmentDisplaySetOnOff(props.enableDigitalTwin);
+    eqps.sevenSegmentDisplaySetOnOff(props.enableDigitalTwin);
 
     console.log(
       `Digital twin initialized for address: ${props.digitalTwinNum}`,
@@ -195,16 +196,16 @@ async function initDigitalTwin() {
 }
 
 watch(
-  () => [sevenSegmentDisplayData],
+  () => [eqps.sevenSegmentDisplayData],
   () => {
     if (
-      !sevenSegmentDisplayData ||
+      !eqps.sevenSegmentDisplayData ||
       props.digitalTwinNum < 0 ||
       props.digitalTwinNum > 31
     )
       return;
 
-    handleDigitalTwinData(sevenSegmentDisplayData[props.digitalTwinNum]);
+    handleDigitalTwinData(eqps.sevenSegmentDisplayData[props.digitalTwinNum]);
   },
 );
 
@@ -253,7 +254,7 @@ function startAfterglow(byte: number) {
 }
 
 function cleanupDigitalTwin() {
-  sevenSegmentDisplaySetOnOff(false);
+  eqps.sevenSegmentDisplaySetOnOff(false);
 }
 
 // ============================================================================
@@ -349,7 +350,7 @@ onUnmounted(() => {
 
 // 监听模式切换
 watch(
-  () => [props.enableDigitalTwin, props.digitalTwinNum],
+  () => [props.enableDigitalTwin],
   async () => {
     // 清理旧模式
     cleanupDigitalTwin();
@@ -366,7 +367,6 @@ watch(
       updateConstraintStates();
     }
   },
-  { immediate: false },
 );
 </script>
 
diff --git a/src/stores/equipments.ts b/src/stores/equipments.ts
index ae95632..09ad5d3 100644
--- a/src/stores/equipments.ts
+++ b/src/stores/equipments.ts
@@ -12,7 +12,7 @@ import {
   toFileParameterOrUndefined,
 } from "@/utils/Common";
 import { AuthManager } from "@/utils/AuthManager";
-import { HubConnection } from "@microsoft/signalr";
+import { HubConnection, HubConnectionState } from "@microsoft/signalr";
 import {
   getHubProxyFactory,
   getReceiverRegister,
@@ -220,7 +220,6 @@ export const useEquipments = defineStore("equipments", () => {
 
   async function matrixKeypadSetKeyStates(keyStates: boolean[]) {
     const release = await matrixKeypadClientMutex.acquire();
-    console.log("set Key !!!!!!!!!!!!");
     try {
       const matrixKeypadClient =
         AuthManager.createAuthenticatedMatrixKeyClient();
@@ -241,9 +240,9 @@ export const useEquipments = defineStore("equipments", () => {
   async function matrixKeypadEnable(enable: boolean) {
     const release = await matrixKeypadClientMutex.acquire();
     try {
+      const matrixKeypadClient =
+        AuthManager.createAuthenticatedMatrixKeyClient();
       if (enable) {
-        const matrixKeypadClient =
-          AuthManager.createAuthenticatedMatrixKeyClient();
         const resp = await matrixKeypadClient.enabelMatrixKey(
           boardAddr.value,
           boardPort.value,
@@ -251,8 +250,6 @@ export const useEquipments = defineStore("equipments", () => {
         enableMatrixKey.value = resp;
         return resp;
       } else {
-        const matrixKeypadClient =
-          AuthManager.createAuthenticatedMatrixKeyClient();
         const resp = await matrixKeypadClient.disableMatrixKey(
           boardAddr.value,
           boardPort.value,
@@ -305,7 +302,8 @@ export const useEquipments = defineStore("equipments", () => {
   async function sevenSegmentDisplaySetOnOff(enable: boolean) {
     if (!sevenSegmentDisplayHub.value || !sevenSegmentDisplayHubProxy.value)
       return;
-    await sevenSegmentDisplayHub.value.start();
+    if (sevenSegmentDisplayHub.value.state === HubConnectionState.Disconnected)
+      await sevenSegmentDisplayHub.value.start();
 
     if (enable) {
       await sevenSegmentDisplayHubProxy.value.startScan();
@@ -317,7 +315,8 @@ export const useEquipments = defineStore("equipments", () => {
   async function sevenSegmentDisplaySetFrequency(frequency: number) {
     if (!sevenSegmentDisplayHub.value || !sevenSegmentDisplayHubProxy.value)
       return;
-    await sevenSegmentDisplayHub.value.start();
+    if (sevenSegmentDisplayHub.value.state === HubConnectionState.Disconnected)
+      await sevenSegmentDisplayHub.value.start();
 
     await sevenSegmentDisplayHubProxy.value.setFrequency(frequency);
   }
@@ -325,7 +324,8 @@ export const useEquipments = defineStore("equipments", () => {
   async function sevenSegmentDisplayGetStatus() {
     if (!sevenSegmentDisplayHub.value || !sevenSegmentDisplayHubProxy.value)
       return;
-    await sevenSegmentDisplayHub.value.start();
+    if (sevenSegmentDisplayHub.value.state === HubConnectionState.Disconnected)
+      await sevenSegmentDisplayHub.value.start();
 
     return await sevenSegmentDisplayHubProxy.value.getStatus();
   }
@@ -338,7 +338,7 @@ export const useEquipments = defineStore("equipments", () => {
   onMounted(async () => {
     // 每次挂载都重新创建连接
     sevenSegmentDisplayHub.value =
-      AuthManager.createAuthenticatedJtagHubConnection();
+      AuthManager.createAuthenticatedDigitalTubesHubConnection();
     sevenSegmentDisplayHubProxy.value = getHubProxyFactory(
       "IDigitalTubesHub",
     ).createHubProxy(sevenSegmentDisplayHub.value);