fix: 解决添加主题后进行连接，或已连接时添加主题，订阅主题列表的内容会出现错乱的问题

app/src/main/mqtt-manager.js

@@ -450,15 +450,16 @@ class MqttManager {
   addTopic(serverId, topic, qos = 1) {
     let server = this.servers.get(serverId);
     if (!server) {
-      return false;
+      return null;
     }
     if (server.topics.find((t) => t.topic === topic)) {
-      return false;
+      return null;
     }
 
     let topicId = 'topic_' + Date.now() + '_' + Math.random().toString(36).slice(2, 6);
 
-    server.topics.push({ id: topicId, topic, qos, subscribed: false });
+    let newTopic = { id: topicId, topic, qos, subscribed: false };
+    server.topics.push(newTopic);
 
     this.saveData();
 
@@ -467,7 +468,7 @@ class MqttManager {
       this._doSubscribe(serverId, topic, { qos });
     }
 
-    return true;
+    return newTopic;
 
   }
 

app/src/renderer/src/stores/mqtt.js

@@ -191,7 +191,7 @@ export function useMqttStore() {
     if (result) {
       let srv = servers.value.find((s) => s.id === serverId);
       if (srv) {
-        srv.topics.push({ topic, qos, subscribed: false });
+        srv.topics.push(result);
       }
     }