add

frontend/pc/IM/.vscode/launch.json

@@ -11,6 +11,7 @@
         "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron-vite.cmd"
       },
       "runtimeArgs": ["--sourcemap"],
+      "console": "integratedTerminal",
       "env": {
         "REMOTE_DEBUGGING_PORT": "9222"
       }

frontend/pc/IM/.vscode/settings.json

@@ -3,7 +3,7 @@
     "editor.defaultFormatter": "esbenp.prettier-vscode"
   },
   "[javascript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
+    "editor.defaultFormatter": "vscode.typescript-language-features"
   },
   "[json]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"

frontend/pc/IM/electron.vite.config.mjs

@@ -7,6 +7,9 @@ export default defineConfig({
   main: {},
   preload: {},
   renderer: {
+    server: {
+          host: true
+      }, 
     resolve: {
       alias: {
         '@': resolve('src/renderer/src')

frontend/pc/IM/src/renderer/src/handler/messageHandler.js

@@ -3,10 +3,23 @@ import { MESSAGE_TYPE } from "../constants/MessageType";
 
 export const messageHandler = (msg) => {
     const conversationStore = useConversationStore();
-    const conversation = conversationStore.conversations.find(x =>
-      ((x.targetId == msg.senderId || x.targetId == msg.receiverId) && msg.chatType == MESSAGE_TYPE.PRIVATE) ||
-      (x.targetId == msg.receiverId && msg.chatType == MESSAGE_TYPE.GROUP)
-    );
+    const conversation = conversationStore.conversations.find(x => {
+        // 1. 如果是私聊：目标 ID 必须是对方（可能是发送者，也可能是接收者）
+        if (msg.chatType === MESSAGE_TYPE.PRIVATE) {
+            return x.chatType === MESSAGE_TYPE.PRIVATE &&
+                (x.targetId === msg.senderId || x.targetId === msg.receiverId);
+        }
+
+        // 2. 如果是群聊：目标 ID 必须是群 ID（即消息的 receiverId）
+        if (msg.chatType === MESSAGE_TYPE.GROUP) {
+            return x.chatType === MESSAGE_TYPE.GROUP &&
+                x.targetId === msg.receiverId;
+        }
+
+        return false;
+    });
+
+    if (!conversation) return; // 容错处理：如果没找到会话，不执行后续逻辑
     conversation.lastMessage = msg.content;
     if (conversation.targetId == msg.receiverId) {
         conversation.unreadCount = 0;

frontend/pc/IM/src/renderer/src/utils/sessionIdTools.js

@@ -10,5 +10,5 @@ export const generateSessionId = (id1, id2, isGroup = false) => {
     if (isGroup) {
         return `g:${id2}`;
     }
-    return [String(id1), String(id2)].sort().join('_');
+    return 'p:' +  [String(id1), String(id2)].sort().join('_');
 };

frontend/web/src/App.vue

@@ -18,6 +18,7 @@ onMounted(async () => {
   if(authStore.token){
     signalRStore.initSignalR();
   }
+
 })
 </script>
 <style>