前端：修复wss连接失败的问题

frontend/web/.env

@@ -1,4 +1,4 @@
 #VITE_API_BASE_URL = http://localhost:5202/api
 #VITE_SIGNALR_BASE_URL = http://localhost:5202/chat
 VITE_API_BASE_URL = https://im.test.nxsir.cn/api
-VITE_SIGNALR_BASE_URL = https://im.test.nxsir.cn/chat
+VITE_SIGNALR_BASE_URL = https://im.test.nxsir.cn/chat/

frontend/web/src/stores/signalr.js

@@ -18,9 +18,11 @@ export const useSignalRStore = defineStore('signalr', {
         async initSignalR() {
             const message = useMessage()
             const authStore = useAuthStore()
-            const url = import.meta.env.VITE_SIGNALR_BASE_URL || 'http://localhost:5202/chat';
+            const url = import.meta.env.VITE_SIGNALR_BASE_URL || 'http://localhost:5202/chat/';
             this.connection = new signalR.HubConnectionBuilder()
-                .withUrl(url, {
+                .withUrl(url,
+                  {
+
                     accessTokenFactory: async () => {
                         if (authStore.isTokenExpired) {
                             const res = await authService.refresh(authStore.refreshToken)