diff --git a/resources/assets/js/App.vue b/resources/assets/js/App.vue
index d4282d337..e490c5264 100755
--- a/resources/assets/js/App.vue
+++ b/resources/assets/js/App.vue
@@ -411,7 +411,7 @@ export default {
                 return 1;
             }
             // 同域名规则
-            if ($A.getDomain(url) == $A.getDomain($A.mainUrl())) {
+            if ($A.getDomain(url) == $A.mainDomain()) {
                 try {
                     const {pathname, searchParams} = new URL(url);
                     // meeting/1234567890/xxxxx    会议
@@ -438,7 +438,7 @@ export default {
         },
 
         isDownloadUrl(url) {
-            if ($A.getDomain(url) == $A.getDomain($A.mainUrl())) {
+            if ($A.getDomain(url) == $A.mainDomain()) {
                 try {
                     const {pathname, searchParams} = new URL(url);
                     // 匹配常见的下载相关路径
diff --git a/resources/assets/js/app.js b/resources/assets/js/app.js
index 77346935e..77afed562 100644
--- a/resources/assets/js/app.js
+++ b/resources/assets/js/app.js
@@ -129,7 +129,7 @@ Vue.prototype.goForward = function(route, isReplace, autoBroadcast = true) {
     if (typeof route === 'string') {
         if ($A.strExists(route, '/')) {
             if (/^https?:\/\//.test(route)) {
-                if ($A.getDomain(route) === $A.getDomain($A.mainUrl())) {
+                if ($A.getDomain(route) === $A.mainDomain()) {
                     route = route.replace(/^https?:\/\/[^\/]+/, '');
                 } else {
                     // 处理外部链接
@@ -357,7 +357,7 @@ const $preload = async () => {
     document.querySelector(".app-view-loading")?.setAttribute("data-visible", "false")
     window.__initializeApp = async (loadHash) => {
         if (/^https?:\/\//.test(loadHash)) {
-            if ($A.getDomain(loadHash) !== $A.getDomain($A.mainUrl())) {
+            if ($A.getDomain(loadHash) !== $A.mainDomain()) {
                 window.location.href = url;
                 return;
             }
diff --git a/resources/assets/js/components/RightBottom.vue b/resources/assets/js/components/RightBottom.vue
index 15f2450a0..bb16c9952 100644
--- a/resources/assets/js/components/RightBottom.vue
+++ b/resources/assets/js/components/RightBottom.vue
@@ -159,7 +159,7 @@ export default {
                     if (this.compareVersion(this.apiVersion, '0.19.0') === -1) {
                         $A.modalWarning({
                             title: '温馨提示',
-                            message: `服务器（${$A.getDomain($A.mainUrl())}）接口版本过低，部分功能可能无法正常使用。`,
+                            message: `服务器（${$A.mainDomain()}）接口版本过低，部分功能可能无法正常使用。`,
                         });
                     }
                     if (this.$Electron) {
diff --git a/resources/assets/js/functions/common.js b/resources/assets/js/functions/common.js
index 2ff93b6b5..3b0cce599 100755
--- a/resources/assets/js/functions/common.js
+++ b/resources/assets/js/functions/common.js
@@ -1185,7 +1185,7 @@ const timezone = require("dayjs/plugin/timezone");
         getDomain(weburl) {
             const urlReg = /http(s)?:\/\/([^\/]+)/i;
             const domain = `${weburl}`.match(urlReg);
-            return ((domain != null && domain.length > 0) ? domain[2] : "");
+            return ((domain != null && domain.length > 0) ? domain[2] : "").toLowerCase();
         },
 
         /**
diff --git a/resources/assets/js/functions/web.js b/resources/assets/js/functions/web.js
index 77ed0a9e6..5bbf2ab62 100755
--- a/resources/assets/js/functions/web.js
+++ b/resources/assets/js/functions/web.js
@@ -62,6 +62,29 @@ import {convertLocalResourcePath} from "../components/Replace/utils";
             return $A.apiUrl(`../${str}`)
         },
 
+        /**
+         * 获取 mainUrl 的域名
+         * @returns {string}
+         */
+        mainDomain() {
+            return $A.getDomain($A.mainUrl());
+        },
+
+        /**
+         * 移除 mainUrl 前缀（忽略 http/https 协议差异，只匹配域名）
+         * @param url
+         * @returns {string} 匹配时返回带前导斜杠的路径（如 /path/to），不匹配时返回原始 url
+         */
+        removeMainUrlPrefix(url) {
+            url = url + "";
+            const urlDomain = $A.getDomain(url);
+            const mainDomain = $A.mainDomain();
+            if (urlDomain && mainDomain && urlDomain === mainDomain) {
+                return url.replace(/^https?:\/\/[^\/]+/, '');
+            }
+            return url;
+        },
+
         /**
          * 服务地址
          * @param str
@@ -514,7 +537,7 @@ import {convertLocalResourcePath} from "../components/Replace/utils";
          * @returns {boolean}
          */
         isDooServer() {
-            const u = $A.getDomain($A.mainUrl())
+            const u = $A.mainDomain()
             return /dootask\.com$/.test(u)
                 || /hitosea\.com$/.test(u)
                 || /^127\.0\.0\.1/.test(u)
@@ -598,7 +621,7 @@ import {convertLocalResourcePath} from "../components/Replace/utils";
             if (!/\.(png|jpg|jpeg)$/.test(url)) {
                 return false
             }
-            return $A.getDomain(url) == $A.getDomain($A.mainUrl());
+            return $A.getDomain(url) == $A.mainDomain();
         },
 
         /**
diff --git a/resources/assets/js/pages/manage/application.vue b/resources/assets/js/pages/manage/application.vue
index cd8dfda4e..cb0418dd0 100644
--- a/resources/assets/js/pages/manage/application.vue
+++ b/resources/assets/js/pages/manage/application.vue
@@ -1202,10 +1202,10 @@ export default {
             const arr = (text + "").match(/^https?:\/\/(.*?)\/login\?qrcode=(.*?)$/)
             if (arr) {
                 // 扫码登录
-                if ($A.getDomain(text) != $A.getDomain($A.mainUrl())) {
+                if ($A.getDomain(text) != $A.mainDomain()) {
                     let content = this.$L('请确认扫码的服务器与当前服务器一致')
                     content += `<br/>${this.$L('二维码服务器')}: ${$A.getDomain(text)}`
-                    content += `<br/>${this.$L('当前服务器')}: ${$A.getDomain($A.mainUrl())}`
+                    content += `<br/>${this.$L('当前服务器')}: ${$A.mainDomain()}`
                     $A.modalWarning({
                         language: false,
                         title: this.$L('扫码登录'),
diff --git a/resources/assets/js/pages/manage/components/MeetingManager/index.vue b/resources/assets/js/pages/manage/components/MeetingManager/index.vue
index 407cca612..d79e37c9a 100644
--- a/resources/assets/js/pages/manage/components/MeetingManager/index.vue
+++ b/resources/assets/js/pages/manage/components/MeetingManager/index.vue
@@ -401,9 +401,7 @@ export default {
                             width: Math.min(window.screen.availWidth, 1440),
                             height: Math.min(window.screen.availHeight, 900),
                         }
-                        const meetingLink = $A.leftDelete(linkRes.data, $A.mainUrl())
-                            .replace(/^\//, '');
-                        const meetingPath = $A.urlAddParams("/" + meetingLink, {
+                        const meetingPath = $A.urlAddParams($A.removeMainUrlPrefix(linkRes.data), {
                             type: 'direct',
                             nickname: data.nickname,
                             avatar: data.userimg,
diff --git a/resources/assets/js/pages/manage/setting/index.vue b/resources/assets/js/pages/manage/setting/index.vue
index 8f04251f9..a1c359ba7 100644
--- a/resources/assets/js/pages/manage/setting/index.vue
+++ b/resources/assets/js/pages/manage/setting/index.vue
@@ -220,7 +220,7 @@ export default {
 
         async onVersion() {
             const array = [
-                `${this.$L('服务器')}: ${$A.getDomain($A.mainUrl())}`
+                `${this.$L('服务器')}: ${$A.mainDomain()}`
             ]
             if (this.serverVersion) {
                 array.push(`${this.$L('服务器版本')}: v${this.serverVersion}`)
diff --git a/resources/assets/js/store/actions.js b/resources/assets/js/store/actions.js
index 91de94ca8..d268113a6 100644
--- a/resources/assets/js/store/actions.js
+++ b/resources/assets/js/store/actions.js
@@ -1287,7 +1287,7 @@ export default {
     userUrl({state}, url) {
         return new Promise(resolve => {
             // 如果是访问：服务器域名 且 当前是本地文件，则将服务器域名替换成本地路径
-            if ($A.getDomain(url) == $A.getDomain($A.mainUrl()) && isLocalHost(window.location)) {
+            if ($A.getDomain(url) == $A.mainDomain() && isLocalHost(window.location)) {
                 try {
                     const remoteURL = new URL(url)
                     if (/^\/(single|meeting)\//.test(remoteURL.pathname)) {
@@ -1308,7 +1308,7 @@ export default {
                 userid: state.userId,
             }
             // 如果是访问：服务器域名 或 本地文件，则添加 token 参数
-            if ($A.getDomain(url) == $A.getDomain($A.mainUrl()) || isLocalHost(url)) {
+            if ($A.getDomain(url) == $A.mainDomain() || isLocalHost(url)) {
                 params.token = state.userToken
             }
             resolve($A.urlAddParams(url, params))
@@ -1402,7 +1402,7 @@ export default {
 
         // 外站 URL 自动移除 preload 脚本（通过 contextIsolation: false）
         const pathDomain = $A.getDomain(params.path)
-        const isExternal = pathDomain && pathDomain !== $A.getDomain($A.mainUrl())
+        const isExternal = pathDomain && pathDomain !== $A.mainDomain()
         if (isExternal) {
             params.webPreferences = Object.assign({contextIsolation: false}, params.webPreferences)
         } else {