diff --git a/app/src/plugin/API.ts b/app/src/plugin/API.ts
index 584cc1efd..4e25f6122 100644
--- a/app/src/plugin/API.ts
+++ b/app/src/plugin/API.ts
@@ -4,7 +4,7 @@ import {showMessage} from "../dialog/message";
 import {Dialog} from "../dialog";
 import {Menu as SiyuanMenu} from "../menus/Menu";
 import {fetchGet, fetchPost, fetchSyncPost} from "../util/fetch";
-import {getFrontend} from "../util/functions";
+import {getBackend, getFrontend} from "../util/functions";
 /// #if !MOBILE
 import {openFile, openFileById} from "../editor/util";
 /// #endif
@@ -205,6 +205,7 @@ export const API = {
     fetchSyncPost,
     fetchGet,
     getFrontend,
+    getBackend,
     openTab,
     Plugin,
     Dialog,
diff --git a/app/src/util/functions.ts b/app/src/util/functions.ts
index 708ac7842..b2c912c3d 100644
--- a/app/src/util/functions.ts
+++ b/app/src/util/functions.ts
@@ -2,6 +2,16 @@ export const isMobile = () => {
     return document.getElementById("sidebar") ? true : false;
 };
 
+// "windows" | "linux" | "darwin" | "docker" | "android" | "ios"
+export const getBackend = () => {
+    if (["docker", "ios", "android"].includes(window.siyuan.config.system.container)) {
+        return window.siyuan.config.system.container
+    } else {
+        return window.siyuan.config.system.os
+    }
+};
+
+// "desktop" | "desktop-window" | "mobile" | "browser-desktop" | "browser-mobile"
 export const getFrontend = () => {
     /// #if MOBILE
     if (window.navigator.userAgent.startsWith("SiYuan/")) {