diff --git a/app/src/mobile/util/MobileBackFoward.ts b/app/src/mobile/util/MobileBackFoward.ts
index 07f481632..3d23e5357 100644
--- a/app/src/mobile/util/MobileBackFoward.ts
+++ b/app/src/mobile/util/MobileBackFoward.ts
@@ -153,9 +153,13 @@ export const goBack = () => {
         closePanel();
         return;
     }
-    if (window.JSAndroid && window.siyuan.backStack.length < 1) {
+    if ((window.JSAndroid || window.JSHarmony) && window.siyuan.backStack.length < 1) {
         if (document.querySelector('#message [data-id="exitTip"]')) {
-            window.JSAndroid.returnDesktop();
+            if (window.JSAndroid) {
+                window.JSAndroid.returnDesktop();
+            } else if (window.JSHarmony) {
+                window.JSHarmony.returnDesktop();
+            }
         } else {
             showMessage(window.siyuan.languages.returnDesktop, 3000, "info", "exitTip");
         }
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 8aef8e29d..8eb177773 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -199,6 +199,7 @@ interface Window {
         writeClipboard(text: string): void
         writeHTMLClipboard(text: string, html: string): void
         readClipboard(): string
+        returnDesktop(): void
     }
 
     Protyle: import("../protyle/method").default