diff --git a/app/src/index.ts b/app/src/index.ts
index 99d68bbb1..e932fd8ba 100644
--- a/app/src/index.ts
+++ b/app/src/index.ts
@@ -37,6 +37,7 @@ import {setLocalShorthandCount} from "./util/noRelyPCFunction";
 /// #endif
 import {getDockByType} from "./layout/tabUtil";
 import {Tag} from "./layout/dock/Tag";
+import {updateControlAlt} from "./protyle/util/hotKey";
 
 export class App {
     public plugins: import("./plugin").Plugin[] = [];
@@ -101,6 +102,7 @@ export class App {
                                 break;
                             case "setConf":
                                 window.siyuan.config = data.data;
+                                updateControlAlt();
                                 break;
                             case "progress":
                                 progressLoading(data);
@@ -182,6 +184,7 @@ export class App {
             addScriptSync(`${Constants.PROTYLE_CDN}/js/lute/lute.min.js?v=${Constants.SIYUAN_VERSION}`, "protyleLuteScript");
             addScript(`${Constants.PROTYLE_CDN}/js/protyle-html.js?v=${Constants.SIYUAN_VERSION}`, "protyleWcHtmlScript");
             window.siyuan.config = response.data.conf;
+            updateControlAlt();
             window.siyuan.isPublish = response.data.isPublish;
             await loadPlugins(this);
             getLocalStorage(() => {
diff --git a/app/src/mobile/index.ts b/app/src/mobile/index.ts
index 7cc82aef9..469f09f93 100644
--- a/app/src/mobile/index.ts
+++ b/app/src/mobile/index.ts
@@ -29,6 +29,7 @@ import {updateCardHV} from "../card/util";
 import {mobileKeydown} from "./util/keydown";
 import {correctHotkey} from "../boot/globalEvent/commonHotkey";
 import {processIOSPurchaseResponse} from "../util/iOSPurchase";
+import {updateControlAlt} from "../protyle/util/hotKey";
 
 class App {
     public plugins: import("../plugin").Plugin[] = [];
@@ -96,6 +97,7 @@ class App {
             addScriptSync(`${Constants.PROTYLE_CDN}/js/lute/lute.min.js?v=${Constants.SIYUAN_VERSION}`, "protyleLuteScript");
             addScript(`${Constants.PROTYLE_CDN}/js/protyle-html.js?v=${Constants.SIYUAN_VERSION}`, "protyleWcHtmlScript");
             window.siyuan.config = confResponse.data.conf;
+            updateControlAlt();
             window.siyuan.isPublish = confResponse.data.isPublish;
             correctHotkey(siyuanApp);
             await loadPlugins(this);
diff --git a/app/src/mobile/util/onMessage.ts b/app/src/mobile/util/onMessage.ts
index 05fe40fe0..035844c91 100644
--- a/app/src/mobile/util/onMessage.ts
+++ b/app/src/mobile/util/onMessage.ts
@@ -10,6 +10,7 @@ import {App} from "../../index";
 import {reloadPlugin} from "../../plugin/loader";
 import {reloadEmoji} from "../../emoji";
 import {setLocalShorthandCount} from "../../util/noRelyPCFunction";
+import {updateControlAlt} from "../../protyle/util/hotKey";
 
 export const onMessage = (app: App, data: IWebSocketData) => {
     if (data) {
@@ -37,6 +38,7 @@ export const onMessage = (app: App, data: IWebSocketData) => {
                 break;
             case "setConf":
                 window.siyuan.config = data.data;
+                updateControlAlt();
                 break;
             case "reloaddoc":
                 reloadSync(this, {upsertRootIDs: [data.data], removeRootIDs: []}, false, false, true);
diff --git a/app/src/protyle/util/hotKey.ts b/app/src/protyle/util/hotKey.ts
index f14fdcc5b..f64aaa5ef 100644
--- a/app/src/protyle/util/hotKey.ts
+++ b/app/src/protyle/util/hotKey.ts
@@ -217,3 +217,21 @@ export const isIncludesHotKey = (hotKey: string) => {
     return isInclude;
 };
 
+export const updateControlAlt = () => {
+    Object.keys(window.siyuan.config.keymap.general).forEach(key => {
+        if (["fileTree", "outline", "bookmark", "tag", "dailyNote", "inbox", "backlinks",
+            "graphView", "globalGraph", "riffCard"].includes(key)) {
+            if (navigator.platform.toUpperCase().indexOf("MAC") > -1) {
+                window.siyuan.config.keymap.general[key].default = window.siyuan.config.keymap.general[key].default.replace("⌥", "⌃")
+                if (window.siyuan.config.keymap.general[key].default === window.siyuan.config.keymap.general[key].custom) {
+                    window.siyuan.config.keymap.general[key].custom = window.siyuan.config.keymap.general[key].default.replace("⌥", "⌃")
+                }
+            } else {
+                window.siyuan.config.keymap.general[key].default = window.siyuan.config.keymap.general[key].default.replace("⌃", "⌥")
+                if (window.siyuan.config.keymap.general[key].default === window.siyuan.config.keymap.general[key].custom) {
+                    window.siyuan.config.keymap.general[key].custom = window.siyuan.config.keymap.general[key].default.replace("⌃", "⌥")
+                }
+            }
+        }
+    });
+};
diff --git a/app/src/window/index.ts b/app/src/window/index.ts
index d8a6d8765..bb847833c 100644
--- a/app/src/window/index.ts
+++ b/app/src/window/index.ts
@@ -26,6 +26,7 @@ import {init} from "../window/init";
 import {loadPlugins, reloadPlugin} from "../plugin/loader";
 import {hideAllElements} from "../protyle/ui/hideElements";
 import {reloadEmoji} from "../emoji";
+import {updateControlAlt} from "../protyle/util/hotKey";
 
 class App {
     public plugins: import("../plugin").Plugin[] = [];
@@ -78,6 +79,7 @@ class App {
                                 break;
                             case "setConf":
                                 window.siyuan.config = data.data;
+                                updateControlAlt();
                                 break;
                             case "progress":
                                 progressLoading(data);
@@ -155,6 +157,7 @@ class App {
             addScriptSync(`${Constants.PROTYLE_CDN}/js/lute/lute.min.js?v=${Constants.SIYUAN_VERSION}`, "protyleLuteScript");
             addScript(`${Constants.PROTYLE_CDN}/js/protyle-html.js?v=${Constants.SIYUAN_VERSION}`, "protyleWcHtmlScript");
             window.siyuan.config = response.data.conf;
+            updateControlAlt();
             window.siyuan.isPublish = response.data.isPublish;
             await loadPlugins(this);
             getLocalStorage(() => {