diff --git a/app/src/config/bazaar.ts b/app/src/config/bazaar.ts
index 6d8f572b4..0b4678aac 100644
--- a/app/src/config/bazaar.ts
+++ b/app/src/config/bazaar.ts
@@ -9,7 +9,7 @@ import {Constants} from "../constants";
 import {shell} from "electron";
 import * as path from "path";
 /// #endif
-import {isBrowser} from "../util/functions";
+import {getFrontend, isBrowser} from "../util/functions";
 import {setStorageVal} from "../protyle/util/compatibility";
 import {hasClosestByAttribute} from "../protyle/util/hasClosest";
 import {Plugin} from "../plugin";
@@ -278,7 +278,9 @@ export const bazaar = {
         } else if (bazaarType === "plugins") {
             url = "/api/bazaar/getInstalledPlugin";
         }
-        fetchPost(url, {}, response => {
+        fetchPost(url, {
+            frontend: getFrontend()
+        }, response => {
             contentElement.removeAttribute("data-loading");
             let html = "";
             let showSwitch = false;
@@ -548,6 +550,7 @@ export const bazaar = {
                             packageName: dataObj.name,
                             repoHash: dataObj.repoHash,
                             mode: dataObj.themeMode === "dark" ? 1 : 0,
+                            frontend: getFrontend()
                         }, response => {
                             if (window.siyuan.config.appearance.themeJS && bazaarType === "themes") {
                                 exportLayout({
@@ -564,6 +567,7 @@ export const bazaar = {
                                     fetchPost("/api/petal/setPetalEnabled", {
                                         packageName: dataObj.name,
                                         enabled: true,
+                                        frontend: getFrontend()
                                     }, (response) => {
                                         loadPlugin(app, response.data);
                                         bazaar._genMyHTML(bazaarType, app);
@@ -598,6 +602,7 @@ export const bazaar = {
                                 repoHash: dataObj.repoHash,
                                 mode: dataObj.themeMode === "dark" ? 1 : 0,
                                 update: true,
+                                frontend: getFrontend()
                             }, response => {
                                 // 更新主题后不需要对该主题进行切换 https://github.com/siyuan-note/siyuan/issues/4966
                                 this._genMyHTML(bazaarType, app);
@@ -645,7 +650,8 @@ export const bazaar = {
                     } else {
                         confirmDialog(window.siyuan.languages.uninstall, window.siyuan.languages.confirmUninstall.replace("${name}", packageName), () => {
                             fetchPost(url, {
-                                packageName
+                                packageName,
+                                frontend: getFrontend()
                             }, response => {
                                 this._genMyHTML(bazaarType, app);
                                 bazaar._onBazaar(response, bazaarType, ["themes", "icons"].includes(bazaarType));
@@ -719,6 +725,7 @@ export const bazaar = {
                         fetchPost("/api/petal/setPetalEnabled", {
                             packageName: dataObj.name,
                             enabled,
+                            frontend: getFrontend()
                         }, (response) => {
                             target.removeAttribute("disabled");
                             if (enabled) {
@@ -764,7 +771,9 @@ export const bazaar = {
                                         bazaar._data.themes = response.data.packages;
                                     });
                                 } else if (type === "plugin") {
-                                    fetchPost("/api/bazaar/getBazaarPlugin", {}, response => {
+                                    fetchPost("/api/bazaar/getBazaarPlugin", {
+                                        frontend: getFrontend()
+                                    }, response => {
                                         bazaar._onBazaar(response, "plugins", false);
                                         bazaar._data.plugins = response.data.packages;
                                     });
diff --git a/app/src/plugin/loader.ts b/app/src/plugin/loader.ts
index 559fcb67c..9e82d1ba1 100644
--- a/app/src/plugin/loader.ts
+++ b/app/src/plugin/loader.ts
@@ -5,7 +5,7 @@ import {Plugin} from "./index";
 import {exportLayout} from "../layout/util";
 /// #endif
 import {API} from "./API";
-import {isMobile, isWindow} from "../util/functions";
+import {getFrontend, isMobile, isWindow} from "../util/functions";
 
 const getObject = (key: string) => {
     const api = {
@@ -20,7 +20,7 @@ const runCode = (code: string, sourceURL: string) => {
 };
 
 export const loadPlugins = async (app: App) => {
-    const response = await fetchSyncPost("/api/petal/loadPetals");
+    const response = await fetchSyncPost("/api/petal/loadPetals", {frontend: getFrontend()});
     let css = "";
     // 为加快启动速度，不进行 await
     response.data.forEach((item: IPluginData) => {
diff --git a/app/src/util/functions.ts b/app/src/util/functions.ts
index 8ce19efa4..708ac7842 100644
--- a/app/src/util/functions.ts
+++ b/app/src/util/functions.ts
@@ -2,6 +2,25 @@ export const isMobile = () => {
     return document.getElementById("sidebar") ? true : false;
 };
 
+export const getFrontend = () => {
+    /// #if MOBILE
+    if (window.navigator.userAgent.startsWith("SiYuan/")) {
+        return "mobile";
+    } else {
+        return "browser-mobile";
+    }
+    /// #else
+    if (window.navigator.userAgent.startsWith("SiYuan/")) {
+        if (isWindow()) {
+            return "desktop-window";
+        }
+        return "desktop";
+    } else {
+        return "browser-desktop";
+    }
+    /// #endif
+};
+
 export const isWindow = () => {
     return document.getElementById("toolbar") ? false : true;
 };