diff --git a/app/src/protyle/export/index.ts b/app/src/protyle/export/index.ts
index 915c6fcf2..8de85db12 100644
--- a/app/src/protyle/export/index.ts
+++ b/app/src/protyle/export/index.ts
@@ -13,7 +13,7 @@ import {Dialog} from "../../dialog";
 import {pathPosix} from "../../util/pathName";
 import {replaceLocalPath} from "../../editor/rename";
 import {setStorageVal} from "../util/compatibility";
-import {needSubscribe} from "../../util/needSubscribe";
+import {isPaidUser, needSubscribe} from "../../util/needSubscribe";
 
 export const saveExport = (option: IExportOptions) => {
     /// #if !BROWSER
@@ -246,7 +246,7 @@ const renderPDF = (id: string) => {
         </div>
         <span class="fn__hr"></span>
         <input id="watermark" class="b3-switch" type="checkbox" ${localData.watermark ? "checked" : ""}>
-        <div style="display:none;font-size: 12px;margin-top: 12px;color: var(--b3-theme-on-surface);">${window.siyuan.languages._kernel[29]}</div>
+        <div style="display:none;font-size: 12px;margin-top: 12px;color: var(--b3-theme-on-surface);">${window.siyuan.languages._kernel[214]}</div>
     </label>
     <div class="fn__flex">
       <div class="fn__flex-1"></div>
@@ -452,7 +452,7 @@ id="preview">
         });
         const  watermarkElement = actionElement.querySelector('#watermark');
         watermarkElement.addEventListener('change', () => {
-            if (watermarkElement.checked && ${needSubscribe("")}) {
+            if (watermarkElement.checked && ${!isPaidUser()}) {
                 watermarkElement.nextElementSibling.style.display = "";
                 watermarkElement.checked = false;
             }
diff --git a/app/src/protyle/export/util.ts b/app/src/protyle/export/util.ts
index b047bef80..84b77eed6 100644
--- a/app/src/protyle/export/util.ts
+++ b/app/src/protyle/export/util.ts
@@ -12,7 +12,7 @@ import {highlightRender} from "../render/highlightRender";
 import {processRender} from "../util/processCode";
 import {openByMobile, setStorageVal} from "../util/compatibility";
 import {showFileInFolder} from "../../util/pathName";
-import {needSubscribe} from "../../util/needSubscribe";
+import {isPaidUser, needSubscribe} from "../../util/needSubscribe";
 
 export const afterExport = (exportPath: string, msgId: string) => {
     /// #if !BROWSER
@@ -97,13 +97,16 @@ export const exportImage = (id: string) => {
     const watermarkElement = (exportDialog.element.querySelector("#watermark") as HTMLInputElement);
     watermarkElement.addEventListener("change", () => {
         window.siyuan.storage[Constants.LOCAL_EXPORTIMG].watermark = watermarkElement.checked;
-        if (watermarkElement.checked && needSubscribe("")) {
+        if (watermarkElement.checked && !isPaidUser()) {
             watermarkElement.checked = false;
-            showMessage(window.siyuan.languages._kernel[29]);
+            showMessage(window.siyuan.languages._kernel[214]);
         }
         updateWatermark();
     });
     const updateWatermark = () => {
+        if (!isPaidUser()) {
+            return;
+        }
         const watermarkPreviewElement = exportDialog.element.querySelector(".export-img__watermark") as HTMLElement;
         watermarkPreviewElement.innerHTML = "";
         if (watermarkElement.checked) {
diff --git a/app/src/search/assets.ts b/app/src/search/assets.ts
index 10be9b671..438e0d84c 100644
--- a/app/src/search/assets.ts
+++ b/app/src/search/assets.ts
@@ -10,6 +10,8 @@ import {Dialog} from "../dialog";
 import {Menu} from "../plugin/Menu";
 import {hasClosestByClassName} from "../protyle/util/hasClosest";
 import {addClearButton} from "../util/addClearButton";
+import {isPaidUser} from "../util/needSubscribe";
+import {showMessage} from "../dialog/message";
 
 export const openSearchAsset = (element: Element, isStick: boolean) => {
     /// #if !MOBILE
@@ -169,6 +171,15 @@ export const openSearchAsset = (element: Element, isStick: boolean) => {
 
 let inputTimeout: number;
 export const assetInputEvent = (element: Element, localSearch?: ISearchAssetOption, page = 1) => {
+    if (!isPaidUser()) {
+        element.nextElementSibling.classList.add("fn__none");
+        element.querySelector(".search__drag")?.classList.add("fn__none");
+        element.querySelector("#searchAssetPreview").classList.add("fn__none");
+        element.querySelector("#searchAssetList").innerHTML = `<div class="search__empty">
+    ${window.siyuan.languages["_kernel"][214]}
+</div>`;
+        return;
+    }
     element.nextElementSibling.classList.remove("fn__none");
     clearTimeout(inputTimeout);
     inputTimeout = window.setTimeout(() => {
@@ -190,12 +201,6 @@ export const assetInputEvent = (element: Element, localSearch?: ISearchAssetOpti
             orderBy: localSearch.sort
         }, (response) => {
             element.nextElementSibling.classList.add("fn__none");
-            if (response.code === 1) {
-                element.querySelector("#searchAssetList").innerHTML = `<div class="search__empty">
-    ${window.siyuan.languages["_kernel"][214]}
-</div>`;
-                return;
-            }
             const nextElement = element.querySelector('[data-type="assetNext"]');
             if (page < response.data.pageCount) {
                 nextElement.removeAttribute("disabled");
@@ -518,6 +523,10 @@ export const assetMoreMenu = (target: Element, element: Element, cb: () => void)
         iconHTML: Constants.ZWSP,
         label: window.siyuan.languages.rebuildIndex,
         click() {
+            if (!isPaidUser()) {
+                showMessage(window.siyuan.languages["_kernel"][214]);
+                return;
+            }
             element.nextElementSibling.classList.remove("fn__none");
             fetchPost("/api/asset/fullReindexAssetContent", {}, () => {
                 assetInputEvent(element, localData);