🎨 https://github.com/siyuan-note/siyuan/issues/4186

app/appearance/langs/en_US.json

@@ -1,4 +1,5 @@
 {
+  "freeSub": "Free Trial Subscription",
   "sortByUpdateTimeDesc": "Descending by update time",
   "sortByUpdateTimeAsc": "Ascending by update time",
   "sortByDownloadsDesc": "Descending by downloads",

app/appearance/langs/fr_FR.json

@@ -1,4 +1,5 @@
 {
+  "freeSub": "Abonnement d'essai gratuit",
   "sortByUpdateTimeDesc": "Descendant par heure de mise à jour",
   "sortByUpdateTimeAsc": "Croissant par heure de mise à jour",
   "sortByDownloadsDesc": "Décroissant par téléchargements",

app/appearance/langs/zh_CHT.json

@@ -1,4 +1,5 @@
 {
+  "freeSub": "免費試用訂閱",
   "sortByUpdateTimeDesc": "更新時間降序",
   "sortByUpdateTimeAsc": "更新時間升序",
   "sortByDownloadsDesc": "下載次數降序",

app/appearance/langs/zh_CN.json

@@ -1,4 +1,5 @@
 {
+  "freeSub": "免费试用订阅",
   "sortByUpdateTimeDesc": "更新时间降序",
   "sortByUpdateTimeAsc": "更新时间升序",
   "sortByDownloadsDesc": "下载次数降序",

app/src/config/account.ts

@@ -29,10 +29,10 @@ export const account = {
 ${window.siyuan.languages.account2}
 <div><a href="https://b3log.org/siyuan/pricing.html" target="_blank">${window.siyuan.languages.account7}</a></div>
 <div class="fn__hr--b"></div>
-<a href="https://ld246.com/sponsor" target="_blank" class="b3-chip b3-chip--primary">
+<span class="b3-chip b3-chip--primary" id="trialSub">
     <svg class="ft__secondary"><use xlink:href="#iconVIP"></use></svg>
-    ${window.siyuan.languages.sponsor}
-</a>
+    ${window.siyuan.languages.freeSub}
+</>
 <div class="fn__hr--b"></div>`;
         if (window.siyuan.user) {
             let userTitlesHTML = "";
@@ -157,6 +157,14 @@ ${window.siyuan.languages.account2}
 </div>`;
     },
     bindEvent: () => {
+        const trialSubElement = account.element.querySelector("#trialSub");
+        if (trialSubElement) {
+            trialSubElement.addEventListener("click", () => {
+                fetchPost("/api/account/startFreeTrial", () => {
+                    account.element.querySelector("#refresh").dispatchEvent(new Event("click"));
+                });
+            });
+        }
         const agreeLoginElement = account.element.querySelector("#agreeLogin") as HTMLInputElement;
         const userNameElement = account.element.querySelector("#userName") as HTMLInputElement;
         if (!userNameElement) {