diff --git a/src/content/betalib.ts b/src/content/betalib.ts
index 9cf8d37..dcf69cc 100644
--- a/src/content/betalib.ts
+++ b/src/content/betalib.ts
@@ -1,4 +1,4 @@
-const betaHost = 'beta.atcoder.jp';
+const betaHost = 'atcoder.jp';
 
 export class Contest {
   public readonly url: string;
@@ -165,6 +165,9 @@ export async function getMySubmissions(): Promise<Submission[]> {
     time: ['実行時間', 'Exec Time'],
     memory: ['メモリ', 'Memory'],
   });
+  if ($th.length === 0) {
+    return [];
+  }
   if (!('status' in indexes)) {
     throw new Error("Betalib: getMySubmissions: Can't get status");
   }
diff --git a/src/content/clar-notify.ts b/src/content/clar-notify.ts
index 57abc1f..289d0bd 100644
--- a/src/content/clar-notify.ts
+++ b/src/content/clar-notify.ts
@@ -20,7 +20,7 @@ Commonlib.runIfEnableAndLoad('notify-clarification', async () => {
           title: 'Atcoder',
           message: 'New Clarification',
         },
-        href: `https://beta.atcoder.jp/contests/${contest.id}/clarifications`,
+        href: `https://atcoder.jp/contests/${contest.id}/clarifications`,
       });
       prev = cur;
     }
diff --git a/src/content/link-to-beta.ts b/src/content/link-to-beta.ts
index df3aa28..1327457 100644
--- a/src/content/link-to-beta.ts
+++ b/src/content/link-to-beta.ts
@@ -18,7 +18,7 @@ const convertRules = [
 
 function getBetaUrl(): string {
   const contestId = (location.host.match(/^(.*).contest.atcoder.jp$/) as string[])[1];
-  const prefix = `https://beta.atcoder.jp/contests/${contestId}`;
+  const prefix = `https://atcoder.jp/contests/${contestId}`;
   for (const rule of convertRules) {
     const reg = new RegExp('^' + rule.from.replace(/\*/g, '([^\\/]+)') + '\\/?$');
     if (location.pathname.match(reg)) {
diff --git a/src/manifest.json b/src/manifest.json
index f213091..ec0407c 100755
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,6 +1,6 @@
 {
 	"name": "Comfortable Atcoder",
-	"version": "1.5.2",
+	"version": "1.5.3",
 	"manifest_version": 2,
   "description": "Comfort your atcoder life. For more detail, visit https://github.com/drafear/comfortable-atcoder",
   "author": "drafear",
@@ -42,7 +42,7 @@
 		"persistent": false
 	},
 	"options_page": "options-page/options.html",
-	"permissions": ["notifications", "storage"],
+	"permissions": ["notifications", "storage", "<all_urls>"],
 	"icons": {
 		"16": "image/icon.png",
 		"48": "image/icon.png",