diff --git a/packages/hydrooj/src/handler/home.ts b/packages/hydrooj/src/handler/home.ts
index 55a6fd691..1bbcedeb9 100644
--- a/packages/hydrooj/src/handler/home.ts
+++ b/packages/hydrooj/src/handler/home.ts
@@ -246,7 +246,7 @@ class HomeSecurityHandler extends Handler {
             uname: this.user.uname,
             url_prefix: prefix.endsWith('/') ? prefix.slice(0, -1) : prefix,
         });
-        await mail.sendMail(email, 'Change Email', 'user_changemail_mail', m);
+        await mail.sendMail(email, 'Change Email', 'user_changemail_mail', m.toString());
         this.response.template = 'user_changemail_mail_sent.html';
     }
 
diff --git a/packages/hydrooj/src/handler/user.ts b/packages/hydrooj/src/handler/user.ts
index 9776cc879..5e352be2c 100644
--- a/packages/hydrooj/src/handler/user.ts
+++ b/packages/hydrooj/src/handler/user.ts
@@ -233,7 +233,7 @@ export class UserRegisterHandler extends Handler {
                 path: `/register/${t[0]}`,
                 url_prefix: prefix.endsWith('/') ? prefix.slice(0, -1) : prefix,
             });
-            await sendMail(mail, 'Sign Up', 'user_register_mail', m);
+            await sendMail(mail, 'Sign Up', 'user_register_mail', m.toString());
             this.response.template = 'user_register_mail_sent.html';
             this.response.body = { mail };
         } else this.response.redirect = this.url('user_register_with_code', { code: t[0] });
@@ -323,7 +323,7 @@ class UserLostPassHandler extends Handler {
             url_prefix: prefix.endsWith('/') ? prefix.slice(0, -1) : prefix,
             uname: udoc.uname,
         });
-        await sendMail(mail, 'Lost Password', 'user_lostpass_mail', m);
+        await sendMail(mail, 'Lost Password', 'user_lostpass_mail', m.toString());
         this.response.template = 'user_lostpass_mail_sent.html';
     }
 }
diff --git a/packages/ui-default/components/scratchpad/index.tsx b/packages/ui-default/components/scratchpad/index.tsx
index 820dacaf2..5ed3bd6cc 100644
--- a/packages/ui-default/components/scratchpad/index.tsx
+++ b/packages/ui-default/components/scratchpad/index.tsx
@@ -28,7 +28,7 @@ const pages = {
 let rerenderCallback = null;
 class ScratchpadService extends Service {
   constructor(public store) {
-    super(ctx, 'scratchpad', true);
+    super(ctx, 'scratchpad');
     this.load = new Promise((resolve) => {
       this.loadCallback = resolve;
     });