diff --git a/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx b/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
index 0dc6a4f..5c2db3b 100644
--- a/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
+++ b/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
@@ -178,6 +178,21 @@ export function MixSignUp(props: {
               className="h-10 text-black duration-500 bg-transparent focus:text-black border-black/20 focus:bg-white focus:border-black rounded hover:bg-white/20 hover:border-black/40 placeholder:black/20 "
             />
 
+            <label htmlFor="referralcode" className="text-xs text-black/50">
+              {t("refcode")}
+            </label>
+
+            <Input
+              name="referralcode"
+              placeholder={t("auth.refcodeplaceholder")}
+              type="text"
+              defaultValue={props.emailValue}
+              autoCapitalize="none"
+              autoComplete="on"
+              autoCorrect="off"
+              required
+              className="h-10 text-black duration-500 bg-transparent focus:text-black border-black/20 focus:bg-white focus:border-black rounded hover:bg-white/20 hover:border-black/40 placeholder:black/20 "
+            />
           </div>
         </div>
 
diff --git a/apps/blogai/locales/en/common.json b/apps/blogai/locales/en/common.json
index 1e2a7b5..409af64 100644
--- a/apps/blogai/locales/en/common.json
+++ b/apps/blogai/locales/en/common.json
@@ -6,6 +6,7 @@
   "username_placeholder": "John Doe",
   "email": "Email",
   "regname": "User Name",
+  "referralcode": "Referral Code",
   "mixaccount": "Phone/Email",
   "first_name": "First Name",
   "password": "Password",
@@ -29,6 +30,7 @@
     "verification_code": "Six-digit verification code",
     "send_again": "Send Again",
     "email_address": "Email Address",
+    "refcodeplaceholder": "Enter your referral code",
     "mixplacehoder": "Enter your phone number or Email address",
     "creat_account": "Creat Account",
     "frogot_password": "Frogot password?",
diff --git a/apps/blogai/locales/zh-CN/common.json b/apps/blogai/locales/zh-CN/common.json
index 7d947e5..9b2f34d 100644
--- a/apps/blogai/locales/zh-CN/common.json
+++ b/apps/blogai/locales/zh-CN/common.json
@@ -6,6 +6,8 @@
   "username_placeholder": "李华",
   "email": "邮箱",
   "regname": "用户名",
+  "referralcode":"推荐码",
+  "refcode": "推荐码",
   "mixaccount": "手机号/邮箱地址",
   "first_name": "昵称",
   "password": "密码",
@@ -29,7 +31,8 @@
     "verification_code": "六位验证码",
     "send_again": "再次发送",
     "email_address": "电子邮件地址",
-    "mixplacehoder": "输入您的手机号或者邮箱地址",
+    "mixplacehoder": "输入你的手机号或者邮箱地址",
+    "refcodeplaceholder": "填入你的推荐码",
     "creat_account": "创建帐户",
     "frogot_password": "忘记密码？",
     "account_not_found": "未找到帐户，您想注册吗?",