diff --git a/app/Models/User.php b/app/Models/User.php
index 49e2dee..e5e826a 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -113,6 +113,11 @@ private function getBirthdayFromIdCard(): string
         return $year . '-' . $month . '-' . $day;
     }
 
+    public function isAdult(): bool
+    {
+        return $this->birthday_at->diffInYears(now()) >= 18;
+    }
+
     public function user_group(): BelongsTo
     {
         return $this->belongsTo(UserGroup::class);
diff --git a/resources/views/real_name/create.blade.php b/resources/views/real_name/create.blade.php
index f6d817c..f09f16a 100644
--- a/resources/views/real_name/create.blade.php
+++ b/resources/views/real_name/create.blade.php
@@ -5,17 +5,9 @@
     @php($user = auth('web')->user())
 
     @if ($user->real_name_verified_at)
-        <div class="alert alert-success d-flex align-items-center alert-dismissible fade show" role="alert">
-            <svg class="bi flex-shrink-0 me-2" width="24" height="24" role="img" aria-label="Success:">
-                <use xlink:href="#check-circle-fill"/>
-            </svg>
-            <div>
-                <div>
-                    您已经完成实人认证。
-                </div>
-                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-            </div>
-        </div>
+        <x-alert-success>
+            您已经完成实人认证。
+        </x-alert-success>
     @else
         @if ($user->balance < 1)
             您的余额不足 1 元，无法完成实人认证。