diff --git a/offer_backend/apps/accounts/migrations/0003_alter_user_phone.py b/offer_backend/apps/accounts/migrations/0003_alter_user_phone.py
new file mode 100644
index 0000000..5b3a66a
--- /dev/null
+++ b/offer_backend/apps/accounts/migrations/0003_alter_user_phone.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.2.20 on 2026-03-25 07:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0002_verificationcode'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='phone',
+            field=models.CharField(max_length=20),
+        ),
+    ]
diff --git a/offer_backend/apps/accounts/models.py b/offer_backend/apps/accounts/models.py
index 9ec3b81..745aaab 100644
--- a/offer_backend/apps/accounts/models.py
+++ b/offer_backend/apps/accounts/models.py
@@ -55,7 +55,7 @@ class User(AbstractUser):
         ('seeker', '求职者'),
     ]
     role = models.CharField(max_length=20, choices=ROLE_CHOICES, default='seeker')
-    phone = models.CharField(max_length=20, blank=True)
+    phone = models.CharField(max_length=20)
     organization = models.ForeignKey(
         'organizations.Organization',
         null=True, blank=True,
diff --git a/offer_frontend/src/views/auth/RegisterView.vue b/offer_frontend/src/views/auth/RegisterView.vue
index 114148c..faf7b19 100644
--- a/offer_frontend/src/views/auth/RegisterView.vue
+++ b/offer_frontend/src/views/auth/RegisterView.vue
@@ -5,7 +5,7 @@
       <el-form :model="form" @submit.prevent="handleRegister">
         <el-form-item><el-input v-model="form.username" placeholder="用户名" /></el-form-item>
         <el-form-item><el-input v-model="form.email" placeholder="邮箱" /></el-form-item>
-        <el-form-item><el-input v-model="form.phone" placeholder="手机号（可选）" /></el-form-item>
+        <el-form-item><el-input v-model="form.phone" placeholder="手机号" /></el-form-item>
         <el-form-item><el-input v-model="form.password" type="password" placeholder="密码（至少6位）" show-password /></el-form-item>
         <el-button type="primary" native-type="submit" :loading="loading" style="width:100%">注册</el-button>
       </el-form>