diff --git a/application/hrm_mgnt/models.py b/application/hrm_mgnt/models.py
index 429afb1..bd8ee6d 100644
--- a/application/hrm_mgnt/models.py
+++ b/application/hrm_mgnt/models.py
@@ -96,45 +96,43 @@ class EmployeeInformation(models.Model):
 
     employee_id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=255, verbose_name='姓名')
-    id_number = models.CharField(max_length=255, verbose_name='身份证号', unique=True)
-    gender = models.CharField(max_length=10, choices=GENDER_CHOICES, verbose_name='性别')
-    birthday = models.DateField(verbose_name='生日')
-    age = models.IntegerField(verbose_name='年龄')
-    height = models.DecimalField(max_digits=5, decimal_places=2, verbose_name='身高（cm）')
-    weight = models.DecimalField(max_digits=5, decimal_places=2, verbose_name='体重（kg）')
-    blood_type = models.CharField(max_length=3, choices=BLOOD_TYPE_CHOICES, verbose_name='血型')
-    ethnicity = models.CharField(max_length=255, verbose_name='民族', blank=True)
-    domicile = models.CharField(max_length=255, verbose_name='户籍地', blank=True)
-    marital_status = models.CharField(max_length=50, choices=MARITAL_STATUS_CHOICES, verbose_name='婚姻状态')
-    political_affiliation = models.CharField(max_length=50, choices=POLITICAL_AFFILIATION_CHOICES,
-                                             verbose_name='政治面貌')
-    entry_date = models.DateField(verbose_name='入职日期')
-    regularization_date = models.DateField(null=True, blank=True, verbose_name='转正日期')
-    employment_type = models.CharField(max_length=50, choices=EMPLOYMENT_TYPE_CHOICES, verbose_name='用工性质')
-    status = models.CharField(max_length=50, choices=STATUS_CHOICES, verbose_name='状态')
-    primary_department = models.CharField(max_length=255, verbose_name='一级部门', default='星河')
-    secondary_department = models.CharField(max_length=255, verbose_name='二级部门', default='数资团队')
-    position = models.CharField(max_length=255, verbose_name='岗位', default='数据分析师')
-    rank = models.CharField(max_length=255, verbose_name='职级', default='P1')
-    contract_end_date = models.DateField(null=True, blank=True, verbose_name='当前合同到期日期')
-    mobile_number = models.CharField(max_length=255, verbose_name='手机号')
-    email = models.EmailField(verbose_name='邮箱')
-    mailing_address = models.CharField(max_length=255, verbose_name='通信地址', blank=True)
-    emergency_contact = models.CharField(max_length=255, verbose_name='紧急联系人', blank=True)
-    relation_with_contact = models.CharField(max_length=255, verbose_name='与本人关系', blank=True)
-    emergency_contact_phone = models.CharField(max_length=255, verbose_name='紧急联系人电话', blank=True)
-    education = models.CharField(max_length=50, choices=EDUCATION_CHOICES, verbose_name='学历')
-    undergraduate_school = models.CharField(max_length=255, verbose_name='本科毕业院校', blank=True)
-    graduate_school = models.CharField(max_length=255, verbose_name='研究生毕业院校', blank=True)
-    major = models.CharField(max_length=255, verbose_name='专业', blank=True)
-    technical_title = models.CharField(max_length=255, verbose_name='技术职称', blank=True)
-    base_salary = models.TextField(verbose_name='基础工资（元）', blank=True)
-    salary_account_number = models.CharField(max_length=255, verbose_name='工资卡号', blank=True)
-    bank_of_salary_account = models.CharField(max_length=255, verbose_name='工资卡开户行', blank=True)
-    resignation_type = models.CharField(max_length=50, choices=RESIGNATION_TYPE_CHOICES, verbose_name='离职类型',
-                                        blank=True)
-    resignation_reason = models.TextField(verbose_name='离职原因', blank=True)
-    resignation_date = models.DateField(null=True, blank=True, verbose_name='离职日期')
+    id_number = models.CharField(max_length=255, verbose_name='身份证号', unique=True, blank=True, null=True)
+    gender = models.CharField(max_length=10, choices=GENDER_CHOICES, verbose_name='性别', blank=True, null=True)
+    birthday = models.DateField(verbose_name='生日', blank=True, null=True)
+    age = models.IntegerField(verbose_name='年龄', blank=True, null=True)
+    height = models.DecimalField(max_digits=5, decimal_places=2, verbose_name='身高（cm）', blank=True, null=True)
+    weight = models.DecimalField(max_digits=5, decimal_places=2, verbose_name='体重（kg）', blank=True, null=True)
+    blood_type = models.CharField(max_length=3, choices=BLOOD_TYPE_CHOICES, verbose_name='血型', blank=True, null=True)
+    ethnicity = models.CharField(max_length=255, verbose_name='民族', blank=True, null=True)
+    domicile = models.CharField(max_length=255, verbose_name='户籍地', blank=True, null=True)
+    marital_status = models.CharField(max_length=50, choices=MARITAL_STATUS_CHOICES, verbose_name='婚姻状态', blank=True, null=True)
+    political_affiliation = models.CharField(max_length=50, choices=POLITICAL_AFFILIATION_CHOICES, verbose_name='政治面貌', blank=True, null=True)
+    entry_date = models.DateField(verbose_name='入职日期', blank=True, null=True)
+    regularization_date = models.DateField(verbose_name='转正日期', blank=True, null=True)
+    employment_type = models.CharField(max_length=50, choices=EMPLOYMENT_TYPE_CHOICES, verbose_name='用工性质', blank=True, null=True)
+    status = models.CharField(max_length=50, choices=STATUS_CHOICES, verbose_name='状态', blank=True, null=True)
+    primary_department = models.CharField(max_length=255, verbose_name='一级部门', blank=True, null=True)
+    secondary_department = models.CharField(max_length=255, verbose_name='二级部门', blank=True, null=True)
+    position = models.CharField(max_length=255, verbose_name='岗位')
+    rank = models.CharField(max_length=255, verbose_name='职级')
+    contract_end_date = models.DateField(verbose_name='当前合同到期日期', blank=True, null=True)
+    mobile_number = models.CharField(max_length=255, verbose_name='手机号', blank=True, null=True)
+    email = models.EmailField(verbose_name='邮箱', blank=True, null=True)
+    mailing_address = models.CharField(max_length=255, verbose_name='通信地址', blank=True, null=True)
+    emergency_contact = models.CharField(max_length=255, verbose_name='紧急联系人', blank=True, null=True)
+    relation_with_contact = models.CharField(max_length=255, verbose_name='与本人关系', blank=True, null=True)
+    emergency_contact_phone = models.CharField(max_length=255, verbose_name='紧急联系人电话', blank=True, null=True)
+    education = models.CharField(max_length=50, choices=EDUCATION_CHOICES, verbose_name='学历', blank=True, null=True)
+    undergraduate_school = models.CharField(max_length=255, verbose_name='本科毕业院校', blank=True, null=True)
+    graduate_school = models.CharField(max_length=255, verbose_name='研究生毕业院校', blank=True, null=True)
+    major = models.CharField(max_length=255, verbose_name='专业', blank=True, null=True)
+    technical_title = models.CharField(max_length=255, verbose_name='技术职称', blank=True, null=True)
+    base_salary = models.TextField(verbose_name='基础工资（元）', blank=True, null=True)
+    salary_account_number = models.CharField(max_length=255, verbose_name='工资卡号', blank=True, null=True)
+    bank_of_salary_account = models.CharField(max_length=255, verbose_name='工资卡开户行', blank=True, null=True)
+    resignation_type = models.CharField(max_length=50, choices=RESIGNATION_TYPE_CHOICES, verbose_name='离职类型', blank=True, null=True)
+    resignation_reason = models.TextField(verbose_name='离职原因', blank=True, null=True)
+    resignation_date = models.DateField(verbose_name='离职日期', blank=True, null=True)
 
     def save(self, *args, **kwargs):
         primary_department_name = PrimaryDepartment.objects.filter(department_name=self.primary_department).first()
@@ -152,7 +150,7 @@ class EmployeeInformation(models.Model):
             raise ValueError("岗位不存在")
 
         if not rank:
-            raise ValueError("职位不存在")
+            raise ValueError("职级不存在")
 
         super(EmployeeInformation, self).save(*args, **kwargs)