feat: update medical training case and auth modules

apps/user/models.py

@@ -129,15 +129,12 @@ class TeacherStudentRelation(BaseModel):
 
 
 class Institution(BaseModel):
-    """医院/学校表"""
-    TYPE_CHOICES = [
-        ('hospital', '医院'),
-        ('school', '学校'),
-    ]
+    """医疗机构表"""
 
     id = models.BigAutoField(primary_key=True)
+    code = models.CharField('机构编码', max_length=100, unique=True)
     name = models.CharField('名称', max_length=255)
-    type = models.CharField('类型', max_length=30, choices=TYPE_CHOICES)
+    type = models.CharField('类型', max_length=30, default='hospital', blank=True)
     level = models.CharField('等级', max_length=30, blank=True)
     province = models.CharField('省份', max_length=50, blank=True)
     city = models.CharField('城市', max_length=50, blank=True)