diff --git a/seal/schema.py b/seal/schema.py
index 7408af5..2df9bd7 100644
--- a/seal/schema.py
+++ b/seal/schema.py
@@ -1,105 +1,106 @@
-from system.models import Users
-from graphene_django import DjangoObjectType
-import graphene
-
-
-# 相关文档 https://passwo.gitbook.io/graphql/index/drf
-class UserType(DjangoObjectType):
-    class Meta:
-        model = Users
-
-
-class Query(graphene.ObjectType):
-    users = graphene.List(UserType)
-
-    # List == Field:
-    # List 返回结果会是遍历所有查询结果
-    # Field 返回结果只存在单个 (其中可添加参数, ex. pk)
-    single_user = graphene.Field(UserType, pk=graphene.Int())
-
-    # 定义函数名的格式: resolve_字段
-    # **kwargs 传递参数
-    # pk: 如果在字段中定义, 则方法参数中必含
-    def resolve_users(self, info, **kwargs):
-        return Users.objects.all()
-
-    def resolve_single_user(self, info, pk):
-        return Users.objects.get(id=pk)
-
-
-class TQuery(Query, graphene.ObjectType):
-    pass
-
-
-class CreateUser(graphene.Mutation):
-    class Arguments:
-        username = graphene.String(required=True)
-
-    info = graphene.Field(UserType)
-    ok = graphene.Boolean()
-
-    def mutate(self, info, **kwargs):
-        # print(info.context.user, '==当前用户==')
-        # kwargs 是传递参数中的变量
-        # user = info.context.user
-        user_obj = Users(**kwargs)
-        try:
-            user_obj.save()
-            ok = True
-        except Exception as e:
-            print(e)
-            ok = False
-        return CreateUser(ok=ok, info=user_obj)
-
-
-class CMutation(object):
-    create_user = CreateUser.Field()
-
-
-class UpdateUser(graphene.Mutation):
-    class Arguments:
-        username = graphene.String()
-        pk = graphene.Int(required=True)
-
-    info = graphene.Field(UserType)
-    ok = graphene.Boolean()
-
-    def mutate(self, info, **kwargs):
-        pk = kwargs.get('pk')
-        user_obj = Users.objects.get(id=pk)
-        if not user_obj:
-            return UpdateUser(ok=False)
-        user_obj.__dict__.update(**kwargs)
-        user_obj.save()
-        ok = True
-        return UpdateUser(ok=ok, info=user_obj)
-
-
-class UMutation(object):
-    update_user = UpdateUser.Field()
-
-
-class DeleteUser(graphene.Mutation):
-    class Arguments:
-        pk = graphene.Int()
-
-    ok = graphene.Boolean()
-
-    def mutate(self, info, **kwargs):
-        pk = kwargs.get('pk')
-
-        user = Users.objects.get(id=pk)
-        user.delete()
-        return DeleteUser(ok=True)
-
-
-class DMutation(object):
-    delete_user = DeleteUser.Field()
-
-
-class Mutations(CMutation, UMutation,DMutation,graphene.ObjectType):
-    pass
-
-
-schema = graphene.Schema(query=TQuery, mutation=Mutations)
-
+from system.models import Users
+from graphene_django import DjangoObjectType
+import graphene
+
+
+# 相关文档 https://passwo.gitbook.io/graphql/index/drf
+class UserType(DjangoObjectType):
+    class Meta:
+        model = Users
+        fields = "__all__"
+
+
+class Query(graphene.ObjectType):
+    users = graphene.List(UserType)
+
+    # List == Field:
+    # List 返回结果会是遍历所有查询结果
+    # Field 返回结果只存在单个 (其中可添加参数, ex. pk)
+    single_user = graphene.Field(UserType, pk=graphene.Int())
+
+    # 定义函数名的格式: resolve_字段
+    # **kwargs 传递参数
+    # pk: 如果在字段中定义, 则方法参数中必含
+    def resolve_users(self, info, **kwargs):
+        return Users.objects.all()
+
+    def resolve_single_user(self, info, pk):
+        return Users.objects.get(id=pk)
+
+
+class TQuery(Query, graphene.ObjectType):
+    pass
+
+
+class CreateUser(graphene.Mutation):
+    class Arguments:
+        username = graphene.String(required=True)
+
+    info = graphene.Field(UserType)
+    ok = graphene.Boolean()
+
+    def mutate(self, info, **kwargs):
+        # print(info.context.user, '==当前用户==')
+        # kwargs 是传递参数中的变量
+        # user = info.context.user
+        user_obj = Users(**kwargs)
+        try:
+            user_obj.save()
+            ok = True
+        except Exception as e:
+            print(e)
+            ok = False
+        return CreateUser(ok=ok, info=user_obj)
+
+
+class CMutation(object):
+    create_user = CreateUser.Field()
+
+
+class UpdateUser(graphene.Mutation):
+    class Arguments:
+        username = graphene.String()
+        pk = graphene.Int(required=True)
+
+    info = graphene.Field(UserType)
+    ok = graphene.Boolean()
+
+    def mutate(self, info, **kwargs):
+        pk = kwargs.get('pk')
+        user_obj = Users.objects.get(id=pk)
+        if not user_obj:
+            return UpdateUser(ok=False)
+        user_obj.__dict__.update(**kwargs)
+        user_obj.save()
+        ok = True
+        return UpdateUser(ok=ok, info=user_obj)
+
+
+class UMutation(object):
+    update_user = UpdateUser.Field()
+
+
+class DeleteUser(graphene.Mutation):
+    class Arguments:
+        pk = graphene.Int()
+
+    ok = graphene.Boolean()
+
+    def mutate(self, info, **kwargs):
+        pk = kwargs.get('pk')
+
+        user = Users.objects.get(id=pk)
+        user.delete()
+        return DeleteUser(ok=True)
+
+
+class DMutation(object):
+    delete_user = DeleteUser.Field()
+
+
+class Mutations(CMutation, UMutation,DMutation,graphene.ObjectType):
+    pass
+
+
+schema = graphene.Schema(query=TQuery, mutation=Mutations)
+