diff --git a/apps/system/serializers.py b/apps/system/serializers.py
index fa248f60..f2c90bb9 100755
--- a/apps/system/serializers.py
+++ b/apps/system/serializers.py
@@ -255,7 +255,8 @@ class DeptCreateUpdateSerializer(CustomModelSerializer):
     """
     部门序列化
     """
-    parent = serializers.PrimaryKeyRelatedField(queryset=Dept.objects.all(), required=True)
+    parent = serializers.PrimaryKeyRelatedField(
+        queryset=Dept.objects.all(), required=True)
 
     class Meta:
         model = Dept
@@ -281,7 +282,9 @@ class UserSimpleSerializer(CustomModelSerializer):
 
 
 class UserSignatureSerializer(CustomModelSerializer):
-    signature = serializers.CharField(source='employee.signature', read_only=True)
+    signature = serializers.CharField(
+        source='employee.signature', read_only=True)
+
     class Meta:
         model = User
         fields = ['id', 'username', 'name', 'phone', 'signature']
@@ -291,7 +294,8 @@ class UserListSerializer(CustomModelSerializer):
     """
     用户列表序列化
     """
-    belong_dept_name = serializers.CharField(source='belong_dept.name', read_only=True)
+    belong_dept_name = serializers.CharField(
+        source='belong_dept.name', read_only=True)
     post_name = serializers.CharField(source='post.name', read_only=True)
     # posts_ = PostSimpleSerializer(source='posts', many=True)
     avatar_f = MyFilePathField(source='avatar', read_only=True)
@@ -302,7 +306,7 @@ class UserListSerializer(CustomModelSerializer):
 
 
 def phone_exist(phone):
-    if User.objects.filter(phone=phone).exists():
+    if phone and User.objects.filter(phone=phone).exists():
         raise serializers.ValidationError(**PHONE_EXIST)
 
 
@@ -316,7 +320,8 @@ class UserUpdateSerializer(CustomModelSerializer):
     """
     用户编辑序列化
     """
-    phone = serializers.CharField(required=False)
+    phone = serializers.CharField(
+        required=False, allow_blank=True, allow_null=True)
 
     class Meta:
         model = User
@@ -334,7 +339,8 @@ class UserCreateSerializer(CustomModelSerializer):
     创建用户序列化
     """
     username = serializers.CharField(required=True, validators=[user_exist])
-    phone = serializers.CharField(required=False, validators=[phone_exist])
+    phone = serializers.CharField(required=False, validators=[
+                                  phone_exist], allow_blank=True, allow_null=True)
 
     class Meta:
         model = User
@@ -394,7 +400,8 @@ class UserInfoSerializer(CustomModelSerializer):
 
     class Meta:
         model = User
-        fields = ['id', 'username', 'name', 'post', 'avatar', 'belong_dept', 'type']
+        fields = ['id', 'username', 'name', 'post',
+                  'avatar', 'belong_dept', 'type']
 
 
 class ApkSerializer(serializers.Serializer):