diff --git a/cmdb-api/api/lib/cmdb/attribute.py b/cmdb-api/api/lib/cmdb/attribute.py
index 83f2029..4a8e265 100644
--- a/cmdb-api/api/lib/cmdb/attribute.py
+++ b/cmdb-api/api/lib/cmdb/attribute.py
@@ -8,6 +8,7 @@ from flask_login import current_user
 
 from api.extensions import db
 from api.lib.cmdb.cache import AttributeCache
+from api.lib.cmdb.cache import CITypeCache
 from api.lib.cmdb.const import CITypeOperateType
 from api.lib.cmdb.const import PermEnum, ResourceTypeEnum, RoleEnum
 from api.lib.cmdb.const import ValueTypeEnum
@@ -319,7 +320,12 @@ class AttributeManager(object):
         if CIType.get_by(unique_id=attr.id, first=True, to_dict=False) is not None:
             return abort(400, ErrFormat.attribute_is_unique_id)
 
-        if attr.uid and attr.uid != current_user.uid:
+        ref = CITypeAttribute.get_by(attr_id=_id, to_dict=False, first=True)
+        if ref is not None:
+            ci_type = CITypeCache.get(ref.type_id)
+            return abort(400, ErrFormat.attribute_is_ref_by_type.format(ci_type.alias))
+
+        if attr.uid != current_user.uid and not is_app_admin('cmdb'):
             return abort(403, ErrFormat.cannot_delete_attribute)
 
         if attr.is_choice:
@@ -331,9 +337,6 @@ class AttributeManager(object):
 
         attr.soft_delete()
 
-        for i in CITypeAttribute.get_by(attr_id=_id, to_dict=False):
-            i.soft_delete()
-
         for i in PreferenceShowAttributes.get_by(attr_id=_id, to_dict=False):
             i.soft_delete()
 
diff --git a/cmdb-api/api/lib/cmdb/ci.py b/cmdb-api/api/lib/cmdb/ci.py
index a51bac0..b70f4d2 100644
--- a/cmdb-api/api/lib/cmdb/ci.py
+++ b/cmdb-api/api/lib/cmdb/ci.py
@@ -38,8 +38,8 @@ from api.lib.decorator import kwargs_required
 from api.lib.perm.acl.acl import ACLManager
 from api.lib.perm.acl.acl import is_app_admin
 from api.lib.perm.acl.acl import validate_permission
-from api.lib.utils import handle_arg_list
 from api.lib.utils import Lock
+from api.lib.utils import handle_arg_list
 from api.models.cmdb import CI
 from api.models.cmdb import CIRelation
 from api.models.cmdb import CITypeAttribute
@@ -49,6 +49,8 @@ from api.tasks.cmdb import ci_delete
 from api.tasks.cmdb import ci_relation_cache
 from api.tasks.cmdb import ci_relation_delete
 
+PRIVILEGED_USERS = {"worker", "cmdb_agent", "agent"}
+
 
 class CIManager(object):
     """ manage CI interface
@@ -316,7 +318,7 @@ class CIManager(object):
         ci_attr2type_attr = {type_attr.attr_id: type_attr for type_attr, _ in attrs}
 
         ci = None
-        need_lock = current_user.username not in ("worker", "cmdb_agent", "agent")
+        need_lock = current_user.username not in current_app.config.get('PRIVILEGED_USERS', PRIVILEGED_USERS)
         with Lock(ci_type_name, need_lock=need_lock):
             existed = cls.ci_is_exist(unique_key, unique_value, ci_type.id)
             if existed is not None:
@@ -411,7 +413,7 @@ class CIManager(object):
 
         limit_attrs = self._valid_ci_for_no_read(ci) if not _is_admin else {}
 
-        need_lock = current_user.username not in ("worker", "cmdb_agent", "agent")
+        need_lock = current_user.username not in current_app.config.get('PRIVILEGED_USERS', PRIVILEGED_USERS)
         with Lock(ci.ci_type.name, need_lock=need_lock):
             self._valid_unique_constraint(ci.type_id, ci_dict, ci_id)
 
diff --git a/cmdb-api/api/lib/cmdb/resp_format.py b/cmdb-api/api/lib/cmdb/resp_format.py
index 7474c48..27208ad 100644
--- a/cmdb-api/api/lib/cmdb/resp_format.py
+++ b/cmdb-api/api/lib/cmdb/resp_format.py
@@ -11,6 +11,7 @@ class ErrFormat(CommonErrFormat):
 
     attribute_not_found = "属性 {} 不存在!"
     attribute_is_unique_id = "该属性是模型的唯一标识，不能被删除!"
+    attribute_is_ref_by_type = "该属性被模型 {} 引用, 不能删除!"
     attribute_value_type_cannot_change = "属性的值类型不允许修改!"
     attribute_list_value_cannot_change = "多值不被允许修改!"
     attribute_index_cannot_change = "修改索引 非管理员不被允许!"
@@ -20,7 +21,7 @@ class ErrFormat(CommonErrFormat):
     add_attribute_failed = "创建属性 {} 失败!"
     update_attribute_failed = "修改属性 {} 失败!"
     cannot_edit_attribute = "您没有权限修改该属性!"
-    cannot_delete_attribute = "您没有权限删除该属性!"
+    cannot_delete_attribute = "目前只允许 属性创建人、管理员 删除属性!"
     attribute_name_cannot_be_builtin = "属性字段名不能是内置字段: id, _id, ci_id, type, _type, ci_type"
 
     ci_not_found = "CI {} 不存在"
diff --git a/cmdb-api/api/lib/database.py b/cmdb-api/api/lib/database.py
index 5145bd4..dfe1fb1 100644
--- a/cmdb-api/api/lib/database.py
+++ b/cmdb-api/api/lib/database.py
@@ -80,10 +80,10 @@ class CRUDMixin(FormatMixin):
             db.session.rollback()
             raise CommitException(str(e))
 
-    def soft_delete(self, flush=False):
+    def soft_delete(self, flush=False, commit=True):
         setattr(self, "deleted", True)
         setattr(self, "deleted_at", datetime.datetime.now())
-        self.save(flush=flush)
+        self.save(flush=flush, commit=commit)
 
     @classmethod
     def get_by_id(cls, _id):
@@ -138,8 +138,11 @@ class CRUDMixin(FormatMixin):
         return result[0] if first and result else (None if first else result)
 
     @classmethod
-    def get_by_like(cls, to_dict=True, **kwargs):
+    def get_by_like(cls, to_dict=True, deleted=False, **kwargs):
         query = db.session.query(cls)
+        if hasattr(cls, "deleted") and deleted is not None:
+            query = query.filter(cls.deleted.is_(deleted))
+
         for k, v in kwargs.items():
             query = query.filter(getattr(cls, k).ilike('%{0}%'.format(v)))
         return [i.to_dict() if to_dict else i for i in query]
diff --git a/cmdb-api/api/lib/perm/acl/resp_format.py b/cmdb-api/api/lib/perm/acl/resp_format.py
index 114010d..25f6bdc 100644
--- a/cmdb-api/api/lib/perm/acl/resp_format.py
+++ b/cmdb-api/api/lib/perm/acl/resp_format.py
@@ -17,6 +17,7 @@ class ErrFormat(CommonErrFormat):
     role_exists = "角色 {} 已经存在!"
     global_role_not_found = "全局角色 {} 不存在!"
     global_role_exists = "全局角色 {} 已经存在!"
+    user_role_delete_invalid = "删除用户角色, 请在 用户管理 页面操作!"
 
     resource_no_permission = "您没有资源: {} 的 {} 权限"
     admin_required = "需要管理员权限"
diff --git a/cmdb-api/api/lib/perm/acl/role.py b/cmdb-api/api/lib/perm/acl/role.py
index 712c7d5..9649913 100644
--- a/cmdb-api/api/lib/perm/acl/role.py
+++ b/cmdb-api/api/lib/perm/acl/role.py
@@ -285,11 +285,13 @@ class RoleCRUD(object):
         return role
 
     @classmethod
-    def delete_role(cls, rid):
+    def delete_role(cls, rid, force=False):
         from api.lib.perm.acl.acl import is_admin
 
         role = Role.get_by_id(rid) or abort(404, ErrFormat.role_not_found.format("rid={}".format(rid)))
 
+        not force and role.uid and abort(400, ErrFormat.user_role_delete_invalid)
+
         if not role.app_id and not is_admin():
             return abort(403, ErrFormat.admin_required)
 
@@ -301,18 +303,20 @@ class RoleCRUD(object):
 
         for i in RoleRelation.get_by(parent_id=rid, to_dict=False):
             child_ids.append(i.child_id)
-            i.soft_delete()
+            i.soft_delete(commit=False)
 
         for i in RoleRelation.get_by(child_id=rid, to_dict=False):
             parent_ids.append(i.parent_id)
-            i.soft_delete()
+            i.soft_delete(commit=False)
 
         role_permissions = []
         for i in RolePermission.get_by(rid=rid, to_dict=False):
             role_permissions.append(i.to_dict())
-            i.soft_delete()
+            i.soft_delete(commit=False)
 
-        role.soft_delete()
+        role.soft_delete(commit=False)
+
+        db.session.commit()
 
         role_rebuild.apply_async(args=(recursive_child_ids, role.app_id), queue=ACL_QUEUE)
 
diff --git a/cmdb-api/api/lib/perm/acl/user.py b/cmdb-api/api/lib/perm/acl/user.py
index 9c9141d..942fae7 100644
--- a/cmdb-api/api/lib/perm/acl/user.py
+++ b/cmdb-api/api/lib/perm/acl/user.py
@@ -107,6 +107,10 @@ class UserCRUD(object):
 
         UserCache.clean(user)
 
+        role = RoleCRUD.get_by_name(user.username, app_id=None)
+        if role:
+            RoleCRUD.delete_role(role[0]['id'], force=True)
+
         AuditCRUD.add_role_log(None, AuditOperateType.delete,
                                AuditScope.user, user.uid, origin, {}, {}, {})
 
diff --git a/cmdb-api/api/views/cmdb/attribute.py b/cmdb-api/api/views/cmdb/attribute.py
index 08864f1..c48de55 100644
--- a/cmdb-api/api/views/cmdb/attribute.py
+++ b/cmdb-api/api/views/cmdb/attribute.py
@@ -63,6 +63,7 @@ class AttributeView(APIView):
         current_app.logger.debug(params)
 
         attr_id = AttributeManager.add(**params)
+
         return self.jsonify(attr_id=attr_id)
 
     @args_validate(AttributeManager.cls)
@@ -72,8 +73,10 @@ class AttributeView(APIView):
         params["choice_value"] = choice_value
         current_app.logger.debug(params)
         AttributeManager().update(attr_id, **params)
+
         return self.jsonify(attr_id=attr_id)
 
     def delete(self, attr_id):
         attr_name = AttributeManager.delete(attr_id)
+
         return self.jsonify(message="attribute {0} deleted".format(attr_name))
diff --git a/cmdb-api/api/views/cmdb/auto_discovery.py b/cmdb-api/api/views/cmdb/auto_discovery.py
index d10b1c2..958d831 100644
--- a/cmdb-api/api/views/cmdb/auto_discovery.py
+++ b/cmdb-api/api/views/cmdb/auto_discovery.py
@@ -75,9 +75,9 @@ class AutoDiscoveryRuleTemplateFileView(APIView):
 
         return self.send_file(bf,
                               as_attachment=True,
-                              attachment_filename="cmdb_auto_discovery.json",
+                              download_name="cmdb_auto_discovery.json",
                               mimetype='application/json',
-                              cache_timeout=0)
+                              max_age=0)
 
     def post(self):
         f = request.files.get('file')
diff --git a/cmdb-api/api/views/cmdb/ci_type.py b/cmdb-api/api/views/cmdb/ci_type.py
index 7d748e1..ba2686f 100644
--- a/cmdb-api/api/views/cmdb/ci_type.py
+++ b/cmdb-api/api/views/cmdb/ci_type.py
@@ -350,9 +350,9 @@ class CITypeTemplateFileView(APIView):
 
         return self.send_file(bf,
                               as_attachment=True,
-                              attachment_filename="cmdb_template.json",
+                              download_name="cmdb_template.json",
                               mimetype='application/json',
-                              cache_timeout=0)
+                              max_age=0)
 
     @role_required(RoleEnum.CONFIG)
     def post(self):  # import