diff --git a/README.md b/README.md
index 009287d..affb374 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,6 @@ docker-compose up -d
 
 ---
 
-_**欢迎关注我们的公众号，点击联系我们，加入微信、qq运维群，获得更多产品、行业相关资讯**_
+_**欢迎关注我们的公众号，点击联系我们，加入微信、qq运维群(336164978)，获得更多产品、行业相关资讯**_
 
 ![公众号](docs/images/qrcode_for_gzh.jpg)
diff --git a/cmdb-api/api/commands/click_acl.py b/cmdb-api/api/commands/click_acl.py
index d35c6a3..8034c46 100644
--- a/cmdb-api/api/commands/click_acl.py
+++ b/cmdb-api/api/commands/click_acl.py
@@ -5,6 +5,9 @@ from flask.cli import with_appcontext
 @click.command()
 @with_appcontext
 def init_acl():
+    """
+    acl init
+    """
     from api.models.acl import Role
     from api.models.acl import App
     from api.tasks.acl import role_rebuild
diff --git a/cmdb-api/api/commands/click_cmdb.py b/cmdb-api/api/commands/click_cmdb.py
index 735464d..37e83f6 100644
--- a/cmdb-api/api/commands/click_cmdb.py
+++ b/cmdb-api/api/commands/click_cmdb.py
@@ -29,6 +29,7 @@ from api.lib.perm.acl.role import RoleCRUD
 from api.lib.perm.acl.user import UserCRUD
 from api.models.acl import App
 from api.models.acl import ResourceType
+from api.models.cmdb import Attribute
 from api.models.cmdb import CI
 from api.models.cmdb import CIRelation
 from api.models.cmdb import CIType
@@ -200,6 +201,9 @@ def del_user(user):
 @click.command()
 @with_appcontext
 def cmdb_counter():
+    """
+    Dashboard calculations
+    """
     from api.lib.cmdb.cache import CMDBCounterCache
 
     while True:
@@ -217,6 +221,9 @@ def cmdb_counter():
 @click.command()
 @with_appcontext
 def cmdb_trigger():
+    """
+    Trigger execution
+    """
     current_day = datetime.datetime.today().strftime("%Y-%m-%d")
     trigger2cis = dict()
     trigger2completed = dict()
@@ -259,3 +266,33 @@ def cmdb_trigger():
 
         i += 1
         time.sleep(10)
+
+
+@click.command()
+@with_appcontext
+def cmdb_index_table_upgrade():
+    """
+    Migrate data from tables c_value_integers, c_value_floats, and c_value_datetime
+    """
+    for attr in Attribute.get_by(to_dict=False):
+        if attr.value_type not in {ValueTypeEnum.TEXT, ValueTypeEnum.JSON}:
+            attr.update(is_index=True)
+
+    from api.models.cmdb import CIValueInteger, CIIndexValueInteger
+    from api.models.cmdb import CIValueFloat, CIIndexValueFloat
+    from api.models.cmdb import CIValueDateTime, CIIndexValueDateTime
+
+    for i in CIValueInteger.get_by(to_dict=False):
+        CIIndexValueInteger.create(ci_id=i.ci_id, attr_id=i.attr_id, value=i.value, commit=False)
+        i.delete(commit=False)
+    db.session.commit()
+
+    for i in CIValueFloat.get_by(to_dict=False):
+        CIIndexValueFloat.create(ci_id=i.ci_id, attr_id=i.attr_id, value=i.value, commit=False)
+        i.delete(commit=False)
+    db.session.commit()
+
+    for i in CIValueDateTime.get_by(to_dict=False):
+        CIIndexValueDateTime.create(ci_id=i.ci_id, attr_id=i.attr_id, value=i.value, commit=False)
+        i.delete(commit=False)
+    db.session.commit()
diff --git a/cmdb-api/api/commands/init_common_setting.py b/cmdb-api/api/commands/init_common_setting.py
index ddc67bc..88483c1 100644
--- a/cmdb-api/api/commands/init_common_setting.py
+++ b/cmdb-api/api/commands/init_common_setting.py
@@ -19,7 +19,7 @@ class InitEmployee(object):
 
     def import_user_from_acl(self):
         """
-        从ACL导入用户
+        Import users from ACL
         """
 
         acl = ACLManager('acl')
@@ -149,7 +149,7 @@ class InitDepartment(object):
 @with_appcontext
 def init_import_user_from_acl():
     """
-    从ACL导入用户
+    Import users from ACL
     """
     InitEmployee().import_user_from_acl()
 
@@ -158,7 +158,7 @@ def init_import_user_from_acl():
 @with_appcontext
 def init_department():
     """
-    初始化 部门
+    Department initialization
     """
     InitDepartment().init()
     InitDepartment().create_acl_role_with_department()
diff --git a/cmdb-api/api/lib/cmdb/attribute.py b/cmdb-api/api/lib/cmdb/attribute.py
index 97b2aaa..bc17d97 100644
--- a/cmdb-api/api/lib/cmdb/attribute.py
+++ b/cmdb-api/api/lib/cmdb/attribute.py
@@ -18,6 +18,7 @@ from api.lib.decorator import kwargs_required
 from api.lib.perm.acl.acl import is_app_admin
 from api.lib.perm.acl.acl import validate_permission
 from api.models.cmdb import Attribute
+from api.models.cmdb import CIType
 from api.models.cmdb import CITypeAttribute
 from api.models.cmdb import CITypeAttributeGroupItem
 from api.models.cmdb import PreferenceShowAttributes
@@ -315,6 +316,9 @@ class AttributeManager(object):
         attr = Attribute.get_by_id(_id) or abort(404, ErrFormat.attribute_not_found.format("id={}".format(_id)))
         name = attr.name
 
+        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 != g.user.uid:
             return abort(403, ErrFormat.cannot_delete_attribute)
 
diff --git a/cmdb-api/api/lib/cmdb/resp_format.py b/cmdb-api/api/lib/cmdb/resp_format.py
index ed21e86..7c53784 100644
--- a/cmdb-api/api/lib/cmdb/resp_format.py
+++ b/cmdb-api/api/lib/cmdb/resp_format.py
@@ -10,6 +10,7 @@ class ErrFormat(CommonErrFormat):
     argument_file_not_found = "文件似乎并未上传"
 
     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_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!"
diff --git a/cmdb-api/api/lib/cmdb/utils.py b/cmdb-api/api/lib/cmdb/utils.py
index 1ea82af..c12b6b7 100644
--- a/cmdb-api/api/lib/cmdb/utils.py
+++ b/cmdb-api/api/lib/cmdb/utils.py
@@ -4,6 +4,7 @@ from __future__ import unicode_literals
 
 import datetime
 import json
+import re
 
 import six
 from markupsafe import escape
@@ -12,6 +13,8 @@ import api.models.cmdb as model
 from api.lib.cmdb.cache import AttributeCache
 from api.lib.cmdb.const import ValueTypeEnum
 
+TIME_RE = re.compile(r"^(20|21|22|23|[0-1]\d):[0-5]\d:[0-5]\d$")
+
 
 def string2int(x):
     return int(float(x))
@@ -31,7 +34,7 @@ class ValueTypeMap(object):
         ValueTypeEnum.INT: string2int,
         ValueTypeEnum.FLOAT: float,
         ValueTypeEnum.TEXT: lambda x: escape(x).encode('utf-8').decode('utf-8'),
-        ValueTypeEnum.TIME: lambda x: escape(x).encode('utf-8').decode('utf-8'),
+        ValueTypeEnum.TIME: lambda x: TIME_RE.findall(escape(x).encode('utf-8').decode('utf-8'))[0],
         ValueTypeEnum.DATETIME: str2datetime,
         ValueTypeEnum.DATE: str2datetime,
         ValueTypeEnum.JSON: lambda x: json.loads(x) if isinstance(x, six.string_types) and x else x,
@@ -61,15 +64,11 @@ class ValueTypeMap(object):
         ValueTypeEnum.INT: model.IntegerChoice,
         ValueTypeEnum.FLOAT: model.FloatChoice,
         ValueTypeEnum.TEXT: model.TextChoice,
+        ValueTypeEnum.TIME: model.TextChoice,
     }
 
     table = {
-        ValueTypeEnum.INT: model.CIValueInteger,
         ValueTypeEnum.TEXT: model.CIValueText,
-        ValueTypeEnum.DATETIME: model.CIValueDateTime,
-        ValueTypeEnum.DATE: model.CIValueDateTime,
-        ValueTypeEnum.TIME: model.CIValueText,
-        ValueTypeEnum.FLOAT: model.CIValueFloat,
         ValueTypeEnum.JSON: model.CIValueJson,
         'index_{0}'.format(ValueTypeEnum.INT): model.CIIndexValueInteger,
         'index_{0}'.format(ValueTypeEnum.TEXT): model.CIIndexValueText,
@@ -81,12 +80,7 @@ class ValueTypeMap(object):
     }
 
     table_name = {
-        ValueTypeEnum.INT: 'c_value_integers',
         ValueTypeEnum.TEXT: 'c_value_texts',
-        ValueTypeEnum.DATETIME: 'c_value_datetime',
-        ValueTypeEnum.DATE: 'c_value_datetime',
-        ValueTypeEnum.TIME: 'c_value_texts',
-        ValueTypeEnum.FLOAT: 'c_value_floats',
         ValueTypeEnum.JSON: 'c_value_json',
         'index_{0}'.format(ValueTypeEnum.INT): 'c_value_index_integers',
         'index_{0}'.format(ValueTypeEnum.TEXT): 'c_value_index_texts',
@@ -117,8 +111,11 @@ class TableMap(object):
     @property
     def table(self):
         attr = AttributeCache.get(self.attr_name) if not self.attr else self.attr
-        if self.is_index is None:
+        if attr.value_type != ValueTypeEnum.TEXT and attr.value_type != ValueTypeEnum.JSON:
+            self.is_index = True
+        elif self.is_index is None:
             self.is_index = attr.is_index
+
         i = "index_{0}".format(attr.value_type) if self.is_index else attr.value_type
 
         return ValueTypeMap.table.get(i)
@@ -126,8 +123,11 @@ class TableMap(object):
     @property
     def table_name(self):
         attr = AttributeCache.get(self.attr_name) if not self.attr else self.attr
-        if self.is_index is None:
+        if attr.value_type != ValueTypeEnum.TEXT and attr.value_type != ValueTypeEnum.JSON:
+            self.is_index = True
+        elif self.is_index is None:
             self.is_index = attr.is_index
+
         i = "index_{0}".format(attr.value_type) if self.is_index else attr.value_type
 
         return ValueTypeMap.table_name.get(i)
diff --git a/cmdb-api/api/models/cmdb.py b/cmdb-api/api/models/cmdb.py
index e1693cb..052957f 100644
--- a/cmdb-api/api/models/cmdb.py
+++ b/cmdb-api/api/models/cmdb.py
@@ -250,6 +250,9 @@ class CIIndexValueDateTime(Model):
 
 
 class CIValueInteger(Model):
+    """
+    Deprecated in a future version
+    """
     __tablename__ = "c_value_integers"
 
     ci_id = db.Column(db.Integer, db.ForeignKey('c_cis.id'), nullable=False)
@@ -261,6 +264,9 @@ class CIValueInteger(Model):
 
 
 class CIValueFloat(Model):
+    """
+    Deprecated in a future version
+    """
     __tablename__ = "c_value_floats"
 
     ci_id = db.Column(db.Integer, db.ForeignKey('c_cis.id'), nullable=False)
@@ -283,6 +289,9 @@ class CIValueText(Model):
 
 
 class CIValueDateTime(Model):
+    """
+    Deprecated in a future version
+    """
     __tablename__ = "c_value_datetime"
 
     ci_id = db.Column(db.Integer, db.ForeignKey('c_cis.id'), nullable=False)
diff --git a/docker-compose.yml b/docker-compose.yml
index f8b9a66..049be9a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -48,7 +48,7 @@ services:
         gunicorn --workers=3 autoapp:app -b 0.0.0.0:5000 -D
         flask cmdb-init-cache
         flask cmdb-init-acl
-        flask cmdb-counter
+        nohup flask cmdb-counter > counter.log 2>&1 &
 
         celery worker -A celery_worker.celery -E -Q one_cmdb_async --concurrency=2 -D
         celery worker -A celery_worker.celery -E -Q acl_async --concurrency=2