diff --git a/.eslintrc b/.eslintrc
index 9d3cbf291d..b86d55e15b 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -149,7 +149,6 @@
     "$": true,
     "WebUI": true,
     "BI": true,
-    "BICst": true,
     "Data": true,
     "Fix": true,
     "module": true
diff --git a/demo/js/widget/downlist/demo.downlist.js b/demo/js/widget/downlist/demo.downlist.js
index ff2ef89a71..7c09b6b7e3 100644
--- a/demo/js/widget/downlist/demo.downlist.js
+++ b/demo/js/widget/downlist/demo.downlist.js
@@ -1,31 +1,3 @@
-BICst.CONF = {};
-BICst.CONF.GROUP = {};
-BICst.CONF.GROUP.NUMBER = {};
-BICst.CONF.GROUP.NUMBER = {};
-BICst.CONF.GROUP.NUMBER.GROUP_BY_VALUE = 1;
-BICst.CONF.GROUP.NUMBER.CUSTOM_NUMBER_GROUP = 2;
-BICst.CONF.GROUP.NUMBER.SUM = 3;
-BICst.CONF.GROUP.NUMBER.AVG = 4;
-BICst.CONF.GROUP.NUMBER.MEDIAN = 5;
-BICst.CONF.GROUP.NUMBER.MAX = 6;
-BICst.CONF.GROUP.NUMBER.MIN = 7;
-BICst.CONF.GROUP.NUMBER.STANDARD_DEVIATION = 8;
-BICst.CONF.GROUP.NUMBER.VARIANCE = 9;
-BICst.CONF.GROUP.NUMBER.COUNT = 10;
-BICst.CONF.GROUP.NUMBER.RECORD_COUNT = 11;
-BICst.CONF.GROUP.NUMBER.NONE = 12;
-BICst.CONF.GROUP.NUMBER.PERIOD = 13;
-BICst.CONF.GROUP.NUMBER.RING = 14;
-BICst.CONF.GROUP.NUMBER.PERIOD_RATE = 15;
-BICst.CONF.GROUP.NUMBER.RING_RATE = 16;
-BICst.CONF.GROUP.NUMBER.YEAR = 17;
-BICst.CONF.GROUP.NUMBER.QUARTER = 18;
-BICst.CONF.GROUP.NUMBER.MONTH = 19;
-BICst.CONF.GROUP.NUMBER.WEEK = 20;
-BICst.CONF.GROUP.NUMBER.WEEKDAY = 21;
-BICst.CONF.GROUP.NUMBER.RENAME = 22;
-BICst.CONF.GROUP.NUMBER.DELETE = 23;
-
 Demo.Downlist = BI.inherit(BI.Widget, {
     props: {
         baseCls: "demo-downlist"
diff --git a/dist/demo.js b/dist/demo.js
index 0b91285d95..a014860abd 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -12281,35 +12281,7 @@ Demo.CustomDateTime = BI.inherit(BI.Widget, {
         };
     }
 });
-BI.shortcut("demo.date_time", Demo.CustomDateTime);BICst.CONF = {};
-BICst.CONF.GROUP = {};
-BICst.CONF.GROUP.NUMBER = {};
-BICst.CONF.GROUP.NUMBER = {};
-BICst.CONF.GROUP.NUMBER.GROUP_BY_VALUE = 1;
-BICst.CONF.GROUP.NUMBER.CUSTOM_NUMBER_GROUP = 2;
-BICst.CONF.GROUP.NUMBER.SUM = 3;
-BICst.CONF.GROUP.NUMBER.AVG = 4;
-BICst.CONF.GROUP.NUMBER.MEDIAN = 5;
-BICst.CONF.GROUP.NUMBER.MAX = 6;
-BICst.CONF.GROUP.NUMBER.MIN = 7;
-BICst.CONF.GROUP.NUMBER.STANDARD_DEVIATION = 8;
-BICst.CONF.GROUP.NUMBER.VARIANCE = 9;
-BICst.CONF.GROUP.NUMBER.COUNT = 10;
-BICst.CONF.GROUP.NUMBER.RECORD_COUNT = 11;
-BICst.CONF.GROUP.NUMBER.NONE = 12;
-BICst.CONF.GROUP.NUMBER.PERIOD = 13;
-BICst.CONF.GROUP.NUMBER.RING = 14;
-BICst.CONF.GROUP.NUMBER.PERIOD_RATE = 15;
-BICst.CONF.GROUP.NUMBER.RING_RATE = 16;
-BICst.CONF.GROUP.NUMBER.YEAR = 17;
-BICst.CONF.GROUP.NUMBER.QUARTER = 18;
-BICst.CONF.GROUP.NUMBER.MONTH = 19;
-BICst.CONF.GROUP.NUMBER.WEEK = 20;
-BICst.CONF.GROUP.NUMBER.WEEKDAY = 21;
-BICst.CONF.GROUP.NUMBER.RENAME = 22;
-BICst.CONF.GROUP.NUMBER.DELETE = 23;
-
-Demo.Downlist = BI.inherit(BI.Widget, {
+BI.shortcut("demo.date_time", Demo.CustomDateTime);Demo.Downlist = BI.inherit(BI.Widget, {
     props: {
         baseCls: "demo-downlist"
     },