diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 000000000..b71ac0e49
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,39 @@
+const babel = require("@rollup/plugin-babel");
+const alias = require("@rollup/plugin-alias");
+const resolve = require("@rollup/plugin-node-resolve");
+const commonjs = require("@rollup/plugin-commonjs");
+const path = require("path");
+// import { fileURLToPath } from "url";
+// import path from "path";
+
+// const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const input = "src/index.js";
+
+module.exports = [
+    {
+        input,
+        output: [
+            {
+                file: "dist/fineui.esm.js",
+                format: "esm",
+                sourcemap: true
+            }
+        ],
+        plugins: [
+            alias({
+                entries: [
+                    { find: "@", replacement: path.resolve(__dirname, "src") }
+                ]
+            }),
+            resolve(),
+            babel({
+                babelHelpers: "runtime",
+                presets: ["@babel/preset-env"],
+                plugins: [
+                    ["@babel/plugin-proposal-decorators", { legacy: true }]
+                ]
+            }),
+            commonjs()
+        ]
+    }
+];
diff --git a/src/case/button/node/treenode.js b/src/case/button/node/treenode.js
index 5e6a31d58..9a599f344 100644
--- a/src/case/button/node/treenode.js
+++ b/src/case/button/node/treenode.js
@@ -169,7 +169,7 @@ export class FirstPlusGroupNode extends BasicTreeNode {
     }
 }
 
-@shortcut
+@shortcut()
 export class MidPlusGroupNode extends BasicTreeNode {
     static xtype = "bi.mid_plus_group_node";
 
diff --git a/src/core/func/string.js b/src/core/func/string.js
index d273db525..f380b3581 100644
--- a/src/core/func/string.js
+++ b/src/core/func/string.js
@@ -1,4 +1,4 @@
-import {isString} from "../2.base";
+import { isString, each } from "../2.base";
 
 /**
  * 判断字符串是否已指定的字符串开始
@@ -11,6 +11,7 @@ export function startWith(str, startTag) {
     if (startTag == null || startTag == "" || str.length === 0 || startTag.length > str.length) {
         return false;
     }
+    
     return str.substring(0, startTag.length) == startTag;
 }
 
@@ -24,6 +25,7 @@ export function endWith(str, endTag) {
     if (endTag == null || endTag == "" || str.length === 0 || endTag.length > str.length) {
         return false;
     }
+
     return str.substring(str.length - endTag.length) == endTag;
 }
 
@@ -34,11 +36,12 @@ export function endWith(str, endTag) {
  * @return {String} 参数的值
  */
 export function getQuery(str, name) {
-    const reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
+    const reg = new RegExp(`(^|&)${name}=([^&]*)(&|$)`);
     const r = str.substr(str.indexOf("?") + 1).match(reg);
     if (r) {
         return unescape(r[2]);
     }
+
     return null;
 }
 
@@ -58,16 +61,17 @@ export function appendQuery(str, paras) {
         src += "?";
     }
     // 如果以问号结尾，说明没有其他参数
-    if (BI.endWith(src, "?") !== false) {
-    } else {
+    if (!src.endsWith("?")) {
         src += "&";
     }
-    BI._.each(paras, function (value, name) {
+
+    each(paras, (name, value) => {
         if (typeof (name) === "string") {
-            src += name + "=" + value + "&";
+            src += `${name}=${value}&`;
         }
     });
     src = src.substr(0, src.length - 1);
+    
     return src;
 }
 
@@ -89,11 +93,11 @@ export function replaceAll(str, s1, s2) {
  * @returns {String} 以指定字符开头的字符串
  */
 export function perfectStart(str, start) {
-    if (BI.startWith(str, start)) {
+    if (str.startsWith(start)) {
         return str;
     }
-    return start + str;
 
+    return start + str;
 }
 
 /**
@@ -117,5 +121,6 @@ export function allIndexOf(str, sub) {
         str = str.substring(loc + sub.length, str.length);
         offset += loc + sub.length;
     }
+    
     return location;
 }
diff --git a/src/widget/dynamicdate/dynamicdate.combo.js b/src/widget/dynamicdate/dynamicdate.combo.js
index 96266a023..684776f8c 100644
--- a/src/widget/dynamicdate/dynamicdate.combo.js
+++ b/src/widget/dynamicdate/dynamicdate.combo.js
@@ -28,8 +28,7 @@ export class DynamicDateCombo extends Single {
     static EVENT_ERROR = "EVENT_ERROR";
     static EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
     static EVENT_BEFORE_YEAR_MONTH_POPUPVIEW = "EVENT_BEFORE_YEAR_MONTH_POPUPVIEW";
-    static EVENT_BEFORE_YEAR_MONTH_POPUPVIEW = "EVENT_BEFORE_YEAR_MONTH_POPUPVIEW";
-
+   
     static Static = 1;
     static Dynamic = 2;