diff --git a/package.json b/package.json
index 6962b20..70015d4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wkit",
-  "version": "1.11.2",
+  "version": "1.11.3",
   "type": "module",
   "description": "A library for building fast, lightweight web components.",
   "main": "dist/index.js",
diff --git a/src/html.js b/src/html.js
index b8c3eb9..86a21ab 100644
--- a/src/html.js
+++ b/src/html.js
@@ -6,31 +6,28 @@
 
 import { boolMap, WC_PART, NOTHING } from './constants.js'
 import { animate, MODES } from './anim.js'
-import { nextTick } from './utils.js'
+import { nextTick, noop } from './utils.js'
+
+const BIND_ATTR_SUFFIX = '{{$wkit$}}'
+const MARKER = `{{^wkit${String(Math.random()).slice(-8)}^}}`
+const MARKER_MATCH = '?' + MARKER
+const NODE_MARKER = `<${MARKER_MATCH}>`
 
-const boundAttributeSuffix = '$wc$'
-const marker = `wc$${String(Math.random()).slice(9)}$`
-const markerMatch = '?' + marker
-const nodeMarker = `<${markerMatch}>`
-const createMarker = (v = '') => document.createComment(v)
 const isPrimitive = value =>
   value === null || (typeof value != 'object' && typeof value != 'function')
 const isArray = Array.isArray
 const isIterable = value =>
-  isArray(value) ||
-  typeof (value === null || value === void 0
-    ? false
-    : value[Symbol.iterator]) === 'function'
+  value ? isArray(value) || typeof value[Symbol.iterator] === 'function' : false
 const SPACE_CHAR = `[ \n\f\r]`
 const ATTR_VALUE_CHAR = `[^ \n\f\r"'\`<>=]`
 const NAME_CHAR = `[^\\s"'>=/]`
-const textEndRegex = /<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g
+const TEXT_END_REGEX = /<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g
 const COMMENT_START = 1
 const TAG_NAME = 2
 const DYNAMIC_TAG_NAME = 3
-const commentEndRegex = /-->/g
-const comment2EndRegex = />/g
-const tagEndRegex = new RegExp(
+const COMMENT_END_REGEXP = /-->/g
+const COMMENT_END_REGEXP_2 = />/g
+const TAG_END_REGEXP = new RegExp(
   `>|${SPACE_CHAR}(?:(${NAME_CHAR}+)(${SPACE_CHAR}*=${SPACE_CHAR}*(?:${ATTR_VALUE_CHAR}|("|')|))|$)`,
   'g'
 )
@@ -38,9 +35,9 @@ const ENTIRE_MATCH = 0
 const ATTRIBUTE_NAME = 1
 const SPACES_AND_EQUALS = 2
 const QUOTE_CHAR = 3
-const singleQuoteAttrEndRegex = /'/g
-const doubleQuoteAttrEndRegex = /"/g
-const rawTextElement = /^(?:script|style|textarea|title)$/i
+const SINGLE_QUOTE_REGEXP = /'/g
+const DOUBLE_QUOTE_REGEXP = /"/g
+const RAW_TEXT_ELEM_REGEXP = /^(?:script|style|textarea|title)$/i
 const HTML_RESULT = 1
 const SVG_RESULT = 2
 const ATTRIBUTE_PART = 1
@@ -52,14 +49,12 @@ const COMMENT_PART = 7
 const TEMPLATE_CACHE = new Map()
 const walker = document.createTreeWalker(document, 129, null, false)
 
-function noop() {}
-
 function getTemplateHtml(strings, type) {
   let len = strings.length - 1
   let attrNames = []
   let html2 = type === SVG_RESULT ? '<svg>' : ''
   let rawTextEndRegex
-  let regex = textEndRegex
+  let regex = TEXT_END_REGEX
   for (let i = 0; i < len; i++) {
     let s = strings[i]
     let attrNameEndIndex = -1
@@ -73,25 +68,26 @@ function getTemplateHtml(strings, type) {
         break
       }
       lastIndex = regex.lastIndex
-      if (regex === textEndRegex) {
+
+      if (regex === TEXT_END_REGEX) {
         if (match[COMMENT_START] === '!--') {
-          regex = commentEndRegex
+          regex = COMMENT_END_REGEXP
         } else if (match[COMMENT_START] !== void 0) {
-          regex = comment2EndRegex
+          regex = COMMENT_END_REGEXP_2
         } else if (match[TAG_NAME] !== void 0) {
-          if (rawTextElement.test(match[TAG_NAME])) {
+          if (RAW_TEXT_ELEM_REGEXP.test(match[TAG_NAME])) {
             rawTextEndRegex = new RegExp(`</${match[TAG_NAME]}`, 'g')
           }
-          regex = tagEndRegex
+          regex = TAG_END_REGEXP
         } else if (match[DYNAMIC_TAG_NAME] !== void 0) {
-          regex = tagEndRegex
+          regex = TAG_END_REGEXP
         }
-      } else if (regex === tagEndRegex) {
+      } else if (regex === TAG_END_REGEXP) {
         if (match[ENTIRE_MATCH] === '>') {
           regex =
             rawTextEndRegex !== null && rawTextEndRegex !== void 0
               ? rawTextEndRegex
-              : textEndRegex
+              : TEXT_END_REGEX
           attrNameEndIndex = -1
         } else if (match[ATTRIBUTE_NAME] === void 0) {
           attrNameEndIndex = -2
@@ -100,52 +96,65 @@ function getTemplateHtml(strings, type) {
           attrName = match[ATTRIBUTE_NAME]
           regex =
             match[QUOTE_CHAR] === void 0
-              ? tagEndRegex
+              ? TAG_END_REGEXP
               : match[QUOTE_CHAR] === '"'
-              ? doubleQuoteAttrEndRegex
-              : singleQuoteAttrEndRegex
+              ? DOUBLE_QUOTE_REGEXP
+              : SINGLE_QUOTE_REGEXP
         }
       } else if (
-        regex === doubleQuoteAttrEndRegex ||
-        regex === singleQuoteAttrEndRegex
+        regex === DOUBLE_QUOTE_REGEXP ||
+        regex === SINGLE_QUOTE_REGEXP
       ) {
-        regex = tagEndRegex
-      } else if (regex === commentEndRegex || regex === comment2EndRegex) {
-        regex = textEndRegex
+        regex = TAG_END_REGEXP
+      } else if (
+        regex === COMMENT_END_REGEXP ||
+        regex === COMMENT_END_REGEXP_2
+      ) {
+        regex = TEXT_END_REGEX
       } else {
-        regex = tagEndRegex
+        regex = TAG_END_REGEXP
         rawTextEndRegex = void 0
       }
     }
 
     let end =
-      regex === tagEndRegex && strings[i + 1].startsWith('/>') ? ' ' : ''
+      regex === TAG_END_REGEXP && strings[i + 1].startsWith('/>') ? ' ' : ''
     html2 +=
-      regex === textEndRegex
-        ? s + nodeMarker
+      regex === TEXT_END_REGEX
+        ? s + NODE_MARKER
         : attrNameEndIndex >= 0
         ? (attrNames.push(attrName),
           s.slice(0, attrNameEndIndex) +
-            boundAttributeSuffix +
+            BIND_ATTR_SUFFIX +
             s.slice(attrNameEndIndex)) +
-          marker +
+          MARKER +
           end
         : s +
-          marker +
+          MARKER +
           (attrNameEndIndex === -2 ? (attrNames.push(void 0), i) : end)
   }
   let htmlResult =
     html2 + (strings[len] || '<?>') + (type === SVG_RESULT ? '</svg>' : '')
-  if (!Array.isArray(strings) || !strings.hasOwnProperty('raw')) {
+  if (!isArray(strings) || !strings.hasOwnProperty('raw')) {
     throw new Error('invalid html ast')
   }
   return [htmlResult, attrNames]
 }
 
+function createElement(v = '') {
+  let el = document.createElement('template')
+  el.innerHTML = v
+  return el
+}
+
+function createMarker(v = '') {
+  return document.createComment(v)
+}
+
 class Template {
   parts = []
 
-  constructor({ strings, ['__dom_type__']: type }, options) {
+  constructor({ strings, values, __dom_type__: type }, options) {
     let node
     let nodeIndex = 0
     let attrNameIndex = 0
@@ -153,7 +162,7 @@ class Template {
     let parts = this.parts
     let [html2, attrNames] = getTemplateHtml(strings, type)
 
-    this.el = Template.createElement(html2)
+    this.el = createElement(html2)
 
     walker.currentNode = this.el.content
 
@@ -170,17 +179,14 @@ class Template {
           let attrsToRemove = []
 
           for (let name of node.getAttributeNames()) {
-            if (
-              name.endsWith(boundAttributeSuffix) ||
-              name.startsWith(marker)
-            ) {
+            if (name.endsWith(BIND_ATTR_SUFFIX) || name.startsWith(MARKER)) {
               let realName = attrNames[attrNameIndex++]
               attrsToRemove.push(name)
               if (realName !== void 0) {
                 let value = node.getAttribute(
-                  realName.toLowerCase() + boundAttributeSuffix
+                  realName.toLowerCase() + BIND_ATTR_SUFFIX
                 )
-                let statics = value.split(marker)
+                let statics = value.split(MARKER)
                 let m = /([#:@])?(.*)/.exec(realName)
                 let decorates = []
 
@@ -216,8 +222,8 @@ class Template {
             node.removeAttribute(name)
           }
         }
-        if (rawTextElement.test(node.tagName)) {
-          let strings2 = node.textContent.split(marker)
+        if (RAW_TEXT_ELEM_REGEXP.test(node.tagName)) {
+          let strings2 = node.textContent.split(MARKER)
           let lastIndex = strings2.length - 1
           if (lastIndex > 0) {
             node.textContent = ''
@@ -231,24 +237,19 @@ class Template {
         }
       } else if (node.nodeType === 8) {
         let data = node.data
-        if (data === markerMatch) {
+        if (data === MARKER_MATCH) {
           parts.push({ type: CHILD_PART, index: nodeIndex })
         } else {
           let i = -1
-          while ((i = node.data.indexOf(marker, i + 1)) !== -1) {
+          while ((i = node.data.indexOf(MARKER, i + 1)) !== -1) {
             parts.push({ type: COMMENT_PART, index: nodeIndex })
-            i += marker.length - 1
+            i += MARKER.length - 1
           }
         }
       }
       nodeIndex++
     }
   }
-  static createElement(html2) {
-    let el = document.createElement('template')
-    el.innerHTML = html2
-    return el
-  }
 }
 
 class TemplateInstance {
@@ -378,7 +379,7 @@ class ChildPart {
       } else if (value !== this.#value) {
         this.#commitText(value)
       }
-    } else if (value['__dom_type__'] !== void 0) {
+    } else if (value.__dom_type__ !== void 0) {
       this.#commitTemplateResult(value)
     } else if (value.nodeType !== void 0) {
       this.#commitNode(value)
@@ -415,12 +416,11 @@ class ChildPart {
   }
 
   #commitTemplateResult(result) {
-    let { values, ['__dom_type__']: type } = result
+    let { values, __dom_type__: type } = result
     let template =
       typeof type === 'number'
         ? this.#getTemplate(result)
-        : (type.el === void 0 && (type.el = Template.createElement(type.h)),
-          type)
+        : (type.el === void 0 && (type.el = createElement(type.h)), type)
 
     if (this.#value?.$template === template) {
       this.#value.update(values)
diff --git a/src/utils.js b/src/utils.js
index 17b507b..c751ef2 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -4,7 +4,7 @@
  * @date 2023/03/07 22:11:30
  */
 
-function noop() {}
+export function noop() {}
 
 export function $(selector, container, multi) {
   let fn = multi ? 'querySelectorAll' : 'querySelector'