diff --git a/src/components/ui/common/DoubleBtnAlert.tsx b/src/components/ui/common/DoubleBtnAlert.tsx
index 43129b7..fed3be5 100644
--- a/src/components/ui/common/DoubleBtnAlert.tsx
+++ b/src/components/ui/common/DoubleBtnAlert.tsx
@@ -1,10 +1,19 @@
 'use client'
 
 import { usePopupController } from '@/store/popupController'
-import React from 'react'
 
 export default function DoubleBtnAlert() {
-  const { alertMsg, alert2BtnYes, alert2BtnNo } = usePopupController()
+  const { alertMsg, alert2BtnYes, alert2BtnNo, setAlert2 } = usePopupController()
+
+  const handleAlert2BtnYes = () => {
+    alert2BtnYes()
+    setAlert2(false)
+  }
+
+  const handleAlert2BtnNo = () => {
+    alert2BtnNo()
+    setAlert2(false)
+  }
 
   return (
     <div className="modal-popup alert">
@@ -13,12 +22,12 @@ export default function DoubleBtnAlert() {
           <div className="alert-tit">{alertMsg}</div>
           <div className="alert-btn-wrap">
             <div className="alert-btn-bx">
-              <button className="btn-frame red min" onClick={() => alert2BtnYes()}>
+              <button className="btn-frame red min" onClick={() => handleAlert2BtnYes()}>
                 確認
               </button>
             </div>
             <div className="alert-btn-bx">
-              <button className="btn-frame n-blue min" onClick={() => alert2BtnNo()}>
+              <button className="btn-frame n-blue min" onClick={() => handleAlert2BtnNo()}>
                 キャンセル
               </button>
             </div>
diff --git a/src/components/ui/common/Header.tsx b/src/components/ui/common/Header.tsx
index 6630e1a..30e646f 100644
--- a/src/components/ui/common/Header.tsx
+++ b/src/components/ui/common/Header.tsx
@@ -14,6 +14,7 @@ import { useTitle } from '@/hooks/useTitle'
 import { axiosInstance } from '@/libs/axios'
 
 import 'swiper/css'
+import { confirmParamsSerialize } from '@/utils/window'
 
 export default function Header() {
   const router = useRouter()
@@ -38,6 +39,22 @@ export default function Header() {
     }
   }
 
+  const handleYes = () => {
+    console.log('yes')
+  }
+
+  const handleNo = () => {
+    console.log('no')
+  }
+
+  const handleCofirm = () => {
+    window.neoConfirm(
+      'よろしいですか？',
+      () => console.log('yes'),
+      () => console.log('no'),
+    )
+  }
+
   return (
     <>
       <div className="header-warp">
@@ -45,7 +62,7 @@ export default function Header() {
           <div className="header-inner">
             {backBtn && (
               <div className="back-button-wrap">
-                <button className="back-button" onClick={() => router.back()}></button>
+                <button className="back-button" onClick={handleCofirm}></button>
               </div>
             )}
             <h2 className="logo">
diff --git a/src/providers/EdgeProvider.tsx b/src/providers/EdgeProvider.tsx
index 9caa71d..424ab2d 100644
--- a/src/providers/EdgeProvider.tsx
+++ b/src/providers/EdgeProvider.tsx
@@ -7,6 +7,12 @@ import { usePathname } from 'next/navigation'
 import { useEffect } from 'react'
 import { useSessionStore } from '@/store/session'
 
+declare global {
+  interface Window {
+    neoConfirm: (msg?: string, alertBtn2Yes?: Function, alertBtn2No?: Function) => boolean
+  }
+}
+
 interface EdgeProviderProps {
   children: React.ReactNode
   sessionData: string
@@ -44,25 +50,18 @@ export default function EdgeProvider({ children, sessionData }: EdgeProviderProp
     setAlert2(true)
   }
 
-  //alert 함수 변경해서 바인딩
   useEffect(() => {
+    //alert 함수 변경해서 바인딩
     window.alert = function (msg, alertBtn = () => setAlert(false)) {
       alertFunc(msg, alertBtn)
     }
-    window.confirm = function (msg = '', alert2BtnYes = () => setAlert2(false), alert2BtnNo = () => setAlert2(false)) {
-      alertFunc2(
-        msg,
-        () => {
-          alert2BtnYes()
-          return true
-        },
-        () => {
-          alert2BtnNo()
-          return false
-        },
-      )
+    // confirm 함수 변경해서 바인딩
+    window.neoConfirm = function (msg: string | undefined, alertBtn2Yes?: Function, alertBtn2No?: Function) {
+      if (!msg) return false
+      alertFunc2(msg, alertBtn2Yes || (() => {}), alertBtn2No || (() => {}))
       return false
     }
+    // 서버 세션이 있으면 zuatand 세션 데이터 갱신
     if (sessionData && sessionData !== '') {
       setSession({
         ...session,
diff --git a/src/utils/window.ts b/src/utils/window.ts
new file mode 100644
index 0000000..bb20dae
--- /dev/null
+++ b/src/utils/window.ts
@@ -0,0 +1,7 @@
+export const confirmParamsSerialize = ({ msg, yes, no }: { msg: string; yes: () => void; no: () => void }) => {
+  return JSON.stringify({ msg, yes, no })
+}
+
+export const confirmParamsDeserialize = (params: string) => {
+  return JSON.parse(params)
+}