diff --git a/src/app/api/qna/save/route.ts b/src/app/api/qna/save/route.ts
index 05d0595..85fbc6f 100644
--- a/src/app/api/qna/save/route.ts
+++ b/src/app/api/qna/save/route.ts
@@ -7,6 +7,7 @@ import { getIronSession } from 'iron-session'
 import { SessionData } from '@/types/Auth'
 import { sessionOptions } from '@/libs/session'
 import { cookies } from 'next/headers'
+import { ERROR_MESSAGE } from '@/hooks/useAlertMsg'
 
 /**
  * @api {POST} /api/qna/save 문의 저장 API
@@ -37,7 +38,7 @@ async function setQna(request: Request): Promise<NextResponse> {
   const formData = await request.formData()
   const mailResult = await service.sendMail(formData)
   if (mailResult instanceof ApiError) {
-    return NextResponse.json({ error: mailResult.message }, { status: mailResult.statusCode })
+    return NextResponse.json({ error: ERROR_MESSAGE.EMAIL_SEND_ERROR }, { status: HttpStatusCode.InternalServerError })
   }
 
   const result = await service.tryFunction(() =>
diff --git a/src/app/api/qna/service.ts b/src/app/api/qna/service.ts
index be3d538..5558a1e 100644
--- a/src/app/api/qna/service.ts
+++ b/src/app/api/qna/service.ts
@@ -35,6 +35,9 @@ export class QnaService {
       if (shouldThrowResult) return response
       return this.handleResult(response)
     } catch (error) {
+      if (shouldThrowResult) {
+        return new ApiError(HttpStatusCode.InternalServerError, ERROR_MESSAGE.SERVER_ERROR)
+      }
       return this.handleRouteError(error)
     }
   }
diff --git a/src/components/inquiry/RegistForm.tsx b/src/components/inquiry/RegistForm.tsx
index 1624822..f448aa3 100644
--- a/src/components/inquiry/RegistForm.tsx
+++ b/src/components/inquiry/RegistForm.tsx
@@ -5,7 +5,7 @@ import { useSessionStore } from '@/store/session'
 import { InquiryRequest } from '@/types/Inquiry'
 import { useEffect, useState } from 'react'
 import { useRouter } from 'next/navigation'
-import { CONFIRM_MESSAGE, ERROR_MESSAGE, SUCCESS_MESSAGE, useAlertMsg, WARNING_MESSAGE } from '@/hooks/useAlertMsg'
+import { CONFIRM_MESSAGE, SUCCESS_MESSAGE, useAlertMsg, WARNING_MESSAGE } from '@/hooks/useAlertMsg'
 import { useInquiryFilterStore } from '@/store/inquiryFilterStore'
 
 export default function RegistForm() {
@@ -106,12 +106,10 @@ export default function RegistForm() {
     showConfirm(
       CONFIRM_MESSAGE.SAVE_INQUIRY_CONFIRM,
       async () => {
-        try {
-          const res = await saveInquiry(formData)
+        const res = await saveInquiry(formData)
+        if (!isSavingInquiry) {
           showSuccessAlert(SUCCESS_MESSAGE.SAVE_SUCCESS)
           router.push(`/inquiry/${res.qnaNo}`)
-        } catch (error) {
-          showErrorAlert(ERROR_MESSAGE.SERVER_ERROR)
         }
       },
       () => null,
diff --git a/src/hooks/useInquiry.ts b/src/hooks/useInquiry.ts
index 50b309e..614376d 100644
--- a/src/hooks/useInquiry.ts
+++ b/src/hooks/useInquiry.ts
@@ -5,7 +5,7 @@ import { useInquiryFilterStore } from '@/store/inquiryFilterStore'
 import { useMemo } from 'react'
 import { useRouter } from 'next/navigation'
 import { useAlertMsg } from '@/hooks/useAlertMsg'
-import { CommCode } from '@/types/CommCode'
+
 
 /**
  * @description 문의사항 관련 기능을 제공하는 커스텀 훅