diff --git a/src/components/community/Qna.jsx b/src/components/community/Qna.jsx
index ed65637f..033f7424 100644
--- a/src/components/community/Qna.jsx
+++ b/src/components/community/Qna.jsx
@@ -195,9 +195,7 @@ export default function Qna() {
                   ))
                 ) : (
                   <tr>
-                    <td colSpan={4} className="al-c">
-                      {getMessage('common.message.no.data')}
-                    </td>
+                    <td className="al-c no-data" colSpan={5}>{getMessage('common.message.no.data')}</td>
                   </tr>
                 )}
                 </tbody>
diff --git a/src/components/community/modal/QnaRegModal.jsx b/src/components/community/modal/QnaRegModal.jsx
index ef40457b..c7e3b40b 100644
--- a/src/components/community/modal/QnaRegModal.jsx
+++ b/src/components/community/modal/QnaRegModal.jsx
@@ -27,6 +27,7 @@ export default function QnaRegModal({ setOpen, setReload, searchValue, selectPag
   const qnaTypeLgCodeRef = useRef(null)
   const qnaTypeMdCodeRef = useRef(null)
   const qnaTypeSmCodeRef = useRef(null)
+  const qstMail = useRef(null);
   const regUserNmRef = useRef(null)
   const regUserTelNoRef = useRef(null)
   const titleRef = useRef(null)
@@ -65,6 +66,7 @@ let fileCheck = false;
   const initQnaReg = async () => {
 
 
+    qstMail.current.value = ''
     regUserNmRef.current.value = ''
     regUserTelNoRef.current.value = ''
     qnaTypeLgCodeRef.current.setValue();
@@ -148,7 +150,7 @@ let fileCheck = false;
     if(!fileCheck) return;
 
     fileUploadProps.uploadFiles.forEach((file) => {
-      console.log("file::::::::",file)
+      //console.log("file::::::::",file)
       formData.push(file)
 
     })
@@ -156,6 +158,16 @@ let fileCheck = false;
     fileCheck = false;
   }
 
+  const isValidEmail = (email) => {
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    return emailRegex.test(email);
+  };
+
+  const isEmpty = (value) => {
+    return value === null || value === undefined || value.trim() === "";
+  };
+
+
   const handleQnaSubmit = async () => {
     //필수 체크
 
@@ -164,13 +176,22 @@ let fileCheck = false;
 
      let regUserNm = qnaData?.regUserNm??'';
 
-      if (regUserNm.trim().length === 0) {
+    if (!isValidEmail(qnaData.qstMail)) {
+      qstMail.current.focus();
+      swalFire({
+        title: getMessage('qna.reg.alert.require.qstMail'),
+        icon: 'warning',
+      });
+      return;
+    }
 
-        regUserNmRef.current.value = '';
+
+    if (isEmpty(regUserNm)) {
+      regUserNmRef.current.value = '';
         regUserNmRef.current.focus()
         swalFire({
-          text: getMessage('qna.reg.alert.require.regUserNm'),
-          type: 'alert',
+          title: getMessage('qna.reg.alert.require.regUserNm'),
+          icon: 'warning',
         })
         return false
       }
@@ -178,35 +199,35 @@ let fileCheck = false;
       let qnaClsLrgCd = qnaData?.qnaClsLrgCd??'';
       let qnaClsMidCd = qnaData?.qnaClsMidCd??'';
 
-      if (qnaClsLrgCd.trim().length === 0 || qnaClsMidCd.trim().length === 0 ) {
-        (qnaClsLrgCd.trim().length === 0)?qnaTypeLgCodeRef.current.focus():qnaTypeMdCodeRef.current.focus()
+      if (isEmpty(qnaClsLrgCd) || isEmpty(qnaClsMidCd) ) {
+        (isEmpty(qnaClsLrgCd))?qnaTypeLgCodeRef.current.focus():qnaTypeMdCodeRef.current.focus()
         swalFire({
-          text: getMessage('qna.reg.alert.select.type'),
-          type: 'alert',
+          title: getMessage('qna.reg.alert.select.type'),
+          icon: 'warning',
         })
         return false
       }
 
      let title = qnaData?.title??'';
 
-     if (title.trim().length === 0) {
+     if (isEmpty(title)) {
        titleRef.current.value = '';
        titleRef.current.focus()
        swalFire({
-         text: getMessage('qna.reg.alert.require.title'),
-         type: 'alert',
+         title: getMessage('qna.reg.alert.require.title'),
+         icon: 'warning',
        })
        return false
      }
     //console.log("5::::",qnaData)
     let contents = qnaData?.contents??'';
 
-    if (contents.trim().length === 0) {
+    if (isEmpty(contents)) {
       contentsRef.current.value = '';
       contentsRef.current.focus()
       swalFire({
-        text: getMessage('qna.reg.alert.require.contents'),
-        type: 'alert',
+        title: getMessage('qna.reg.alert.require.contents'),
+        icon: 'warning',
       })
       return false
     }
@@ -310,7 +331,13 @@ let fileCheck = false;
                       <th>{getMessage('qna.list.header.regNm')}</th>
                       <td><input type="text" className="input-light" value={sessionState?.userNm || ''} readOnly  /></td>
                       <th>E-Mail<span className="red">*</span></th>
-                      <td ><input type="text" className="input-light" value={sessionState?.email || ''} readOnly /></td>
+                      <td ><input type="text" className="input-light"  required
+                                  ref={qstMail}
+                                  value={qnaData?.qstMail || ''}
+                                  onChange={(e) => setQnaData({...qnaData, qstMail: e.target.value })}
+                                  onBlur={(e) => setQnaData({ ...qnaData, qstMail: e.target.value })} />
+                      </td>
+
                       <th>{getMessage('qna.reg.header.regDt')}</th>
                       <td>{dayjs(new Date()).format('YYYY-MM-DD')}</td>
                     </tr>
diff --git a/src/hooks/useEvent.js b/src/hooks/useEvent.js
index 59c5d895..d701bcd9 100644
--- a/src/hooks/useEvent.js
+++ b/src/hooks/useEvent.js
@@ -2,7 +2,14 @@ import { useRef } from 'react'
 import { useRecoilValue, useSetRecoilState } from 'recoil'
 import { canvasState, canvasZoomState, currentMenuState, textModeState } from '@/store/canvasAtom'
 import { fabric } from 'fabric'
-import { calculateDistance, calculateDistancePoint, calculateIntersection, distanceBetweenPoints, findClosestPoint } from '@/util/canvas-util'
+import {
+  calculateDistance,
+  calculateDistancePoint,
+  calculateIntersection,
+  distanceBetweenPoints,
+  findClosestPoint,
+  getInterSectionLineNotOverCoordinate,
+} from '@/util/canvas-util'
 import { useAdsorptionPoint } from '@/hooks/useAdsorptionPoint'
 import { useDotLineGrid } from '@/hooks/useDotLineGrid'
 import { useTempGrid } from '@/hooks/useTempGrid'
@@ -146,7 +153,7 @@ export function useEvent() {
         ...innerLinePoints,
       ]
 
-      if (dotLineGridSetting.LINE || canvas.getObjects().filter((obj) => ['lineGrid', 'tempGrid'].includes(obj.name)).length > 0) {
+      if (dotLineGridSetting.LINE || canvas.getObjects().filter((obj) => ['lineGrid', 'tempGrid'].includes(obj.name)).length > 1) {
         const closestLine = getClosestLineGrid(pointer)
 
         const horizonLines = canvas.getObjects().filter((obj) => ['lineGrid', 'tempGrid'].includes(obj.name) && obj.direction === 'horizontal')
@@ -260,7 +267,9 @@ export function useEvent() {
           arrivalPoint = guideIntersectionPoint
         }
       }
-    } catch (e) {}
+    } catch (e) {
+      console.error(e)
+    }
 
     const horizontalLine = new fabric.Line([-4 * canvas.width, arrivalPoint.y, 4 * canvas.width, arrivalPoint.y], {
       stroke: 'red',
@@ -298,7 +307,12 @@ export function useEvent() {
     e.preventDefault()
     e.stopPropagation()
     //임의 그리드 모드일 경우
-    let pointer = { x: e.offsetX, y: e.offsetY }
+    let originPointer = { x: e.offsetX, y: e.offsetY }
+    const mouseLines = canvas.getObjects().filter((obj) => obj.name === 'mouseLine')
+    let pointer = getInterSectionLineNotOverCoordinate(mouseLines[0], mouseLines[1]) || {
+      x: Math.round(originPointer.x),
+      y: Math.round(originPointer.y),
+    }
 
     const tempGrid = new fabric.Line([-1500, pointer.y, 2500, pointer.y], {
       stroke: gridColor,
diff --git a/src/hooks/useTempGrid.js b/src/hooks/useTempGrid.js
index c875bcb3..c0a7dcc1 100644
--- a/src/hooks/useTempGrid.js
+++ b/src/hooks/useTempGrid.js
@@ -2,6 +2,7 @@ import { canvasState, tempGridModeState } from '@/store/canvasAtom'
 import { useRecoilState, useRecoilValue } from 'recoil'
 import { gridColorState } from '@/store/gridAtom'
 import { gridDisplaySelector } from '@/store/settingAtom'
+import { useMouse } from '@/hooks/useMouse'
 
 const GRID_PADDING = 5
 export function useTempGrid() {
@@ -9,10 +10,10 @@ export function useTempGrid() {
   const gridColor = useRecoilValue(gridColorState)
   const isGridDisplay = useRecoilValue(gridDisplaySelector)
   const [tempGridMode, setTempGridMode] = useRecoilState(tempGridModeState)
-
+  const { getIntersectMousePoint } = useMouse()
   const tempGridModeStateLeftClickEvent = (e) => {
     //임의 그리드 모드일 경우
-    let pointer = canvas.getPointer(e.e)
+    let pointer = getIntersectMousePoint(e)
 
     const tempGrid = new fabric.Line([pointer.x, -1500, pointer.x, 2500], {
       stroke: gridColor,
diff --git a/src/locales/ja.json b/src/locales/ja.json
index 00599068..d90cab69 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -612,6 +612,7 @@
   "qna.reg.header.contents": "お問い合わせ内容",
   "qna.reg.header.fileList": "ファイル添付",
   "qna.reg.header.save": "保存",
+  "qna.reg.alert.require.qstMail": "無効なメール形式です。",
   "qna.reg.alert.require.regUserNm": "名前を入力してください。",
   "qna.reg.alert.select.type": "お問い合わせ区分を選択してください。",
   "qna.reg.alert.require.title": "タイトルを入力してください。",
diff --git a/src/locales/ko.json b/src/locales/ko.json
index efcabd1c..67176ee8 100644
--- a/src/locales/ko.json
+++ b/src/locales/ko.json
@@ -612,6 +612,7 @@
   "qna.reg.header.contents": "문의정보",
   "qna.reg.header.fileList": "파일첨부",
   "qna.reg.header.save": "저장",
+  "qna.reg.alert.require.qstMail": "올바르지 않은 이메일 형식입니다.",
   "qna.reg.alert.require.regUserNm": "이름을 입력하세요.",
   "qna.reg.alert.select.type": "문의구분을 선택하세요.",
   "qna.reg.alert.require.title": "제목을 입력하세요.",