diff --git a/egovframe-template-simple-react-contribution/src/pages/support/Detail.jsx b/egovframe-template-simple-react-contribution/src/pages/support/Detail.jsx
index 0402f9c..95b7f61 100644
--- a/egovframe-template-simple-react-contribution/src/pages/support/Detail.jsx
+++ b/egovframe-template-simple-react-contribution/src/pages/support/Detail.jsx
@@ -34,6 +34,7 @@ function Detail(){
     };
 
     const retrieveList = useCallback(() => {
+        console.log("@@@ retrieveList 호출됨");
         const retrieveListURL = '/user/boards/reply/reply-list?bbsContSeq=' + bbsContSeq;
 
         const requestOptions = {
@@ -49,13 +50,13 @@ function Detail(){
                 let mutListTag = [];
                 setListTag([]);
                 resp.result.replyList.forEach(function (item) {
-                    const finalModifiedDate = item?.lastChgDt ? item?.lastChgDt : item?.frstCrtDt;
+                    const finalModifiedDate = item?.lastChgDt || item?.frstCrtDt;
                     const formattedDate = finalModifiedDate ? format(finalModifiedDate, "yyyy-MM-dd HH:mm:ss") : "";
                     mutListTag.push(
-                        <li>
+                        <li key={item.replSeq}>
                             <span>{item?.frstCrtId}, {formattedDate}</span>
                             {item?.replCont}
-                            <Link to="#" className="btn delete">삭제</Link>
+                            <Link to="#" className="btn delete" onClick={() => deleteReply(item.replSeq)}>삭제</Link>
                         </li>
                     );
                 });
@@ -66,7 +67,7 @@ function Detail(){
                 console.log("err response : ", resp);
             }
         );
-    },[]);
+    },[bbsContSeq]);
 
     useEffect(() => {
         retrieveList();
@@ -81,7 +82,7 @@ function Detail(){
         editReply(e);
     };
 
-    function editReply(e) {
+    const editReply = (e) => {
         e.preventDefault();
         e.stopPropagation();
 
@@ -113,6 +114,33 @@ function Detail(){
         )
     }
 
+    const deleteReply = (replSeq) => {
+        if (window.confirm("삭제하시겠습니까?")) {
+            EgovNet.requestFetch(
+                '/user/boards/reply/reply-mgt',
+                {
+                    method: "DELETE",
+                    headers: {
+                        'Content-type': 'application/json'
+                    },
+                    body: JSON.stringify({replSeq})
+                },
+                (resp) => {
+                    if (Number(resp.resultCode) === Number(CODE.RCV_SUCCESS)) {
+                        console.log("@@@ 삭제 성공, retrieveList 호출");
+                        retrieveList();
+                    } else if (Number(resp.resultCode) === Number(CODE.RCV_ERROR_AUTH)) {
+                        console.log("토큰 갱신중.")
+                    } else {
+                        alert(resp.result.resultMessage)
+                    }
+                }
+            )
+        }
+    }
+
+
+
     return (
         <div className="container">
             <div className="c_wrap">
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/UserBoardsController.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/UserBoardsController.java
index 25d9b55..e6ba546 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/UserBoardsController.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/UserBoardsController.java
@@ -225,4 +225,31 @@ public class UserBoardsController extends BaseController {
         return resultVO;
     }
 
+    @Operation(
+            summary = "댓글 삭제",
+            description = "댓글 삭제",
+            tags = {"AdminBoardsController"}
+    )
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "삭제 성공"),
+            @ApiResponse(responseCode = "403", description = "인가된 사용자가 아님")
+    })
+    @RequestMapping(method = RequestMethod.DELETE, value = "/reply/reply-mgt")
+    public ResultVO deleteReplyMgt(@RequestBody TnBbsRepl tnBbsRepl, HttpServletRequest request, @AuthenticationPrincipal LoginVO user) {
+        ResultVO resultVO = new ResultVO();
+        if (user == null) {
+            resultVO.setResultCode(ResponseCode.TOKEN_EXPIRED.getCode());
+        } else {
+            tnBbsRepl.setIpAddress(ClientUtils.getRemoteIP(request));
+            String result = userBoardsService.deleteReply(tnBbsRepl);
+            if (result == null) {
+                resultVO.setResultCode(ResponseCode.SUCCESS.getCode());
+            } else if (result.equals("notFind")) {
+                resultVO.setResultCode(ResponseCode.SAVE_ERROR.getCode());
+                resultVO.setResultMessage("대상이 존재하지 않습니다.");
+            }
+        }
+        return resultVO;
+    }
+
 }
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/service/UserBoardsService.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/service/UserBoardsService.java
index 311db78..0c3a26e 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/service/UserBoardsService.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/user/service/UserBoardsService.java
@@ -50,4 +50,15 @@ public class UserBoardsService extends EgovAbstractServiceImpl {
         tnBbsReplRepository.save(tnBbsRepl);
     }
 
+    @Transactional
+    public String deleteReply(TnBbsRepl tnBbsRepl) {
+        TnBbsRepl savedReply = tnBbsReplRepository.findById(tnBbsRepl.getReplSeq()).orElse(null);
+        if (savedReply == null) {
+            return "notFind";
+        } else {
+            tnBbsReplRepository.deleteById(tnBbsRepl.getReplSeq());
+            return null;
+        }
+    }
+
 }