diff --git a/src/main/java/com/itn/admin/itn/mjon/spam/service/impl/SpamServiceImpl.java b/src/main/java/com/itn/admin/itn/mjon/spam/service/impl/SpamServiceImpl.java
index 46a66f0..ed97956 100644
--- a/src/main/java/com/itn/admin/itn/mjon/spam/service/impl/SpamServiceImpl.java
+++ b/src/main/java/com/itn/admin/itn/mjon/spam/service/impl/SpamServiceImpl.java
@@ -9,6 +9,7 @@ import com.itn.admin.itn.mjon.spam.mapper.domain.SpamVO;
 import com.itn.admin.itn.mjon.spam.service.SpamService;
 import jakarta.servlet.ServletOutputStream;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.*;
 import org.springframework.stereotype.Service;
@@ -122,15 +123,15 @@ public class SpamServiceImpl implements SpamService {
 
         // 키워드를 버튼용 배열로 변환
         for (SpamVO spam : spamList) {
-            if (spam.getKeywords() != null) {
+            if (StringUtils.isNotEmpty(spam.getKeywords())) {
                 spam.setKeywordList(Arrays.asList(spam.getKeywords().split(", ")));
             }
-            if (spam.getChcKeywords() != null) {
+            if (StringUtils.isNotEmpty(spam.getChcKeywords())) {
                 spam.setChcKeywordList(Arrays.asList(spam.getChcKeywords().split(", ")));
             }
         }
 
-        List<CodeDetailVO> rsnCode02List = new ArrayList<>();
+//        List<CodeDetailVO> rsnCode02List = new ArrayList<>();
         // 키워드를 버튼용 배열로 변환
         for (SpamVO spam : spamList) {
             if (spam.getSpamRsnCode01() != null) {
diff --git a/src/main/java/com/itn/admin/itn/mjon/spam/web/RestSpamController.java b/src/main/java/com/itn/admin/itn/mjon/spam/web/RestSpamController.java
index faa61ba..f954a58 100644
--- a/src/main/java/com/itn/admin/itn/mjon/spam/web/RestSpamController.java
+++ b/src/main/java/com/itn/admin/itn/mjon/spam/web/RestSpamController.java
@@ -5,6 +5,7 @@ import com.itn.admin.itn.code.mapper.domain.CodeDetailVO;
 import com.itn.admin.itn.mjon.spam.service.SpamService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -12,6 +13,10 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+
 @Slf4j
 @RestController
 public class RestSpamController {
@@ -32,6 +37,13 @@ public class RestSpamController {
     // 키워드 -> 핵심키워드 :: keywords -> chc_keywords
     @PutMapping("/mjon/spam/chcKeyword/{spamId}/{word}")
     public ResponseEntity<RestResponse>  updateChcKeyword(@PathVariable String spamId, @PathVariable String word) {
+      /*  try {
+            String decodedWord = URLDecoder.decode(word, StandardCharsets.UTF_8.toString());
+            return ResponseEntity.ok().body(spamService.updateChcKeyword(spamId, decodedWord));
+        } catch (UnsupportedEncodingException e) {
+            // 디코딩에 실패할 경우, 적절한 오류 응답을 보냅니다.
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new RestResponse("Invalid encoding"));
+        }*/
         return ResponseEntity.ok().body(spamService.updateChcKeyword(spamId, word));
     }
 
diff --git a/src/main/resources/static/dist/js/demo.js b/src/main/resources/static/dist/js/demo.js
index dc3dfe1..cd6bbad 100644
--- a/src/main/resources/static/dist/js/demo.js
+++ b/src/main/resources/static/dist/js/demo.js
@@ -524,12 +524,16 @@
     $main_header.addClass(color)
   })
 
-  var active_navbar_color = null
-  $('.main-header')[0].classList.forEach(function (className) {
-    if (navbar_all_colors.indexOf(className) > -1 && active_navbar_color === null) {
-      active_navbar_color = className.replace('navbar-', 'bg-')
-    }
-  })
+  var active_navbar_color = null;
+  var mainHeader = document.querySelector('.main-header');
+
+  if (mainHeader) {
+    mainHeader.classList.forEach(function (className) {
+      if (navbar_all_colors.indexOf(className) > -1 && active_navbar_color === null) {
+        active_navbar_color = className.replace('navbar-', 'bg-');
+      }
+    });
+  }
 
   $navbar_variants_colors.find('option.' + active_navbar_color).prop('selected', true)
   $navbar_variants_colors.removeClass().addClass('custom-select mb-3 text-light border-0 ').addClass(active_navbar_color)
@@ -557,12 +561,17 @@
     $body.addClass(accent_color_class)
   }, true))
 
-  var active_accent_color = null
-  $('body')[0].classList.forEach(function (className) {
-    if (accent_colors.indexOf(className) > -1 && active_accent_color === null) {
-      active_accent_color = className.replace('navbar-', 'bg-')
-    }
-  })
+  var active_accent_color = null;
+  var bodyElement = document.querySelector('body');
+
+  if (bodyElement) {
+    bodyElement.classList.forEach(function (className) {
+      if (accent_colors.indexOf(className) > -1 && active_accent_color === null) {
+        active_accent_color = className.replace('navbar-', 'bg-');
+      }
+    });
+  }
+
 
   // $accent_variants.find('option.' + active_accent_color).prop('selected', true)
   // $accent_variants.removeClass().addClass('custom-select mb-3 text-light border-0 ').addClass(active_accent_color)
diff --git a/src/main/resources/templates/fragments/header.html b/src/main/resources/templates/fragments/header.html
index b8ebe94..cb2739d 100644
--- a/src/main/resources/templates/fragments/header.html
+++ b/src/main/resources/templates/fragments/header.html
@@ -53,7 +53,7 @@
         <!-- ChartJS -->
         <script th:src="@{/plugins/chart.js/Chart.min.js}"></script>
         <!-- Sparkline -->
-        <script th:src="@{/plugins/sparklines/sparkline.js}"></script>
+<!--        <script th:src="@{/plugins/sparklines/sparkline.js}"></script>-->
         <!-- JQVMap -->
         <script th:src="@{/plugins/jqvmap/jquery.vmap.min.js}"></script>
         <script th:src="@{/plugins/jqvmap/maps/jquery.vmap.usa.js}"></script>
@@ -71,9 +71,9 @@
         <!-- AdminLTE App -->
         <script th:src="@{/dist/js/adminlte.js}"></script>
         <!-- AdminLTE for demo purposes -->
-        <script th:src="@{/dist/js/demo.js}"></script>
+<!--        <script th:src="@{/dist/js/demo.js}"></script>-->
         <!-- AdminLTE dashboard demo (This is only for demo purposes) -->
-        <script th:src="@{/dist/js/pages/dashboard.js}"></script>
+<!--        <script th:src="@{/dist/js/pages/dashboard.js}"></script>-->
 <!--        <script th:src="@{/js/fontawesome/all.min.js}"></script>-->
 
         <script th:src="@{/plugins/toastr/toastr.min.js}"></script>
diff --git a/src/main/resources/templates/mjon/spam/select.html b/src/main/resources/templates/mjon/spam/select.html
index 93cb338..d57f251 100644
--- a/src/main/resources/templates/mjon/spam/select.html
+++ b/src/main/resources/templates/mjon/spam/select.html
@@ -122,7 +122,7 @@
                                         <tbody>
                                         <tr th:each="spam, iterStat : ${spamList}">
                                             <td th:text="${(pagingVO.pageNum - 1) * pagingVO.pageSize + iterStat.index + 1}"></td>
-                                            <td th:text="${spam.smsTxt}">스팸문자 내용</td>
+                                            <td th:class="spamTxt" th:text="${spam.smsTxt}">스팸문자 내용</td>
                                             <td>
                                                 <!--
                                                 - adminLTE3 css 참고
@@ -246,8 +246,50 @@
             //     console.log($(this).val());
             // });
 
+
+
+            $('.spamTxt').on('mouseup', function() {
+                var selectedText = window.getSelection().toString().trim();
+
+                // 선택된 텍스트가 있는 경우에만 실행
+                if (selectedText) {
+                    console.log(selectedText); // 선택된 텍스트를 콘솔에 출력
+                    // 핵심 단어 칼럼에 새로운 단어 버튼 추가
+                    var spamId = $(this).closest('tr').find('button').first().data('spamid');
+                    addKeywordToCore(selectedText, spamId, this);
+                }
+            });
         });
 
+        function addKeywordToCore(word, spamId, element) {
+            // 핵심 단어 td를 찾음
+            var coreKeywordTd = $(element).closest('tr').find('td:nth-child(4)');
+
+            // 새로운 버튼 생성
+            var newButton = $('<button>', {
+                class: 'btn btn-success rounded-pill mx-1 my-1',
+                text: word,
+                'data-spamid': spamId,
+                'data-word': word,
+                'data-original-td':2,
+                'data-current-td':3,
+                click: function() {
+                    handleClick(this);
+                }
+            });
+            // 새로운 스팬 생성
+            var newSpan = $('<span></span>').append(newButton);
+
+
+            // 버튼을 핵심 단어 td에 추가
+            coreKeywordTd.append(newSpan);
+
+            // AJAX 호출로 서버에 업데이트
+            fn_chcKeywordUpdate(spamId, word);
+        }
+        function handleClickDrag(button){
+            console.log('button : ', button);
+        }
 
         function handleClick(button) {
             var spamId = button.getAttribute('data-spamid');