diff --git a/public_html/doc/install_wait_list.php b/public_html/doc/install_wait_list.php
index 94cdaae..6d53992 100644
--- a/public_html/doc/install_wait_list.php
+++ b/public_html/doc/install_wait_list.php
@@ -241,6 +241,16 @@ function getWaitCategoryColor($cat) {
     default: return 'transparent';
   }
 }
+// 하드코딩
+$categoryLabels = [
+  0 => 'No Category',
+  1 => 'To do list',
+  2 => 'Power Wash',
+  3 => 'Category 3',
+  4 => 'Category 4',
+  5 => 'Category 5'
+];
+
 ?>
 
 <!-- drag and drop -->
@@ -595,7 +605,7 @@ function getWaitCategoryColor($cat) {
                       foreach ($allCats as $i):
                         $checked = in_array($i, $kw_categories ?? []) ? 'checked' : '';
                       ?>
-                      <label class="cat-filter-dot-wrap">
+                      <label class="cat-filter-dot-wrap" title="<?=htmlspecialchars($categoryLabels[$i] ?? '')?>">
                         <input type="checkbox" name="kw_category[]" value="<?=$i?>" <?=$checked?>>
                         <span class="cat-filter-dot" style="--cat-color:<?=getWaitCategoryColor($i)?>"></span>
                       </label>
@@ -757,7 +767,7 @@ function getWaitCategoryColor($cat) {
                           border-radius:50%;
                           display:inline-block;
                           background:<?=getWaitCategoryColor($row['iw_category'])?>;
-                        " title="Category <?=$row['iw_category']?>"></span>
+                        " title="<?=htmlspecialchars($categoryLabels[$row['iw_category']] ?? '')?>"></span>
                       <?php endif; ?>
 
                       <small class="text-muted me-2">
diff --git a/public_html/doc/map.php b/public_html/doc/map.php
index 6156aa9..ceafb93 100644
--- a/public_html/doc/map.php
+++ b/public_html/doc/map.php
@@ -741,7 +741,11 @@ function popup(){
 
         <!-- BODY -->
         <div class="modal-body">
-          <div id="simpleInstallMeta" class="alert alert-warning py-2 px-3 mb-3" style="display:none;">
+          <div id="simpleInstallMeta" class="alert alert-warning py-2 px-3 mb-3" style="display:none; font-size:13px;">
+            <div class="fw-bold mb-2 d-flex align-items-center gap-2">
+              <i class="bi bi-exclamation-triangle-fill"></i>
+              Existing Container Request Found
+            </div>
             <div id="simpleInstallPhotoWrap" class="mb-3" style="display:none;">
               <div id="simpleInstallPhotoList" class="d-flex flex-wrap gap-2 mt-2"></div>
             </div>
diff --git a/public_html/js/install_wait_modal.js b/public_html/js/install_wait_modal.js
index 7682ff3..7f6eba7 100644
--- a/public_html/js/install_wait_modal.js
+++ b/public_html/js/install_wait_modal.js
@@ -16,6 +16,15 @@ const IW_CATEGORY_COLORS = {
   4: '#fa9614',
   5: '#9254de'
 };
+// 하드코딩
+const IW_CATEGORY_LABELS = {
+  0: 'No Category',
+  1: 'To do list',
+  2: 'Power Wash',
+  3: 'Category 3',
+  4: 'Category 4',
+  5: 'Category 5'
+};
 
 /* 슬라이드 이동 (100vw 기준) */
 function goInstallWaitStep(step) {
@@ -452,7 +461,7 @@ function renderCategorySelector() {
   wrap.innerHTML = `
     <div class="iw-cat-box">
       ${[0,1,2,3,4,5].map(i => `
-        <button type="button"
+        <button type="button" title="${IW_CATEGORY_LABELS[i] || ''}"
           class="iw-cat-btn ${InstallWait.category == i ? 'active' : ''}"
           data-value="${i}"
           style="