diff --git a/frontend/issues-management.html b/frontend/issues-management.html
index e6c05e4..c90fc4b 100644
--- a/frontend/issues-management.html
+++ b/frontend/issues-management.html
@@ -172,13 +172,14 @@
         }
         
         .collapse-content {
-            max-height: 1000px;
-            overflow: hidden;
+            max-height: none;
+            overflow: visible;
             transition: max-height 0.3s ease-out;
         }
         
         .collapse-content.collapsed {
             max-height: 0;
+            overflow: hidden;
         }
         
         /* 진행 중 카드 스타일 */
@@ -658,6 +659,8 @@
                 const issues = groupedByDate[date];
                 const groupId = `group-${date.replace(/\./g, '-')}`;
                 
+                console.log(`📅 날짜 그룹 [${date}]: ${issues.length}개 이슈`);
+                
                 return `
                     <div class="date-group">
                         <div class="date-header flex items-center justify-between p-3 bg-gray-50 rounded-lg" 
@@ -682,6 +685,18 @@
             }).join('');
 
             container.innerHTML = dateGroups;
+            
+            // 모든 날짜 그룹을 기본적으로 펼쳐진 상태로 초기화
+            Object.keys(groupedByDate).forEach(date => {
+                const groupId = `group-${date.replace(/\./g, '-')}`;
+                const content = document.getElementById(groupId);
+                const icon = document.getElementById(`icon-${groupId}`);
+                
+                if (content && icon) {
+                    content.classList.remove('collapsed');
+                    icon.style.transform = 'rotate(0deg)';
+                }
+            });
         }
 
         // 이슈 행 생성 함수