diff --git a/app/Http/Requests/DailyLog/UpdateDailyLogRequest.php b/app/Http/Requests/DailyLog/UpdateDailyLogRequest.php
index 097f48f6..5e9acc63 100644
--- a/app/Http/Requests/DailyLog/UpdateDailyLogRequest.php
+++ b/app/Http/Requests/DailyLog/UpdateDailyLogRequest.php
@@ -14,6 +14,7 @@ public function authorize(): bool
     public function rules(): array
     {
         return [
+            'log_date' => ['sometimes', 'date', 'date_format:Y-m-d'],
             'project_id' => ['nullable', 'integer', 'exists:admin_pm_projects,id'],
             'summary' => ['nullable', 'string', 'max:5000'],
             'entries' => ['nullable', 'array'],
@@ -29,6 +30,7 @@ public function rules(): array
     public function attributes(): array
     {
         return [
+            'log_date' => '로그 날짜',
             'project_id' => '프로젝트',
             'summary' => '요약',
             'entries' => '항목',
diff --git a/app/Services/ProjectManagement/DailyLogService.php b/app/Services/ProjectManagement/DailyLogService.php
index ae84abd2..66ea27c1 100644
--- a/app/Services/ProjectManagement/DailyLogService.php
+++ b/app/Services/ProjectManagement/DailyLogService.php
@@ -130,6 +130,7 @@ public function updateDailyLog(int $id, array $data): AdminPmDailyLog
             $log = AdminPmDailyLog::findOrFail($id);
 
             $log->update([
+                'log_date' => $data['log_date'] ?? $log->log_date,
                 'project_id' => $data['project_id'] ?? $log->project_id,
                 'summary' => $data['summary'] ?? $log->summary,
                 'updated_by' => auth()->id(),
diff --git a/resources/views/daily-logs/index.blade.php b/resources/views/daily-logs/index.blade.php
index 158bb163..41b9c6be 100644
--- a/resources/views/daily-logs/index.blade.php
+++ b/resources/views/daily-logs/index.blade.php
@@ -201,6 +201,13 @@ function nl2br(text) {
         return escapeHtml(text).replace(/\n/g, '<br>');
     }
 
+    // ISO 날짜를 YYYY-MM-DD 형식으로 변환
+    function formatDateForInput(dateString) {
+        if (!dateString) return '';
+        // ISO 형식 또는 일반 날짜 문자열에서 YYYY-MM-DD 추출
+        return dateString.substring(0, 10);
+    }
+
     // 폼 제출 시 HTMX 이벤트 트리거
     document.getElementById('filterForm').addEventListener('submit', function(e) {
         e.preventDefault();
@@ -245,7 +252,7 @@ function editLog(id) {
             if (data.success) {
                 document.getElementById('modalTitle').textContent = '일일 로그 수정';
                 document.getElementById('logId').value = data.data.id;
-                document.getElementById('logDate').value = data.data.log_date;
+                document.getElementById('logDate').value = formatDateForInput(data.data.log_date);
                 document.getElementById('projectId').value = data.data.project_id || '';
                 document.getElementById('summary').value = data.data.summary || '';
 
diff --git a/resources/views/daily-logs/partials/modal-form.blade.php b/resources/views/daily-logs/partials/modal-form.blade.php
index 674e6074..b3daad42 100644
--- a/resources/views/daily-logs/partials/modal-form.blade.php
+++ b/resources/views/daily-logs/partials/modal-form.blade.php
@@ -47,7 +47,7 @@ class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none foc
                     <label class="block text-sm font-medium text-gray-700 mb-1">일일 요약</label>
                     <textarea id="summary"
                               name="summary"
-                              rows="2"
+                              rows="8"
                               placeholder="오늘의 주요 활동 요약..."
                               class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"></textarea>
                 </div>
@@ -91,4 +91,4 @@ class="px-4 py-2 text-white bg-blue-600 rounded-lg hover:bg-blue-700 transition"
             </form>
         </div>
     </div>
-</div>
\ No newline at end of file
+</div>