diff --git a/app/modules/dispatch/router.py b/app/modules/dispatch/router.py
index 5a863a6..30ce37c 100644
--- a/app/modules/dispatch/router.py
+++ b/app/modules/dispatch/router.py
@@ -508,19 +508,21 @@ async def parcels_bulk(
     request: Request,
     batch_id: int,
     field: str = Form(...),
+    value: str = Form("true"),
     user: dict[str, Any] = Depends(_require_user),
 ) -> JSONResponse:
-    """배치 내 모든 박스의 작업 상태 1개를 완료(TRUE)로 일괄 설정. JSON 반환."""
+    """배치 내 모든 박스의 작업 상태 1개를 value(완료/해제)로 일괄 설정. JSON 반환."""
     st = _store(request)
     if st is None:
         raise HTTPException(status_code=503, detail="dispatch_db 미설정")
+    target = str(value).strip().lower() in ("true", "1", "on", "yes")
     try:
         count = st.bulk_set_status(
-            batch_id=batch_id, field=field, value=True, worker_name=user.get("email", "")
+            batch_id=batch_id, field=field, value=target, worker_name=user.get("email", "")
         )
     except ValueError as exc:
         raise HTTPException(status_code=400, detail=str(exc))
-    return JSONResponse({"ok": True, "field": field, "count": count})
+    return JSONResponse({"ok": True, "field": field, "value": target, "count": count})
 
 
 @router.get("/api/batches/{batch_id:int}/parcels")
diff --git a/app/modules/dispatch/templates/dispatch/detail.html b/app/modules/dispatch/templates/dispatch/detail.html
index 6baf7ed..9dc2a90 100644
--- a/app/modules/dispatch/templates/dispatch/detail.html
+++ b/app/modules/dispatch/templates/dispatch/detail.html
@@ -64,8 +64,8 @@
       <input class="erp-input dsp-search" id="dsp-search" type="search"
              placeholder="검색: Order ID / Tracking ID / 받는 사람 / SKU" />
       <div class="dsp-bulk">
-        <button class="erp-btn erp-btn-outline" type="button" onclick="dspBulk(this,'label_attached')">모두 라벨 부착</button>
-        <button class="erp-btn erp-btn-outline" type="button" onclick="dspBulk(this,'handed_to_kagayaku')">모두 Kagayaku 전달</button>
+        <button class="erp-btn erp-btn-outline" type="button" data-bulk="label_attached" onclick="dspBulk(this,'label_attached')">모두 라벨 부착</button>
+        <button class="erp-btn erp-btn-outline" type="button" data-bulk="handed_to_kagayaku" onclick="dspBulk(this,'handed_to_kagayaku')">모두 Kagayaku 전달</button>
       </div>
     </div>
 
@@ -131,13 +131,34 @@
   var STATUS_FIELDS = {{ status_fields|list|tojson }};
   var BATCH_ID = document.querySelector('.dsp').getAttribute('data-batch');
 
-  // ── 일괄 완료 처리 ──
+  // ── 일괄 토글 처리 (전부 완료면 해제, 아니면 완료) ──
   var BULK_LABELS = { label_attached: '라벨 부착', handed_to_kagayaku: 'Kagayaku 전달' };
+
+  function allOn(field) {
+    var cards = document.querySelectorAll('.dsp-card');
+    if (!cards.length) return false;
+    return Array.prototype.every.call(cards, function (c) {
+      return c.getAttribute('data-' + field) === 'true';
+    });
+  }
+
+  // 버튼 상태(초록/외곽선) 동기화. 전부 완료면 on.
+  function refreshBulkButtons() {
+    document.querySelectorAll('.dsp-bulk [data-bulk]').forEach(function (btn) {
+      var on = allOn(btn.getAttribute('data-bulk'));
+      btn.classList.toggle('erp-btn-primary', on);
+      btn.classList.toggle('erp-btn-outline', !on);
+    });
+  }
+
   window.dspBulk = function (btn, field) {
-    if (!confirm('이 배치의 모든 박스를 "' + (BULK_LABELS[field] || field) + '" 완료로 표시할까요?')) return;
+    var target = !allOn(field);  // 전부 완료면 해제, 아니면 완료
+    var verb = target ? '완료로 표시' : '완료 해제';
+    if (!confirm('이 배치의 모든 박스를 "' + (BULK_LABELS[field] || field) + '" ' + verb + '할까요?')) return;
     document.querySelectorAll('.dsp-bulk .erp-btn').forEach(function (b) { b.disabled = true; });
     var body = new URLSearchParams();
     body.set('field', field);
+    body.set('value', target ? 'true' : 'false');
     fetch('/dispatch/batches/' + BATCH_ID + '/bulk', {
       method: 'POST',
       headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
@@ -181,6 +202,7 @@
     });
     card.classList.toggle('is-done', done);
     updateDoneLabel();
+    refreshBulkButtons();
   }
 
   function updateDoneLabel() {
@@ -224,6 +246,8 @@
   });
 
   document.getElementById('dsp-search').addEventListener('input', applyFilter);
+
+  refreshBulkButtons();  // 초기 버튼 상태(전부 완료면 초록)
 })();
 </script>
 {% endblock %}