diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
index 0cd56817..a03c5fcb 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
@@ -2691,6 +2691,16 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
                 }
             }
         }
+        // 执行第二步操作之前要判断一下参与合卷的钢卷是否有重复，相同的钢卷不能进行合卷操作
+        Set<Long> coilIdSet = new HashSet<>();
+        for (WmsMaterialCoilBo originalCoilBo : bo.getNewCoils()) {
+            if (originalCoilBo.getCoilId() == null) {
+                continue;
+            }
+            if (!coilIdSet.add(originalCoilBo.getCoilId())) {
+                throw new RuntimeException("参与合卷的钢卷中存在重复，相同的钢卷不能进行合卷操作");
+            }
+        }
 
         // 第二步：执行合卷操作
         Boolean batchResult = updateByBatch(bo);