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 d87179a4..29407596 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
@@ -2157,9 +2157,8 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
 
         // 根据操作类型使用不同的标识符
         if ("分卷".equals(operation)) {
-            // 分卷：使用原钢卷号 + 分卷列表
-            keyBuilder.append(step.get("old_current_coil_no")).append("->");
-            keyBuilder.append(step.get("new_current_coil_nos"));
+            // 分卷：使用原钢卷号作为唯一标识，避免同一分卷操作的重复
+            keyBuilder.append(step.get("old_current_coil_no"));
         } else if ("合卷".equals(operation)) {
             // 合卷：使用父钢卷列表 + 新钢卷号
             keyBuilder.append(step.get("parent_coil_nos")).append("->");