diff --git a/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java b/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java
index c918b80d..6cc72830 100644
--- a/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java
+++ b/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java
@@ -288,5 +288,16 @@ public class WmsMaterialCoilController extends BaseController {
         return R.ok(result);
     }
 
+    /**
+     * 查询data_type=1的重复钢卷分组
+     * - 入场钢卷号重复分组
+     * - 当前钢卷号重复分组
+     */
+    @GetMapping("/duplicateGroups")
+    public R<Map<String, Object>> getDuplicateCoilGroups() {
+        Map<String, Object> result = iWmsMaterialCoilService.getDuplicateCoilGroups();
+        return R.ok(result);
+    }
+
 }
 
diff --git a/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java b/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
index eef0c0c4..289c60da 100644
--- a/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
+++ b/klp-wms/src/main/java/com/klp/service/IWmsMaterialCoilService.java
@@ -137,5 +137,16 @@ public interface IWmsMaterialCoilService {
      *         - prefix: 前缀值
      */
     Map<String, Object> getMaxEnterCoilNoByPrefix(String enterCoilNoPrefix);
+
+    /**
+     * 查询data_type=1时的重复钢卷分组
+     * 将入场钢卷号重复的分为一组，将当前钢卷号重复的分为一组
+     * 返回结构：
+     *  {
+     *    enterGroups: [ { enterCoilNo: "xxx", coils: [WmsMaterialCoilVo...] }, ...],
+     *    currentGroups: [ { currentCoilNo: "yyy", coils: [WmsMaterialCoilVo...] }, ...]
+     *  }
+     */
+    Map<String, Object> getDuplicateCoilGroups();
 }
 
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 825a19ac..dde057d3 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
@@ -540,6 +540,72 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         return qw;
     }
 
+    @Override
+    public Map<String, Object> getDuplicateCoilGroups() {
+        LambdaQueryWrapper<WmsMaterialCoil> lqw = Wrappers.lambdaQuery();
+        lqw.eq(WmsMaterialCoil::getDataType, 1);
+        lqw.eq(WmsMaterialCoil::getDelFlag, 0);
+        List<WmsMaterialCoil> all = baseMapper.selectList(lqw);
+
+        Map<String, List<WmsMaterialCoil>> enterGrouped = all.stream()
+            .filter(e -> StringUtils.isNotBlank(e.getEnterCoilNo()))
+            .collect(Collectors.groupingBy(WmsMaterialCoil::getEnterCoilNo));
+        Map<String, List<WmsMaterialCoil>> currentGrouped = all.stream()
+            .filter(e -> StringUtils.isNotBlank(e.getCurrentCoilNo()))
+            .collect(Collectors.groupingBy(WmsMaterialCoil::getCurrentCoilNo));
+
+        List<Map<String, Object>> enterGroups = enterGrouped.entrySet().stream()
+            .filter(en -> en.getValue() != null && en.getValue().size() > 1)
+            .map(en -> {
+                List<WmsMaterialCoilVo> vos = en.getValue().stream().map(this::toVoBasic).collect(Collectors.toList());
+                Map<String, Object> m = new HashMap<>();
+                m.put("enterCoilNo", en.getKey());
+                m.put("coils", vos);
+                return m;
+            })
+            .collect(Collectors.toList());
+
+        List<Map<String, Object>> currentGroups = currentGrouped.entrySet().stream()
+            .filter(en -> en.getValue() != null && en.getValue().size() > 1)
+            .map(en -> {
+                List<WmsMaterialCoilVo> vos = en.getValue().stream().map(this::toVoBasic).collect(Collectors.toList());
+                Map<String, Object> m = new HashMap<>();
+                m.put("currentCoilNo", en.getKey());
+                m.put("coils", vos);
+                return m;
+            })
+            .collect(Collectors.toList());
+
+        // 可选：批量填充关联对象信息
+        List<WmsMaterialCoilVo> allVos = new ArrayList<>();
+        for (Map<String, Object> g : enterGroups) {
+            Object list = g.get("coils");
+            if (list instanceof List) {
+                allVos.addAll((List<WmsMaterialCoilVo>) list);
+            }
+        }
+        for (Map<String, Object> g : currentGroups) {
+            Object list = g.get("coils");
+            if (list instanceof List) {
+                allVos.addAll((List<WmsMaterialCoilVo>) list);
+            }
+        }
+        if (!allVos.isEmpty()) {
+            fillRelatedObjectsBatch(allVos);
+        }
+
+        Map<String, Object> result = new HashMap<>();
+        result.put("enterGroups", enterGroups);
+        result.put("currentGroups", currentGroups);
+        return result;
+    }
+
+    private WmsMaterialCoilVo toVoBasic(WmsMaterialCoil e) {
+        WmsMaterialCoilVo vo = new WmsMaterialCoilVo();
+        BeanUtils.copyProperties(e, vo);
+        return vo;
+    }
+
     /**
      * 构建 OR 连接的 LIKE 子句，使用 MyBatis-Plus apply 的 {index} 占位符并将参数加入 args。
      * 例如：column = "p.product_name", values = "A,B" -> 返回 "(p.product_name LIKE {0} OR p.product_name LIKE {1})"