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 985f9e703..1cb96abc3 100644
--- a/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java
+++ b/klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java
@@ -210,7 +210,8 @@ public class WmsMaterialCoilController extends BaseController {
         columns.put("scheduleThickness", "排产厚度");
         columns.put("theoreticalLength", "理论长度");
         columns.put("rawMaterialThickness", "原料厚度");
-        columns.put("chromePlateCoilNo", "镀铬卷号");
+        columns.put("chromePlateCoilNo", "工序卷号");
+        columns.put("thicknessDifference", "厚度差");
         return R.ok(columns);
     }
 
diff --git a/klp-wms/src/main/java/com/klp/domain/WmsMaterialCoil.java b/klp-wms/src/main/java/com/klp/domain/WmsMaterialCoil.java
index 6a2c3a902..bf0a72fbc 100644
--- a/klp-wms/src/main/java/com/klp/domain/WmsMaterialCoil.java
+++ b/klp-wms/src/main/java/com/klp/domain/WmsMaterialCoil.java
@@ -230,7 +230,7 @@ public class WmsMaterialCoil extends BaseEntity {
     private BigDecimal theoreticalLength;
 
     /**
-     * 镀铬卷号
+     * 工序卷号
      */
     private String chromePlateCoilNo;
 
diff --git a/klp-wms/src/main/java/com/klp/domain/bo/WmsMaterialCoilBo.java b/klp-wms/src/main/java/com/klp/domain/bo/WmsMaterialCoilBo.java
index 8f9283aad..c35199ec8 100644
--- a/klp-wms/src/main/java/com/klp/domain/bo/WmsMaterialCoilBo.java
+++ b/klp-wms/src/main/java/com/klp/domain/bo/WmsMaterialCoilBo.java
@@ -408,7 +408,7 @@ public class WmsMaterialCoilBo extends BaseEntity {
     private BigDecimal theoreticalLength;
 
     /**
-     * 镀铬卷号
+     * 工序卷号
      */
     private String chromePlateCoilNo;
 
diff --git a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilAllExportVo.java b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilAllExportVo.java
index 228f75a0e..4edff3767 100644
--- a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilAllExportVo.java
+++ b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilAllExportVo.java
@@ -237,7 +237,7 @@ public class WmsMaterialCoilAllExportVo {
     @ExcelProperty(value = "理论长度")
     private String theoreticalLength;
 
-    @ExcelProperty(value = "镀铬卷号")
+    @ExcelProperty(value = "工序卷号")
     private String chromePlateCoilNo;
 
     @ExcelProperty(value = "实测长度")
@@ -245,4 +245,7 @@ public class WmsMaterialCoilAllExportVo {
 
     @ExcelProperty(value = "实测宽度")
     private String actualWidth;
+
+    @ExcelProperty(value = "厚度差")
+    private String thicknessDifference;
 }
diff --git a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
index a50adcd8c..891fde048 100644
--- a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
+++ b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
@@ -229,9 +229,9 @@ public class WmsMaterialCoilExportVo {
     private BigDecimal theoreticalLength;
 
     /**
-     * 镀铬卷号
+     * 工序卷号
      */
-    @ExcelProperty(value = "镀铬卷号")
+    @ExcelProperty(value = "工序卷号")
     private String chromePlateCoilNo;
 
     /**
diff --git a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilVo.java b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilVo.java
index 790c121f6..87b367cf0 100644
--- a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilVo.java
+++ b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilVo.java
@@ -356,7 +356,7 @@ public class WmsMaterialCoilVo extends BaseEntity {
     private BigDecimal theoreticalLength;
 
     /**
-     * 镀铬卷号
+     * 工序卷号
      */
     private String chromePlateCoilNo;
 
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 962a57abb..408f70063 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
@@ -1057,7 +1057,7 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         qw.eq(bo.getScheduleThickness() != null, "mc.schedule_thickness", bo.getScheduleThickness());
         // 理论长度
         qw.eq(bo.getTheoreticalLength() != null, "mc.theoretical_length", bo.getTheoreticalLength());
-        // 镀铬卷号
+        // 工序卷号
         qw.like(StringUtils.isNotBlank(bo.getChromePlateCoilNo()), "mc.chrome_plate_coil_no", bo.getChromePlateCoilNo());
         // 生产开始时间
         qw.eq(bo.getProductionStartTime() != null, "mc.production_start_time", bo.getProductionStartTime());
@@ -3807,6 +3807,17 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
                     String isRelatedText = vo.getIsRelatedToOrder() == 0 ? "否" : "是";
                     vo.setIsRelatedToOrderText(isRelatedText);
                 }
+
+                // 计算厚度差：理论厚度 - 实际厚度
+                if (vo.getTheoreticalThickness() != null && vo.getActualThickness() != null) {
+                    try {
+                        BigDecimal theory = new BigDecimal(vo.getTheoreticalThickness());
+                        BigDecimal actual = new BigDecimal(vo.getActualThickness());
+                        vo.setThicknessDifference(theory.subtract(actual).toString());
+                    } catch (NumberFormatException ignored) {
+                        // 解析失败则留空
+                    }
+                }
             }
         }
 
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
index daa1b12f6..9dc2d5306 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
@@ -521,7 +521,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             mc.schedule_thickness AS scheduleThickness,
             -- 理论长度
             mc.theoretical_length AS theoreticalLength,
-            -- 镀铬卷号
+            -- 工序卷号
             mc.chrome_plate_coil_no AS chromePlateCoilNo,
             -- 库存状态（中文显示）
             CASE