diff --git a/src/main/java/cn/lihongjie/coal/empSalary/controller/EmpSalaryController.java b/src/main/java/cn/lihongjie/coal/empSalary/controller/EmpSalaryController.java
index feafba77..9e015463 100644
--- a/src/main/java/cn/lihongjie/coal/empSalary/controller/EmpSalaryController.java
+++ b/src/main/java/cn/lihongjie/coal/empSalary/controller/EmpSalaryController.java
@@ -86,6 +86,12 @@ public class EmpSalaryController {
         return true;
     }
 
+    @PostMapping("/recalculatePreview")
+    public Object recalculatePreview(@RequestBody UpdateEmpSalaryDto request) {
+        this.service.recalculatePreview(request);
+        return true;
+    }
+
     @PostMapping("/archive")
     public Object archive(@RequestBody IdRequest request) {
         this.service.archive(request);
diff --git a/src/main/java/cn/lihongjie/coal/empSalary/dto/EmpSalaryDto.java b/src/main/java/cn/lihongjie/coal/empSalary/dto/EmpSalaryDto.java
index b6d7ac21..6115d99e 100644
--- a/src/main/java/cn/lihongjie/coal/empSalary/dto/EmpSalaryDto.java
+++ b/src/main/java/cn/lihongjie/coal/empSalary/dto/EmpSalaryDto.java
@@ -282,4 +282,15 @@ public class EmpSalaryDto extends OrgCommonDto {
 
     @Comment("出生日期")
     private LocalDate birthday;
+
+
+    /**
+     * 批次数据冗余
+     */
+
+    @Comment("批次年月")
+    private LocalDate batchYearMonth;
+
+    @Comment("批次号")
+    private String batchNo;
 }
diff --git a/src/main/java/cn/lihongjie/coal/empSalary/entity/EmpSalaryEntity.java b/src/main/java/cn/lihongjie/coal/empSalary/entity/EmpSalaryEntity.java
index 8523f5cd..154e9602 100644
--- a/src/main/java/cn/lihongjie/coal/empSalary/entity/EmpSalaryEntity.java
+++ b/src/main/java/cn/lihongjie/coal/empSalary/entity/EmpSalaryEntity.java
@@ -277,6 +277,17 @@ public class EmpSalaryEntity extends OrgCommonEntity {
     @Comment("出生日期")
     private LocalDate birthday;
 
+
+    /**
+     * 批次数据冗余
+     */
+
+    @Comment("批次年月")
+    private LocalDate batchYearMonth;
+
+    @Comment("批次号")
+    private String batchNo;
+
     @Comment("归档状态")
     @ColumnDefault("'0'")
     private String archiveStatus = "0";
@@ -288,6 +299,9 @@ public class EmpSalaryEntity extends OrgCommonEntity {
         updateEmpInfo(salaryEntity);
 
         updateAttendance(salaryEntity);
+
+        this.batchNo = salaryEntity.batchNo;
+        this.batchYearMonth = salaryEntity.batchYearMonth;
     }
 
     private void updateAttendance(EmpSalaryEntity salaryEntity) {
diff --git a/src/main/java/cn/lihongjie/coal/empSalary/service/EmpSalaryService.java b/src/main/java/cn/lihongjie/coal/empSalary/service/EmpSalaryService.java
index 79c56b53..23aa4c4d 100644
--- a/src/main/java/cn/lihongjie/coal/empSalary/service/EmpSalaryService.java
+++ b/src/main/java/cn/lihongjie/coal/empSalary/service/EmpSalaryService.java
@@ -200,9 +200,54 @@ public class EmpSalaryService extends BaseService<EmpSalaryEntity, EmpSalaryRepo
     }
 
     /** 针对某个员工重新计算, 用于编辑表单的预览 */
-    public EmpSalaryDto recalculatePreview(UpdateEmpSalaryDto dto) {
+    @SneakyThrows
+    public UpdateEmpSalaryDto recalculatePreview(UpdateEmpSalaryDto dto) {
 
-        return null;
+        EmpSalaryBatchEntity batch = this.batchService.get(dto.getBatch());
+
+        EmpSalaryEntity salary = this.get(dto.getId());
+
+        GroovyClassLoader groovyClassLoader = null;
+        groovyClassLoader = initClassLoader(groovyClassLoader);
+
+        Script scriptObj = initScriptClass(groovyClassLoader, genScript(batch));
+
+        Map<String, Object> ctx = buildCtx(null, null, null, salary);
+
+        // 覆盖工资项目
+
+        overWriteSalaryItem(ctx, ReflectUtils.toMap(dto));
+
+        scriptObj.setBinding(new Binding(Map.of("salary", ctx)));
+
+        scriptObj.run();
+
+        updateItems(ctx, dto);
+
+        return dto;
+    }
+
+    private void updateItems(Map<String, Object> ctx, UpdateEmpSalaryDto dto) {
+
+        for (String string : ctx.keySet()) {
+
+            if (string.startsWith("item")) {
+
+                Object value = ctx.get(string);
+
+                ReflectUtils.writeField(dto, string, value);
+            }
+        }
+    }
+
+    private void overWriteSalaryItem(Map<String, Object> ctx, Map<String, Object> map) {
+
+        for (String string : map.keySet()) {
+
+            if (string.startsWith("item")) {
+                ctx.put(string, map.get(string));
+            }
+        }
     }
 
     /** 重新计算 */
@@ -469,6 +514,7 @@ public class EmpSalaryService extends BaseService<EmpSalaryEntity, EmpSalaryRepo
             log.info(stopWatch.prettyPrint());
         }
     }
+
     @Autowired EmpMonthAttendanceMapper empMonthAttendanceMapper;
 
     private String genScript(EmpSalaryBatchEntity batch) {
@@ -523,6 +569,7 @@ public class EmpSalaryService extends BaseService<EmpSalaryEntity, EmpSalaryRepo
                             .collect(Collectors.joining(",")));
         }
     }
+
     @Autowired EmpSalaryMapper empSalaryMapper;
 
     private static @NotNull GroovyClassLoader initClassLoader(GroovyClassLoader groovyClassLoader) {
@@ -549,10 +596,6 @@ public class EmpSalaryService extends BaseService<EmpSalaryEntity, EmpSalaryRepo
     /**
      * 构建计算上下文
      *
-     * @param batch
-     * @param employee
-     * @param attendance
-     * @param salary
      * @return
      */
     public Map<String, Object> buildCtx(
@@ -618,19 +661,14 @@ public class EmpSalaryService extends BaseService<EmpSalaryEntity, EmpSalaryRepo
         log.info("删除工资数据 {} 条", cnt);
     }
 
-
-    public void sendToAudit(IdRequest request){
-
+    public void sendToAudit(IdRequest request) {
 
         EmpSalaryBatchEntity batch = this.batchService.get(request.getId());
 
-        if (!StringUtils.equalsAny(batch.getBatchStatus(), "1")){
+        if (!StringUtils.equalsAny(batch.getBatchStatus(), "1")) {
             throw new BizException("批次状态不正确");
         }
 
         batch.setBatchStatus("2");
-
-
-
     }
 }