diff --git a/src/main/java/com/example/demo/controller/RateController.java b/src/main/java/com/example/demo/controller/RateController.java
index ae9f408..165f247 100644
--- a/src/main/java/com/example/demo/controller/RateController.java
+++ b/src/main/java/com/example/demo/controller/RateController.java
@@ -50,6 +50,11 @@ public class RateController {
         }
     }
 
+    @PostMapping("/searchOne")
+    public Result searchOne(@RequestBody Rate rate) {
+        return Result.success(rateService.searchOne(rate));
+    }
+
     @PostMapping("/search") // 改为 POST 请求
     public Result search(@RequestBody Page page) {
         Integer pageNum = page.getPageNum();
diff --git a/src/main/java/com/example/demo/serviceImpl/RateServiceImpl.java b/src/main/java/com/example/demo/serviceImpl/RateServiceImpl.java
index 0e34e7b..636085e 100644
--- a/src/main/java/com/example/demo/serviceImpl/RateServiceImpl.java
+++ b/src/main/java/com/example/demo/serviceImpl/RateServiceImpl.java
@@ -39,12 +39,12 @@ public class RateServiceImpl implements RateService {
         }
         rateMapper.deleteById(oldRate.getRateId());
 
-        //如果字段被修改，显示修改后的内容，没有被修改的字段保持原来的值
-        if(rate.getStartTime() ==null) rate.setStartTime(oldRate.getStartTime());
-        if(rate.getEndTime() ==null) rate.setEndTime(oldRate.getEndTime());
-        if(rate.getCurrency() ==null) rate.setCurrency(oldRate.getCurrency());
-        if(rate.getAdminId() ==null) rate.setAdminId(oldRate.getAdminId());
-        if(rate.getExchangeRate() ==null) rate.setExchangeRate(oldRate.getExchangeRate());
+//        //如果字段被修改，显示修改后的内容，没有被修改的字段保持原来的值
+//        if(rate.getStartTime() ==null) rate.setStartTime(oldRate.getStartTime());
+//        if(rate.getEndTime() ==null) rate.setEndTime(oldRate.getEndTime());
+//        if(rate.getCurrency() ==null) rate.setCurrency(oldRate.getCurrency());
+//        if(rate.getAdminId() ==null) rate.setAdminId(oldRate.getAdminId());
+//        if(rate.getExchangeRate() ==null) rate.setExchangeRate(oldRate.getExchangeRate());
 
         //插入新纪录
         rate.setRateId(null);
@@ -67,6 +67,12 @@ public class RateServiceImpl implements RateService {
         return rateMapper.selectById(rateId);
     }
 
+    @Override
+    public List<Rate> searchOne(Rate rate) {
+        return rateMapper.select(rate);
+    }
+
+
     @Cacheable(key="#root.method.name")
     @Override
     public List<Rate> search(Rate rate) {
diff --git a/src/main/java/com/example/demo/sevice/RateService.java b/src/main/java/com/example/demo/sevice/RateService.java
index cefe5b3..1ae4041 100644
--- a/src/main/java/com/example/demo/sevice/RateService.java
+++ b/src/main/java/com/example/demo/sevice/RateService.java
@@ -12,6 +12,7 @@ public interface RateService {
 
     void softDelete(Integer rateId) throws Exception;
     Rate getById(Integer rateId);
+    List<Rate> searchOne(Rate rate);
     List<Rate> search(Rate rate);
     PageInfo<Rate> searchForPage(Integer pageNum, Integer pageSize, Rate rate);
 }