diff --git a/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java b/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
index 725726fc..685ca47a 100644
--- a/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
+++ b/detection/src/main/java/com/njcn/gather/detection/service/impl/DetectionServiceImpl.java
@@ -1145,15 +1145,15 @@ public class DetectionServiceImpl {
         if (devData - channelData != 0) {
             switch (errorValueType) {
                 case 2:
-                    //下发的谐波电压幅值，返回的是谐波电压含有率，拿（含有率值*基波 - 源下发对应谐波值幅值）/下发的幅值
+                    //下发的谐波电压幅值，返回的是谐波电压含有率，拿（含有率值*基波 - 源下发对应谐波值幅值）/下发的幅值  注：相对值-1型。
                     return BigDecimal.valueOf(devData - channelData)
                             .divide(BigDecimal.valueOf(channelData), 4, RoundingMode.HALF_UP);
                 case 3:
-                    //下发的谐波电压幅值，返回的是谐波电压含有率，拿（含有率值*基波 - 源下发对应谐波值幅值）/装置返回值
+                    //下发的谐波电压幅值，返回的是谐波电压含有率，拿（含有率值*基波 - 源下发对应谐波值幅值）/装置返回值  注：相对值-2型。
                     return BigDecimal.valueOf(devData - channelData)
                             .divide(BigDecimal.valueOf(devData), 4, RoundingMode.HALF_UP);
             }
-            return BigDecimal.valueOf(devData - channelData);
+            return BigDecimal.valueOf(devData).subtract(BigDecimal.valueOf(channelData));
         }
         return BigDecimal.valueOf(0);
     }
diff --git a/detection/src/main/java/com/njcn/gather/result/pojo/vo/RawDataExcel.java b/detection/src/main/java/com/njcn/gather/result/pojo/vo/RawDataExcel.java
index 86251ba9..f7b00eba 100644
--- a/detection/src/main/java/com/njcn/gather/result/pojo/vo/RawDataExcel.java
+++ b/detection/src/main/java/com/njcn/gather/result/pojo/vo/RawDataExcel.java
@@ -1,7 +1,6 @@
 package com.njcn.gather.result.pojo.vo;
 
 import cn.afterturn.easypoi.excel.annotation.Excel;
-import com.njcn.gather.device.pojo.vo.PqDevExcel;
 import lombok.Data;
 import lombok.EqualsAndHashCode;