diff --git a/src/main/java/com/whdc/zhdbaqapi/service/impl/DeviceDataServiceImpl.java b/src/main/java/com/whdc/zhdbaqapi/service/impl/DeviceDataServiceImpl.java
index 27766de..9bed68b 100644
--- a/src/main/java/com/whdc/zhdbaqapi/service/impl/DeviceDataServiceImpl.java
+++ b/src/main/java/com/whdc/zhdbaqapi/service/impl/DeviceDataServiceImpl.java
@@ -155,7 +155,7 @@ public class DeviceDataServiceImpl extends ServiceImpl<DeviceDataMapper, DeviceD
 //                        dd.setPipeZ(decimal.multiply(BigDecimal.valueOf(o_z_modulus)));
                         //加“渗压计到孔底距离”，浮点（三位小数）同步数据时计算出的管水位加上这个数值
                         // 2022-10-08 lyf
-                        dd.setPipeZ(decimal.multiply(BigDecimal.valueOf(o_z_modulus)).multiply(BigDecimal.valueOf(di.getDistFromOsmosisMeterToBottom())));
+                        dd.setPipeZ(decimal.multiply(BigDecimal.valueOf(o_z_modulus)).add(BigDecimal.valueOf(di.getDistFromOsmosisMeterToBottom())));
                     }
 
                     if (super.save(dd)) {