diff --git a/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java b/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
index 9be266c4..d7e39b2c 100644
--- a/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
+++ b/src/main/java/cn/lihongjie/coal/weightDeviceData/service/WeightDeviceDataService.java
@@ -513,11 +513,11 @@ where 二次过磅时间>='%s' and 二次过磅时间<='%s'
         String where = "where 1 = 1 ";
 
         if (request.getStartTime() != null) {
-            where += " and d.mz_time >= :startTime ";
+            where += " and d.ecgb_time >= :startTime ";
         }
 
         if (request.getEndTime() != null) {
-            where += " and d.mz_time <= :endTime ";
+            where += " and d.ecgb_time <= :endTime ";
         }
 
         if (StringUtils.isNotEmpty(request.getPlateNo())) {
@@ -578,7 +578,7 @@ where 二次过磅时间>='%s' and 二次过磅时间<='%s'
         var sql =
                 "select DATE_TRUNC('"
                         + request.getTimeDimension()
-                        + "', d.mz_time) as time,\n"
+                        + "', d.ecgb_time) as time,\n"
                         + groupSql
                         + ",\n"
                         + fieldSql
@@ -590,7 +590,7 @@ where 二次过磅时间>='%s' and 二次过磅时间<='%s'
                         + "\n"
                         + "group by DATE_TRUNC('"
                         + request.getTimeDimension()
-                        + "', d.mz_time), "
+                        + "', d.ecgb_time), "
                         + groupSql
                         + "\n"
                         + "order by time desc ";