diff --git a/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WaveFileComponent.java b/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WaveFileComponent.java
index ada6c1390..012bf350e 100644
--- a/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WaveFileComponent.java
+++ b/pqs-common/common-event/src/main/java/com/njcn/event/file/component/WaveFileComponent.java
@@ -432,7 +432,7 @@ public class WaveFileComponent {
                 rateDTO.setNOneSample(result);
                 // 总点数 //这里的strTemp是一个偏移量
                 rateDTO.setNSampleNum((Integer.parseInt(strTempArray[1]) - nOffset));
-                nOffset = rateDTO.getNSampleNum();
+                nOffset += rateDTO.getNSampleNum();
                 lstRate.add(rateDTO);
             }
             comtradeCfgDTO.setLstRate(lstRate);