diff --git a/pqs-advance/advance-api/src/main/java/com/njcn/advance/pojo/dto/waveAnalysis/AnalyWave.java b/pqs-advance/advance-api/src/main/java/com/njcn/advance/pojo/dto/waveAnalysis/AnalyWave.java
index 8f4b1ae9f..6675bfdac 100644
--- a/pqs-advance/advance-api/src/main/java/com/njcn/advance/pojo/dto/waveAnalysis/AnalyWave.java
+++ b/pqs-advance/advance-api/src/main/java/com/njcn/advance/pojo/dto/waveAnalysis/AnalyWave.java
@@ -264,7 +264,7 @@ public class AnalyWave {
                                 break;
                             case 1:// 总点数 //这里的strTemp是一个偏移量
                                 OneRate.nSampleNum = (long) (Float.parseFloat(strTempArray[j]) - nOffset);
-                                nOffset = OneRate.nSampleNum;
+                                nOffset += OneRate.nSampleNum;
                                 break;
                         }
                     }