diff --git a/op-modules/op-quality/src/main/java/com/op/quality/service/impl/QcProCheckServiceImpl.java b/op-modules/op-quality/src/main/java/com/op/quality/service/impl/QcProCheckServiceImpl.java
index b61035380..a307a0f86 100644
--- a/op-modules/op-quality/src/main/java/com/op/quality/service/impl/QcProCheckServiceImpl.java
+++ b/op-modules/op-quality/src/main/java/com/op/quality/service/impl/QcProCheckServiceImpl.java
@@ -208,12 +208,13 @@ public class QcProCheckServiceImpl implements QcProCheckService {
                     if (StringUtils.isNotBlank(qcd.getSamplingPlan())){
                         if ((StringUtils.isEmpty(qcd.getSampleQuality()) || "0".equals(qcd.getSampleQuality()))){
                             String letter = GB2828Sampler.getSampleSizeLetter(qcd.getQuality().setScale(0, RoundingMode.HALF_UP).intValue(), qcd.getSamplingPlan());
-                            int sampleSize = GB2828Sampler.getSampleSize(letter);
-                            qcd.setSampleQuality(String.valueOf(sampleSize));
                             char eighthChar = dto.getMaterialCode().charAt(7);
                             if(eighthChar == '1' &&StringUtils.isNotEmpty(String.valueOf(dto.getUmrez()))){
-                                qcd.setSampleQuality(String.valueOf(sampleSize*dto.getUmrez()));
+                                BigDecimal result2 = qcd.getQuality().multiply(new BigDecimal(dto.getUmrez()));
+                                letter = GB2828Sampler.getSampleSizeLetter(result2.setScale(0, RoundingMode.HALF_UP).intValue(), qcd.getSamplingPlan());
                             }
+                            int sampleSize = GB2828Sampler.getSampleSize(letter);
+                            qcd.setSampleQuality(String.valueOf(sampleSize));
                         }
                     }
                 }
@@ -270,12 +271,13 @@ public class QcProCheckServiceImpl implements QcProCheckService {
                     if (StringUtils.isNotBlank(qcd.getSamplingPlan())){
                         if ((StringUtils.isEmpty(qcd.getSampleQuality()) || "0".equals(qcd.getSampleQuality()))){
                             String letter = GB2828Sampler.getSampleSizeLetter(qcd.getQuality().setScale(0, RoundingMode.HALF_UP).intValue(), qcd.getSamplingPlan());
-                            int sampleSize = GB2828Sampler.getSampleSize(letter);
-                            qcd.setSampleQuality(String.valueOf(sampleSize));
                             char eighthChar = dto.getMaterialCode().charAt(7);
                             if(eighthChar == '1' &&StringUtils.isNotEmpty(String.valueOf(dto.getUmrez()))){
-                                qcd.setSampleQuality(String.valueOf(sampleSize*dto.getUmrez()));
+                                BigDecimal result2 = qcd.getQuality().multiply(new BigDecimal(dto.getUmrez()));
+                                letter = GB2828Sampler.getSampleSizeLetter(result2.setScale(0, RoundingMode.HALF_UP).intValue(), qcd.getSamplingPlan());
                             }
+                            int sampleSize = GB2828Sampler.getSampleSize(letter);
+                            qcd.setSampleQuality(String.valueOf(sampleSize));
                         }
                     }
                 }