diff --git a/softwareDirectory/AutoVerScheme/checkwindow.cpp b/softwareDirectory/AutoVerScheme/checkwindow.cpp
index 6a89af5..c723884 100644
--- a/softwareDirectory/AutoVerScheme/checkwindow.cpp
+++ b/softwareDirectory/AutoVerScheme/checkwindow.cpp
@@ -1995,19 +1995,18 @@
                 ui->tableWidgetCheck->setItem(i,idx,new QTableWidgetItem(newdStdValue));
             }
             if((i+1)%3==0){
-                double dMin=0,dMax=0;
-                for(int k=i-2;k<i;k++){
+                int idx2=getIndexByHeader(sLabel,QStrTranQStrList("调压器输出值"));
+                double dMin=0,dMax=0,dMid=0;
+                QList<QStringList> outList;
+                for(int k=i-2;k<=i;k++){
                     QStringList item = dataRes[k];
-                    if(item[idx]!=""){
-                        if(k==i-2){
-                            dMin = dMax = item[idx].toDouble();
-                        }else{
-                            dMin = qMin(dMin,item[idx].toDouble());
-                            dMax = qMax(dMax,item[idx].toDouble());
-                        }
-                    }
+                    outList.append(item);
                 }
-
+                std::sort(outList.begin(),outList.end(),[idx2](const QStringList &outA,const QStringList &outB){return outA[idx2].toDouble()<outB[idx2].toDouble();});
+                dMid = outList[1][idx2].toDouble();
+                dMax = outList[2][idx].toDouble();
+                dMin = outList[0][idx].toDouble();
+                outList.clear();
                 idx= getIndexByHeader(sLabel,QStrTranQStrList("被检电源输出电压最大差值"));
                 if(idx!=-1)
                 {
@@ -2015,12 +2014,9 @@
                     newdError=TranDecimals(sLabel,dataRes[i],dError);
                     dataRes[i][idx] = newdError;
                     ui->tableWidgetCheck->setItem(i,idx,new QTableWidgetItem(newdError));
-
-                    int idx2=getIndexByHeader(sLabel,QStrTranQStrList("调压器输出值"));
-                    double dTmp = dataRes[i][idx2].toDouble();
                     idx= getIndexByHeader(sLabel,QStrTranQStrList("电源电压调整率"));
                     if(idx!=-1){
-                        dError = dError/dTmp;
+                        dError = dError/dMid;
                         newdError=TranDecimals(sLabel,dataRes[i],dError)+"%";
                         dataRes[i][idx] = newdError;
                         ui->tableWidgetCheck->setItem(i,idx,new QTableWidgetItem(newdError));