修改： SigerCalculation/RadomForestSAC/RamdomForestCalculate.cpp

	修改：     SigerCalculation/package/E3/SigerCalculation

SigerCalculation/RadomForestSAC/RamdomForestCalculate.cpp

@@ -196,7 +196,6 @@ RamdomForestCalculate::RamdomForestCalculate(QObject *parent)
     CreatTable();
 
     //3.训练初始模型
-    delete_sac_data();
     delete_excess_rf_models();
     Retrain();
 
@@ -542,6 +541,7 @@ void RamdomForestCalculate::Retrain()
     struct timeval start,end;
 
     gettimeofday(&start, NULL);
+    delete_sac_data();
     RamdomForestCalculate::queryRecordsByLabel(dbPath, record);
     DealRecord(record, result);
     m_rf_map.clear();