diff --git a/bms-back/bms-system/src/main/java/com/bms/price/service/impl/TmsPriceQuoteServiceImpl.java b/bms-back/bms-system/src/main/java/com/bms/price/service/impl/TmsPriceQuoteServiceImpl.java
index c3220204..08afe8e7 100644
--- a/bms-back/bms-system/src/main/java/com/bms/price/service/impl/TmsPriceQuoteServiceImpl.java
+++ b/bms-back/bms-system/src/main/java/com/bms/price/service/impl/TmsPriceQuoteServiceImpl.java
@@ -544,6 +544,12 @@ public class TmsPriceQuoteServiceImpl implements ITmsPriceQuoteService
                     productCode, productName, discWeight, bizDate);
                 if (hit != null)
                 {
+                    // Calc-only snap: do not persist raised min-band weight as charge_weight.
+                    if (discWeight != null && weight != null && discWeight.compareTo(weight) != 0)
+                    {
+                        hit.setWeight(weight);
+                        hit.setChargeWeight(weight);
+                    }
                     stampRequestMeta(request, hit);
                     return hit;
                 }
@@ -1027,7 +1033,11 @@ public class TmsPriceQuoteServiceImpl implements ITmsPriceQuoteService
         String msg = MessageUtils.message("price.quote.hitCustomerFixedPackageDetail") + " [" + verLabel + "]";
         if (snappedToMinBand)
         {
-            msg = msg + "; chargeWeight raised to min band " + billWeight.toPlainString();
+            // Calc-only snap: keep original weight/chargeWeight for persist so upstream re-sync
+            // can replace them when the new weight is already in-band.
+            r.setWeight(weight);
+            r.setChargeWeight(weight);
+            msg = msg + "; billed at min band " + billWeight.toPlainString() + " (persist original weight)";
         }
         r.setMatchMessage(msg);
         r.setCustomerId(bind.getCustomerId());