diff --git a/casic-metering-model/src/main/java/com/casic/missiles/strategy/impl/DcPowerStrategyType.java b/casic-metering-model/src/main/java/com/casic/missiles/strategy/impl/DcPowerStrategyType.java
index b348149..3807fa9 100644
--- a/casic-metering-model/src/main/java/com/casic/missiles/strategy/impl/DcPowerStrategyType.java
+++ b/casic-metering-model/src/main/java/com/casic/missiles/strategy/impl/DcPowerStrategyType.java
@@ -20,7 +20,7 @@
         public void appendAsterisksIfNeeded(BizBusinessDeviceMeasureDataDcPower dcPower) {
             if (StringUtils.isNotBlank(dcPower.getVoltageRegulation()) && StringUtils.isNotBlank(dcPower.getTechnicalIndex()) && !"/".equals(dcPower.getVoltageRegulation()) && !"/".equals(dcPower.getTechnicalIndex())) {
                 int digit = dcPower.getTechnicalIndexDigit();
-                BigDecimal voltageRegulation = new BigDecimal(dcPower.getVoltageRegulation()).setScale(digit + 1);
+                BigDecimal voltageRegulation = new BigDecimal(dcPower.getVoltageRegulation()).setScale(digit);
                 BigDecimal technicalIndex = new BigDecimal(dcPower.getTechnicalIndex());
                 if ("≤".equals(dcPower.getTechnicalIndexSymbol())) {
                     int compare = voltageRegulation.compareTo(technicalIndex);
@@ -50,7 +50,7 @@
         public void appendAsterisksIfNeeded(BizBusinessDeviceMeasureDataDcPower dcPower) {
             if (StringUtils.isNotBlank(dcPower.getTechnicalIndex()) && StringUtils.isNotBlank(dcPower.getLoadRegulation()) && !"/".equals(dcPower.getTechnicalIndex()) && !"/".equals(dcPower.getLoadRegulation())) {
                 int digit = dcPower.getTechnicalIndexDigit();
-                BigDecimal loadRegulation = new BigDecimal(dcPower.getLoadRegulation()).setScale(digit + 1);
+                BigDecimal loadRegulation = new BigDecimal(dcPower.getLoadRegulation()).setScale(digit);
                 BigDecimal technicalIndex = new BigDecimal(dcPower.getTechnicalIndex());
                 int compare = loadRegulation.compareTo(technicalIndex);
                 dcPower.setTechnicalIndex(dcPower.getTechnicalIndexSymbol() + dcPower.getTechnicalIndex() + "%");