diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/support/normalizing/batch/BatchScoreCalculator.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/support/normalizing/batch/BatchScoreCalculator.java
index 47be178b7a..754e2cf7bc 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/support/normalizing/batch/BatchScoreCalculator.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/support/normalizing/batch/BatchScoreCalculator.java
@@ -80,13 +80,19 @@ public class BatchScoreCalculator {
                                 .multiply(
                                         (maxScoreValue.subtract(minScoreValue).divide(new BigDecimal(Math.PI / 2), 10, RoundingMode.HALF_UP)))
                                 .add(minScoreValue).setScale(6, RoundingMode.HALF_UP);
-                        //
-                        if (scoreCalculator.getCorrelation().getCode().equals(Correlation.NEGATIVE)) {
-                            normalizeValue = maxScoreValue.subtract(normalizeValue);
-                        }
+
+
                     } else {
                         normalizeValue = scoreCalculator.normalize(getFinalSampleValue(vo.getSampleValue(), threshold));
                     }
+                    //如果是负相关 则用100-归一后的值为最大值减
+                    if (Correlation.NEGATIVE.getCode().equals(scoreCalculator.getCorrelation().getCode())) {
+                        normalizeValue = maxScoreValue.subtract(normalizeValue);
+                    }
+                }
+                //如果归一后的值小于0 则置为0
+                if (normalizeValue.compareTo(NumConstant.ZERO_DECIMAL)<=-1){
+                    normalizeValue = NumConstant.ZERO_DECIMAL;
                 }
                 BigDecimal score = normalizeValue.multiply(weight).setScale(6, RoundingMode.HALF_UP);
                 CalculateResult result = scoreCountOfSamples.get(sampleId);
diff --git a/epmet-module/data-statistical/data-statistical-server/src/test/java/com/epmet/stats/test/normalizing/MathUtilTest.java b/epmet-module/data-statistical/data-statistical-server/src/test/java/com/epmet/stats/test/normalizing/MathUtilTest.java
index 408f837691..9d0178385a 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/test/java/com/epmet/stats/test/normalizing/MathUtilTest.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/test/java/com/epmet/stats/test/normalizing/MathUtilTest.java
@@ -5,7 +5,7 @@ import java.math.RoundingMode;
 
 public class MathUtilTest {
     public static void main(String[] args) {
-        //值 域：(-π/2,π/2)  ->(60,100)
+        //值 域：[-π/2,π/2]  ->[60,100]
         double tan = Math.atan(4);
         double tan2 = Math.atan(1);
         double tan3 = Math.atan(8);