diff --git a/pom.xml b/pom.xml
index 934e132..e29df33 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.irrigation</groupId>
     <artifactId>common-lib</artifactId>
-    <version>2.0.5</version>
+    <version>2.0.6</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/com/irrigation/icl/utils/DoubleValueUtils.java b/src/main/java/com/irrigation/icl/utils/DoubleValueUtils.java
index 0676e57..86f7735 100644
--- a/src/main/java/com/irrigation/icl/utils/DoubleValueUtils.java
+++ b/src/main/java/com/irrigation/icl/utils/DoubleValueUtils.java
@@ -2,7 +2,9 @@ package com.irrigation.icl.utils;
 
 import com.irrigation.icl.exception.ContextRuntimeException;
 
+import javax.annotation.Nonnull;
 import java.math.BigDecimal;
+import java.util.Objects;
 import java.util.Optional;
 
 /**
@@ -17,11 +19,23 @@ public final class DoubleValueUtils {
      */
     private final static int SCALE = 4;
 
+
+    /**
+     * Double 0.0
+     */
+    public final static Double DOUBLE_ZERO = Double.valueOf(0.0d);
+
+    /**
+     * double 0.0
+     */
+    public final static double ZERO = 0.0d;
+
+
     private DoubleValueUtils() {
     }
 
     /**
-     * 计算两个浮点数之和
+     * 计算两个浮点数之和s
      *
      * @param value    加数
      * @param addValue 被加数
@@ -29,8 +43,8 @@ public final class DoubleValueUtils {
      * @Author: yangLang
      */
     public static double doubleAdd(Double value, Double addValue) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        addValue = Optional.ofNullable(addValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        addValue = Optional.ofNullable(addValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).add(new BigDecimal(addValue.toString()))
                 .setScale(SCALE, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -46,8 +60,8 @@ public final class DoubleValueUtils {
      * @Author: yangLang
      */
     public static double doubleAdd(Double value, Double addValue, int scale) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        addValue = Optional.ofNullable(addValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        addValue = Optional.ofNullable(addValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).add(new BigDecimal(addValue.toString()))
                 .setScale(scale, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -59,11 +73,11 @@ public final class DoubleValueUtils {
      * @param value    减数
      * @param subValue 被减数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
     public static double doubleSub(Double value, Double subValue) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        subValue = Optional.ofNullable(subValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        subValue = Optional.ofNullable(subValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).subtract(new BigDecimal(subValue.toString()))
                 .setScale(SCALE, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -76,11 +90,11 @@ public final class DoubleValueUtils {
      * @param subValue 被减数
      * @param scale    保留位数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
     public static double doubleSub(Double value, Double subValue, int scale) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        subValue = Optional.ofNullable(subValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        subValue = Optional.ofNullable(subValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).subtract(new BigDecimal(subValue.toString()))
                 .setScale(scale, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -92,11 +106,11 @@ public final class DoubleValueUtils {
      * @param value    乘数
      * @param mutValue 被乘数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
     public static double doubleMulti(Double value, Double mutValue) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        mutValue = Optional.ofNullable(mutValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        mutValue = Optional.ofNullable(mutValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).multiply(new BigDecimal(mutValue.toString()))
                 .setScale(SCALE, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -109,11 +123,11 @@ public final class DoubleValueUtils {
      * @param mutValue 被乘数
      * @param scale    保留位数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
     public static double doubleMulti(Double value, Double mutValue, int scale) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        mutValue = Optional.ofNullable(mutValue).orElse(0.0);
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        mutValue = Optional.ofNullable(mutValue).orElse(DOUBLE_ZERO);
         return new BigDecimal(value.toString()).multiply(new BigDecimal(mutValue.toString()))
                 .setScale(scale, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -125,11 +139,11 @@ public final class DoubleValueUtils {
      * @param value    除数
      * @param divValue 被除数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
-    public static double doubleDiv(Double value, Double divValue) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        divValue = getDivValue(divValue);
+    public static double doubleDiv(Double value, @Nonnull Double divValue) {
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        validateDivValue(divValue);
         return new BigDecimal(value.toString()).divide(new BigDecimal(divValue.toString()))
                 .setScale(SCALE, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
@@ -142,19 +156,26 @@ public final class DoubleValueUtils {
      * @param divValue 被除数
      * @param scale    保留位数
      * @return 返回结果四舍五入，保留4位小数
-     * @Author: yangLang
+     * @author: yangLang
      */
-    public static double doubleDiv(Double value, Double divValue, int scale) {
-        value = Optional.ofNullable(value).orElse(0.0);
-        divValue = getDivValue(divValue);
+    public static double doubleDiv(Double value, @Nonnull Double divValue, int scale) {
+        value = Optional.ofNullable(value).orElse(DOUBLE_ZERO);
+        validateDivValue(divValue);
         return new BigDecimal(value.toString()).divide(new BigDecimal(divValue.toString()))
                 .setScale(scale, BigDecimal.ROUND_HALF_UP)
                 .doubleValue();
     }
 
-    private static Double getDivValue(Double divValue) {
-        divValue = Optional.ofNullable(divValue).orElse(0.0);
-        if (ObjectUtils.equals(divValue, 0)) {
+    /**
+     * 检查除数是否为0
+     *
+     * @param divValue
+     * @return
+     * @author: yangLang
+     */
+    private static Double validateDivValue(@Nonnull Double divValue) {
+        Objects.requireNonNull(divValue, "被除数不能为空");
+        if (ZERO == divValue.doubleValue()) {
             throw new ContextRuntimeException("被除数不能为0");
         }
         return divValue;