diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementPageReqVO.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementPageReqVO.java
index a93ea20..73d4caf 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementPageReqVO.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementPageReqVO.java
@@ -25,6 +25,9 @@ public class ElementPageReqVO extends PageParam {
     @Schema(description = "品位单位")
     private String gradeUnit;
 
+    @Schema(description = "小数位数")
+    private Long decimalValue;
+
     @Schema(description = "创建时间")
     @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
     private LocalDateTime[] createTime;
diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementRespVO.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementRespVO.java
index 9f7c0fe..f58b14e 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementRespVO.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementRespVO.java
@@ -28,6 +28,10 @@ public class ElementRespVO {
     @ExcelProperty("金属元素编码")
     private String coding;
 
+    @Schema(description = "小数位数", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("小数位数")
+    private Long decimalValue;
+
     @Schema(description = "品位单位", requiredMode = Schema.RequiredMode.REQUIRED)
     @ExcelProperty("品位单位")
     private String gradeUnit;
diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementSaveReqVO.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementSaveReqVO.java
index eafee0c..6c93229 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementSaveReqVO.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/controller/admin/base/vo/ElementSaveReqVO.java
@@ -1,5 +1,6 @@
 package com.zt.plat.module.base.controller.admin.base.vo;
 
+import com.alibaba.excel.annotation.ExcelProperty;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotEmpty;
 import lombok.Data;
@@ -23,6 +24,10 @@ public class ElementSaveReqVO {
 //    @NotEmpty(message = "金属元素编码不能为空")
     private String coding;
 
+    @Schema(description = "小数位数")
+    @NotEmpty(message = "小数位数不能为空")
+    private Long decimalValue;
+
     @Schema(description = "品位单位", requiredMode = Schema.RequiredMode.REQUIRED)
     @NotEmpty(message = "品位单位不能为空")
     private String gradeUnit;
diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/dataobject/base/ElementDO.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/dataobject/base/ElementDO.java
index 39c3250..ba2870d 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/dataobject/base/ElementDO.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/dataobject/base/ElementDO.java
@@ -44,6 +44,11 @@ public class ElementDO extends BusinessBaseDO {
     @TableField("CDG")
     private String coding;
     /**
+    * 小数位数
+    */
+    @TableField("DEC")
+    private Long decimalValue;
+    /**
     * 品位单位
     */
     @TableField("GRD_UNT")
diff --git a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/ElementMapper.java b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/ElementMapper.java
index 665280c..24b5a91 100644
--- a/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/ElementMapper.java
+++ b/zt-module-base/zt-module-base-server/src/main/java/com/zt/plat/module/base/dal/mysql/base/ElementMapper.java
@@ -19,6 +19,7 @@ public interface ElementMapper extends BaseMapperX<ElementDO> {
         return selectPage(reqVO, new LambdaQueryWrapperX<ElementDO>()
                 .eqIfPresent(ElementDO::getAbbreviation, reqVO.getAbbreviation())
                 .likeIfPresent(ElementDO::getName, reqVO.getName())
+                .eqIfPresent(ElementDO::getDecimalValue, reqVO.getDecimalValue())
                 .eqIfPresent(ElementDO::getCoding, reqVO.getCoding())
                 .eqIfPresent(ElementDO::getGradeUnit, reqVO.getGradeUnit())
                 .betweenIfPresent(ElementDO::getCreateTime, reqVO.getCreateTime())