diff --git a/virtual-patient-model/src/main/java/com/supervision/model/ConfigDrug.java b/virtual-patient-model/src/main/java/com/supervision/model/ConfigDrug.java
index f0469d04..5c1ccad9 100644
--- a/virtual-patient-model/src/main/java/com/supervision/model/ConfigDrug.java
+++ b/virtual-patient-model/src/main/java/com/supervision/model/ConfigDrug.java
@@ -5,6 +5,7 @@ import com.baomidou.mybatisplus.annotation.FieldStrategy;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableName;
 import java.io.Serializable;
+import java.math.BigDecimal;
 import java.time.LocalDateTime;
 
 import io.swagger.annotations.ApiModelProperty;
@@ -43,7 +44,7 @@ public class ConfigDrug implements Serializable {
     /**
      * 剂量
      */
-    private Long dose;
+    private BigDecimal dose;
 
     /**
      * 单位
diff --git a/virtual-patient-model/src/main/resources/mapper/ConfigDrugMapper.xml b/virtual-patient-model/src/main/resources/mapper/ConfigDrugMapper.xml
index ff0f723c..b1317c79 100644
--- a/virtual-patient-model/src/main/resources/mapper/ConfigDrugMapper.xml
+++ b/virtual-patient-model/src/main/resources/mapper/ConfigDrugMapper.xml
@@ -10,7 +10,7 @@
             <result property="drugNameEn" column="drug_name_en" jdbcType="VARCHAR"/>
             <result property="firstMeasuresId" column="first_measures_id" jdbcType="VARCHAR"/>
             <result property="specification" column="specification" jdbcType="VARCHAR"/>
-            <result property="dose" column="dose" jdbcType="BIGINT"/>
+            <result property="dose" column="dose" jdbcType="DECIMAL"/>
             <result property="unit" column="unit" jdbcType="VARCHAR"/>
             <result property="intervalDay" column="interval_day" jdbcType="INTEGER"/>
             <result property="intervalHour" column="interval_hour" jdbcType="DOUBLE"/>
diff --git a/virtual-patient-web/src/main/resources/sqlScript/todo.sql b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
index 3d32fb8d..4d49e8e3 100644
--- a/virtual-patient-web/src/main/resources/sqlScript/todo.sql
+++ b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
@@ -4,6 +4,8 @@ alter table vp_user
 
 alter table vp_config_drug
     add interval_hour varchar(64) null comment '用药间隔(小时)' after interval_day;
+alter table vp_config_drug
+    modify dose decimal null comment '剂量';
 
 alter table vp_disease_ancillary
     modify result text null comment '结果';