diff --git a/newstock-system/src/main/java/com/ruoyi/newstocksystem/domain/TStockHighLowStatus.java b/newstock-system/src/main/java/com/ruoyi/newstocksystem/domain/TStockHighLowStatus.java
index ec6dc79..e850389 100644
--- a/newstock-system/src/main/java/com/ruoyi/newstocksystem/domain/TStockHighLowStatus.java
+++ b/newstock-system/src/main/java/com/ruoyi/newstocksystem/domain/TStockHighLowStatus.java
@@ -30,20 +30,10 @@ public class TStockHighLowStatus extends BaseEntity
     @Excel(name = "近期创阶段新高", readConverterExp = "1=是,0=否")
     private Integer isNewHigh;
 
-    /** 区间最高价日（创新高时填充） */
-    @JsonFormat(pattern = "yyyy-MM-dd")
-    @Excel(name = "区间最高价日", dateFormat = "yyyy-MM-dd")
-    private Date newHighDate;
-
     /** 是否创阶段新低（1=是，0=否） */
     @Excel(name = "近期创阶段新低", readConverterExp = "1=是,0=否")
     private Integer isNewLow;
 
-    /** 区间最低价日（创新低时填充） */
-    @JsonFormat(pattern = "yyyy-MM-dd")
-    @Excel(name = "区间最低价日", dateFormat = "yyyy-MM-dd")
-    private Date newLowDate;
-
     /** 证券名称（查询时关联获取） */
     private String stockName;
 
@@ -83,16 +73,6 @@ public class TStockHighLowStatus extends BaseEntity
         this.isNewHigh = isNewHigh;
     }
 
-    public Date getNewHighDate()
-    {
-        return newHighDate;
-    }
-
-    public void setNewHighDate(Date newHighDate)
-    {
-        this.newHighDate = newHighDate;
-    }
-
     public Integer getIsNewLow()
     {
         return isNewLow;
@@ -103,16 +83,6 @@ public class TStockHighLowStatus extends BaseEntity
         this.isNewLow = isNewLow;
     }
 
-    public Date getNewLowDate()
-    {
-        return newLowDate;
-    }
-
-    public void setNewLowDate(Date newLowDate)
-    {
-        this.newLowDate = newLowDate;
-    }
-
     public String getStockName()
     {
         return stockName;
@@ -150,9 +120,7 @@ public class TStockHighLowStatus extends BaseEntity
                 "stockCode='" + stockCode + '\'' +
                 ", tradeDate=" + tradeDate +
                 ", isNewHigh=" + isNewHigh +
-                ", newHighDate=" + newHighDate +
                 ", isNewLow=" + isNewLow +
-                ", newLowDate=" + newLowDate +
                 '}';
     }
 }
diff --git a/newstock-system/src/main/resources/mapper/newstocksystem/StockHighLowStatusMapper.xml b/newstock-system/src/main/resources/mapper/newstocksystem/StockHighLowStatusMapper.xml
index daba656..3b2e03b 100644
--- a/newstock-system/src/main/resources/mapper/newstocksystem/StockHighLowStatusMapper.xml
+++ b/newstock-system/src/main/resources/mapper/newstocksystem/StockHighLowStatusMapper.xml
@@ -7,9 +7,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="stockCode" column="stock_code" />
         <result property="tradeDate" column="trade_date" />
         <result property="isNewHigh" column="is_new_high" />
-        <result property="newHighDate" column="new_high_date" />
         <result property="isNewLow" column="is_new_low" />
-        <result property="newLowDate" column="new_low_date" />
         <result property="createTime" column="create_time" />
     </resultMap>
 
@@ -20,13 +18,20 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
 
     <sql id="selectStockHighLowStatusVo">
-        select stock_code, trade_date, is_new_high, new_high_date, is_new_low, new_low_date, create_time 
+        select stock_code, trade_date, is_new_high, is_new_low, create_time 
         from t_stock_high_low_status
     </sql>
 
     <sql id="selectStockHighLowStatusWithBasicVo">
-        select h.stock_code, h.trade_date, h.is_new_high, h.new_high_date, h.is_new_low, h.new_low_date, h.create_time,
-               b.stock_name, b.industry_index_code, b.industry_index_name 
+        select 
+               h.stock_code,
+               h.trade_date,
+               h.is_new_high,
+               h.is_new_low,
+               h.create_time,
+               b.stock_name,
+               b.industry_index_code,
+               b.industry_index_name 
         from t_stock_high_low_status h
         left join t_stock_basic b on h.stock_code = b.stock_code
     </sql>
@@ -126,18 +131,14 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="stockCode != null and stockCode != ''">stock_code,</if>
             <if test="tradeDate != null">trade_date,</if>
             <if test="isNewHigh != null">is_new_high,</if>
-            <if test="newHighDate != null">new_high_date,</if>
             <if test="isNewLow != null">is_new_low,</if>
-            <if test="newLowDate != null">new_low_date,</if>
             create_time,
         </trim>
         <trim prefix="values (" suffix=")" suffixOverrides=",">
             <if test="stockCode != null and stockCode != ''">#{stockCode},</if>
             <if test="tradeDate != null">#{tradeDate},</if>
             <if test="isNewHigh != null">#{isNewHigh},</if>
-            <if test="newHighDate != null">#{newHighDate},</if>
             <if test="isNewLow != null">#{isNewLow},</if>
-            <if test="newLowDate != null">#{newLowDate},</if>
             NOW(),
         </trim>
     </insert>
@@ -146,9 +147,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update t_stock_high_low_status
         <trim prefix="set" suffixOverrides=",">
             <if test="isNewHigh != null">is_new_high = #{isNewHigh},</if>
-            <if test="newHighDate != null">new_high_date = #{newHighDate},</if>
             <if test="isNewLow != null">is_new_low = #{isNewLow},</if>
-            <if test="newLowDate != null">new_low_date = #{newLowDate},</if>
         </trim>
         where stock_code = #{stockCode} and trade_date = #{tradeDate}
     </update>
@@ -158,23 +157,21 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </delete>
 
     <insert id="batchInsertStockHighLowStatus" parameterType="java.util.List">
-        insert into t_stock_high_low_status(stock_code, trade_date, is_new_high, new_high_date, is_new_low, new_low_date, create_time)
+        insert into t_stock_high_low_status(stock_code, trade_date, is_new_high, is_new_low, create_time)
         values
         <foreach collection="list" item="item" separator=",">
-            (#{item.stockCode}, #{item.tradeDate}, #{item.isNewHigh}, #{item.newHighDate}, #{item.isNewLow}, #{item.newLowDate}, NOW())
+            (#{item.stockCode}, #{item.tradeDate}, #{item.isNewHigh}, #{item.isNewLow}, NOW())
         </foreach>
     </insert>
 
     <insert id="batchUpsertStockHighLowStatus" parameterType="java.util.List">
-        insert into t_stock_high_low_status(stock_code, trade_date, is_new_high, new_high_date, is_new_low, new_low_date, create_time)
+        insert into t_stock_high_low_status(stock_code, trade_date, is_new_high, is_new_low, create_time)
         values
         <foreach collection="list" item="item" separator=",">
-            (#{item.stockCode}, #{item.tradeDate}, #{item.isNewHigh}, #{item.newHighDate}, #{item.isNewLow}, #{item.newLowDate}, NOW())
+            (#{item.stockCode}, #{item.tradeDate}, #{item.isNewHigh}, #{item.isNewLow}, NOW())
         </foreach>
         ON DUPLICATE KEY UPDATE
             is_new_high = VALUES(is_new_high),
-            new_high_date = VALUES(new_high_date),
-            is_new_low = VALUES(is_new_low),
-            new_low_date = VALUES(new_low_date)
+            is_new_low = VALUES(is_new_low)
     </insert>
 </mapper>
diff --git a/sql_refacor0120/remove_new_high_low_date_fields.sql b/sql_refacor0120/remove_new_high_low_date_fields.sql
new file mode 100644
index 0000000..44f7140
--- /dev/null
+++ b/sql_refacor0120/remove_new_high_low_date_fields.sql
@@ -0,0 +1,9 @@
+-- 移除个股新高新低状态表中的冗余日期字段
+-- 根据业务需求，新高新低的实际日期可以通过tradeDate和isNewHigh/isNewLow字段组合确定
+
+ALTER TABLE `t_stock_high_low_status` 
+DROP COLUMN `new_high_date`,
+DROP COLUMN `new_low_date`;
+
+-- 更新表注释
+ALTER TABLE `t_stock_high_low_status` COMMENT = 'A股个股300天新高新低状态（new_high_date和new_low_date字段已移除，实际日期由tradeDate和isNewHigh/isNewLow字段组合确定）';
\ No newline at end of file
diff --git a/sql_refacor0120/t_stock_high_low_status.sql b/sql_refacor0120/t_stock_high_low_status.sql
index dda7f5c..4336d19 100644
--- a/sql_refacor0120/t_stock_high_low_status.sql
+++ b/sql_refacor0120/t_stock_high_low_status.sql
@@ -3,9 +3,7 @@ CREATE TABLE `t_stock_high_low_status` (
   `stock_code` VARCHAR(20) NOT NULL COMMENT '证券代码（关联t_stock_basic）',
   `trade_date` DATE NOT NULL COMMENT '交易日期',
   `is_new_high` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否创阶段新高（1=是，0=否）',
-  `new_high_date` DATE NULL COMMENT '区间最高价日（创新高时填充）',
   `is_new_low` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否创阶段新低（1=是，0=否）',
-  `new_low_date` DATE NULL COMMENT '区间最低价日（创新低时填充）',
   `create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '数据创建时间',
   -- 复合主键：确保“个股代码+日期”唯一
   PRIMARY KEY (`stock_code`, `trade_date`),