diff --git a/zhyc-module/src/main/java/com/zhyc/module/sale/controller/SxSheepSaleController.java b/zhyc-module/src/main/java/com/zhyc/module/sale/controller/SxSheepSaleController.java
index 7f93c77..75558c4 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/sale/controller/SxSheepSaleController.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/sale/controller/SxSheepSaleController.java
@@ -134,15 +134,30 @@ public class SxSheepSaleController extends BaseController {
     }
 
     /**
-     * 【新增】搜索耳号（模糊查询）
+     * 【修改】搜索耳号（模糊查询，支持羊舍过滤）
      */
     @GetMapping("/searchEarNumbers")
-    public AjaxResult searchEarNumbers(@RequestParam("query") String query) {
+    public AjaxResult searchEarNumbers(
+            @RequestParam(value = "query", required = false) String query,
+            @RequestParam(value = "sheepfoldId", required = false) Long sheepfoldId) {
         try {
-            List<String> earNumbers = sxSheepSaleService.searchEarNumbers(query);
+            List<String> earNumbers = sxSheepSaleService.searchEarNumbers(query, sheepfoldId);
             return success(earNumbers);
         } catch (Exception e) {
             return error("搜索耳号失败：" + e.getMessage());
         }
     }
+
+    /**
+     * 【新增】专门用于顶部查询条件：搜索列表中已销售的羊只耳号
+     */
+    @GetMapping("/searchSoldEarNumbers")
+    public AjaxResult searchSoldEarNumbers(@RequestParam(value = "query", required = false) String query) {
+        try {
+            List<String> earNumbers = sxSheepSaleService.searchSoldEarNumbers(query);
+            return success(earNumbers);
+        } catch (Exception e) {
+            return error("搜索已销售耳号失败：" + e.getMessage());
+        }
+    }
 }
\ No newline at end of file
diff --git a/zhyc-module/src/main/java/com/zhyc/module/sale/domain/SxSheepSale.java b/zhyc-module/src/main/java/com/zhyc/module/sale/domain/SxSheepSale.java
index e3e0908..2bff24e 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/sale/domain/SxSheepSale.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/sale/domain/SxSheepSale.java
@@ -192,6 +192,15 @@ public class SxSheepSale extends BaseEntity {
     /** 【新增】非数据库字段：用于前端展示和选择羊舍后传递多个耳号 */
     private List<String> bsManageTagsList;
 
+    /** 【新增】非数据库字段：用于导出指定的记录ID集合 */
+    private List<Long> exportIds;
+
+    /** * 【修复】在子类中重新声明 remark 字段，并打上 @Excel 注解
+     * 解决 @Excel 不能作用于方法的问题，使得导出时能成功抓取备注列
+     */
+    @Excel(name = "备注")
+    private String remark;
+
     public void setId(Long id) {
         this.id = id;
     }
@@ -552,6 +561,27 @@ public class SxSheepSale extends BaseEntity {
         this.customerArea = customerArea;
     }
 
+    public List<Long> getExportIds() {
+        return exportIds;
+    }
+
+    public void setExportIds(List<Long> exportIds) {
+        this.exportIds = exportIds;
+    }
+
+    /**
+     * 【修复】重写 get/set 方法，指向子类自身的 remark 字段
+     */
+    @Override
+    public String getRemark() {
+        return remark;
+    }
+
+    @Override
+    public void setRemark(String remark) {
+        this.remark = remark;
+    }
+
     @Override
     public String toString() {
         return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
@@ -600,6 +630,8 @@ public class SxSheepSale extends BaseEntity {
                 .append("createdByName", getCreatedByName())
                 .append("sheepfoldName", getSheepfoldName())
                 .append("currentWeight", getCurrentWeight())
+                .append("exportIds", getExportIds())
+                .append("bsManageTagsList", getBsManageTagsList())
                 .toString();
     }
 }
\ No newline at end of file
diff --git a/zhyc-module/src/main/java/com/zhyc/module/sale/mapper/SxSheepSaleMapper.java b/zhyc-module/src/main/java/com/zhyc/module/sale/mapper/SxSheepSaleMapper.java
index a619358..206502c 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/sale/mapper/SxSheepSaleMapper.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/sale/mapper/SxSheepSaleMapper.java
@@ -74,10 +74,16 @@ public interface SxSheepSaleMapper {
     public List<String> selectSheepTagsBySheepfoldId(Long sheepfoldId);
 
     /**
-     * 【新增】模糊查询羊只耳号列表（用于前端搜索补全）
+     * 【修改】模糊查询羊只耳号列表（支持传入羊舍ID过滤）
      * @param query 查询关键字
+     * @param sheepfoldId 羊舍ID（可为空）
      * @return 耳号列表
      */
-    public List<String> searchEarNumbers(@Param("query") String query);
+    public List<String> searchEarNumbers(@Param("query") String query, @Param("sheepfoldId") Long sheepfoldId);
 
+
+    /**
+     * 【新增】查询已销售的原始耳号数据（含逗号分隔的字符串）
+     */
+    public List<String> selectSoldEarNumbers(@Param("query") String query);
 }
\ No newline at end of file
diff --git a/zhyc-module/src/main/java/com/zhyc/module/sale/service/ISxSheepSaleService.java b/zhyc-module/src/main/java/com/zhyc/module/sale/service/ISxSheepSaleService.java
index 7d647e0..1c0b1d0 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/sale/service/ISxSheepSaleService.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/sale/service/ISxSheepSaleService.java
@@ -70,10 +70,16 @@ public interface ISxSheepSaleService {
      */
     public List<String> selectSheepTagsBySheepfoldId(Long sheepfoldId);
 
+
     /**
-     * 【新增】模糊查询羊只耳号列表
+     * 【修改】模糊查询羊只耳号列表
+     */
+    public List<String> searchEarNumbers(String query, Long sheepfoldId);
+
+    /**
+     * 【新增】查询已销售的单独耳号列表（拆分逗号并去重）
      * @param query 查询关键字
      * @return 耳号列表
      */
-    public List<String> searchEarNumbers(String query);
+    public List<String> searchSoldEarNumbers(String query);
 }
\ No newline at end of file
diff --git a/zhyc-module/src/main/java/com/zhyc/module/sale/service/impl/SxSheepSaleServiceImpl.java b/zhyc-module/src/main/java/com/zhyc/module/sale/service/impl/SxSheepSaleServiceImpl.java
index 97cfaae..14da098 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/sale/service/impl/SxSheepSaleServiceImpl.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/sale/service/impl/SxSheepSaleServiceImpl.java
@@ -1,6 +1,9 @@
 package com.zhyc.module.sale.service.impl;
 
 import java.util.List;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Collectors;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -9,6 +12,9 @@ import com.zhyc.common.annotation.DataScope;
 import com.zhyc.module.sale.mapper.SxSheepSaleMapper;
 import com.zhyc.module.sale.domain.SxSheepSale;
 import com.zhyc.module.sale.service.ISxSheepSaleService;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.beans.BeanUtils;
+import java.util.Arrays;
 
 /**
  * 羊只销售记录Service业务层处理
@@ -47,53 +53,93 @@ public class SxSheepSaleServiceImpl implements ISxSheepSaleService {
     }
 
     /**
-     * 新增羊只销售记录
-     *
-     * @param sxSheepSale 羊只销售记录
-     * @return 结果
+     * 新增羊只销售记录（支持多选耳号自动拆分为单条记录）
      */
     @Override
+    @Transactional(rollbackFor = Exception.class) // 增加事务注解，确保批量插入要么全成功，要么全失败
     public int insertSxSheepSale(SxSheepSale sxSheepSale) {
         // 1. 业务验证 (必填项校验、级联校验)
         validateSalesFields(sxSheepSale);
 
-        // 2. 自动计算逻辑 (价格、体重)
+        // 2. 获取标签列表
+        List<String> tags = sxSheepSale.getBsManageTagsList();
+        if (tags == null || tags.isEmpty()) {
+            if (sxSheepSale.getBsManageTags() != null && !sxSheepSale.getBsManageTags().isEmpty()) {
+                tags = Arrays.asList(sxSheepSale.getBsManageTags().split(","));
+            } else {
+                throw new RuntimeException("耳号不能为空！");
+            }
+        }
+
+        // 3. 先计算出这批羊的总价、均价、均重（基于前端传来的总数量和总重量）
+        // 这里的 calculateSalesFields 会自动根据 tags 的数量算出 avgWeight 和 avgPricePerSheep
         calculateSalesFields(sxSheepSale);
 
-        // 3. 设置默认事件类型
-        if (sxSheepSale.getEventType() == null) {
-            sxSheepSale.setEventType("销售");
+        int rows = 0;
+
+        // 4. 遍历每个耳号，拆分为独立的记录进行保存
+        for (String tag : tags) {
+            SxSheepSale singleRecord = new SxSheepSale();
+            // 复制前端传来的公共基础属性（如日期、客户信息、销售人员等）
+            BeanUtils.copyProperties(sxSheepSale, singleRecord);
+
+            // 防御性清空主键，防止 MyBatis 主键回填导致重复主键冲突
+            singleRecord.setId(null);
+
+            // 覆盖为单个耳号
+            singleRecord.setBsManageTags(tag);
+            // 清空列表，避免后续影响
+            singleRecord.setBsManageTagsList(null);
+
+            // 5. 调整单条记录的价格和重量字段，使其符合“单只羊”的逻辑
+            if ("按个体".equals(singleRecord.getPricingMethod())) {
+                // 按个体卖：单只羊的总价就是单价
+                singleRecord.setTotalPrice(singleRecord.getUnitPrice());
+                singleRecord.setAvgPricePerSheep(singleRecord.getUnitPrice());
+                singleRecord.setTotalWeight(null);
+                singleRecord.setAvgWeight(null);
+            } else if ("按体重".equals(singleRecord.getPricingMethod())) {
+                // 按体重卖：单只羊的重量设为这批羊的平均重量，单只羊的价格设为平均价格
+                singleRecord.setTotalWeight(sxSheepSale.getAvgWeight());
+                singleRecord.setAvgWeight(sxSheepSale.getAvgWeight());
+                singleRecord.setTotalPrice(sxSheepSale.getAvgPricePerSheep());
+                singleRecord.setAvgPricePerSheep(sxSheepSale.getAvgPricePerSheep());
+            }
+
+            // 6. 设置默认事件类型
+            if (singleRecord.getEventType() == null) {
+                singleRecord.setEventType("销售");
+            }
+
+            // 7. 插入数据库
+            rows += sxSheepSaleMapper.insertSxSheepSale(singleRecord);
         }
 
-        // 4. 处理耳号列表（多个耳号用逗号分隔）
-        if (sxSheepSale.getBsManageTagsList() != null && !sxSheepSale.getBsManageTagsList().isEmpty()) {
-            sxSheepSale.setBsManageTags(String.join(",", sxSheepSale.getBsManageTagsList()));
-        }
-
-        // 5. 调用Mapper插入数据
-        return sxSheepSaleMapper.insertSxSheepSale(sxSheepSale);
+        return rows;
     }
 
     /**
      * 修改羊只销售记录
-     *
-     * @param sxSheepSale 羊只销售记录
-     * @return 结果
      */
     @Override
     public int updateSxSheepSale(SxSheepSale sxSheepSale) {
         // 1. 业务验证
         validateSalesFields(sxSheepSale);
 
-        // 2. 自动计算逻辑
-        calculateSalesFields(sxSheepSale);
-
-        // 3. 处理耳号列表（多个耳号用逗号分隔）
-        if (sxSheepSale.getBsManageTagsList() != null && !sxSheepSale.getBsManageTagsList().isEmpty()) {
-            sxSheepSale.setBsManageTags(String.join(",", sxSheepSale.getBsManageTagsList()));
+        // 2. 限制修改时只能是单只羊
+        if (sxSheepSale.getBsManageTagsList() != null && sxSheepSale.getBsManageTagsList().size() > 1) {
+            throw new RuntimeException("修改单条记录时只能保留一个耳号。如需销售更多羊只，请使用新增功能！");
         }
 
-        // 4. 调用Mapper更新数据
+        // 3. 自动计算逻辑（此时只会按1只羊进行准确计算）
+        calculateSalesFields(sxSheepSale);
+
+        // 4. 处理耳号列表，确保保存的是单个字符串
+        if (sxSheepSale.getBsManageTagsList() != null && !sxSheepSale.getBsManageTagsList().isEmpty()) {
+            sxSheepSale.setBsManageTags(sxSheepSale.getBsManageTagsList().get(0));
+        }
+
+        // 5. 调用Mapper更新数据
         return sxSheepSaleMapper.updateSxSheepSale(sxSheepSale);
     }
 
@@ -136,10 +182,9 @@ public class SxSheepSaleServiceImpl implements ISxSheepSaleService {
      * 【新增】实现模糊查询耳号
      */
     @Override
-    public List<String> searchEarNumbers(String query) {
-        return sxSheepSaleMapper.searchEarNumbers(query);
+    public List<String> searchEarNumbers(String query, Long sheepfoldId) {
+        return sxSheepSaleMapper.searchEarNumbers(query, sheepfoldId);
     }
-
     /**
      * 自动计算总价、平均体重、平均单只价格
      */
@@ -226,4 +271,29 @@ public class SxSheepSaleServiceImpl implements ISxSheepSaleService {
             }
         }
     }
+
+    /**
+     * 【新增】实现查询已销售的耳号，并处理逗号分隔的问题
+     */
+    @Override
+    public List<String> searchSoldEarNumbers(String query) {
+        // 获取包含关键字的原始字符串（可能包含逗号）
+        List<String> rawTags = sxSheepSaleMapper.selectSoldEarNumbers(query);
+        Set<String> uniqueTags = new HashSet<>();
+
+        for (String raw : rawTags) {
+            if (raw != null && !raw.isEmpty()) {
+                String[] tags = raw.split(",");
+                for (String tag : tags) {
+                    // 再次进行精准包含判断（过滤掉连带查出的其他无辜耳号）
+                    if (query == null || query.isEmpty() || tag.contains(query)) {
+                        uniqueTags.add(tag);
+                    }
+                }
+            }
+        }
+
+        // 转为列表，按字母排序提升体验，限制返回最多50条
+        return uniqueTags.stream().sorted().limit(50).collect(Collectors.toList());
+    }
 }
\ No newline at end of file
diff --git a/zhyc-module/src/main/resources/mapper/sale/SxSheepSaleMapper.xml b/zhyc-module/src/main/resources/mapper/sale/SxSheepSaleMapper.xml
index b4c64a0..35f224d 100644
--- a/zhyc-module/src/main/resources/mapper/sale/SxSheepSaleMapper.xml
+++ b/zhyc-module/src/main/resources/mapper/sale/SxSheepSaleMapper.xml
@@ -76,12 +76,20 @@
         LEFT JOIN sys_user u_create ON s.created_by = u_create.user_id
         LEFT JOIN da_sheepfold sf ON s.sheepfold_id = sf.id
         <where>
-            <if test="bsManageTagsList != null and bsManageTagsList.size() > 0">
-                AND s.bs_manage_tags IN
-                <foreach collection="bsManageTagsList" item="tag" open="(" separator="," close=")">
-                    #{tag}
+            <if test="exportIds != null and exportIds.size() > 0">
+                AND s.id IN
+                <foreach collection="exportIds" item="exportId" open="(" separator="," close=")">
+                    #{exportId}
                 </foreach>
             </if>
+
+            <if test="bsManageTagsList != null and bsManageTagsList.size() > 0">
+                AND (
+                <foreach collection="bsManageTagsList" item="tag" separator=" OR ">
+                    FIND_IN_SET(#{tag}, s.bs_manage_tags)
+                </foreach>
+                )
+            </if>
             <if test="(bsManageTagsList == null or bsManageTagsList.size() == 0) and bsManageTags != null and bsManageTags != ''">
                 AND s.bs_manage_tags LIKE CONCAT('%', #{bsManageTags}, '%')
             </if>
@@ -166,9 +174,26 @@
     <select id="searchEarNumbers" resultType="java.lang.String">
         SELECT DISTINCT bs_manage_tags
         FROM sheep_file
-        WHERE bs_manage_tags LIKE CONCAT(#{query}, '%')
+        <where>
+            <if test="query != null and query != ''">
+                AND bs_manage_tags LIKE CONCAT('%', #{query}, '%')
+            </if>
+            <if test="sheepfoldId != null">
+                AND sheepfold_id = #{sheepfoldId}
+            </if>
+        </where>
         ORDER BY bs_manage_tags
-            LIMIT 50
+        LIMIT 50
+    </select>
+
+    <select id="selectSoldEarNumbers" resultType="java.lang.String">
+        SELECT DISTINCT bs_manage_tags
+        FROM sx_sheep_sale
+        <where>
+            <if test="query != null and query != ''">
+                bs_manage_tags LIKE CONCAT('%', #{query}, '%')
+            </if>
+        </where>
     </select>
 
     <insert id="insertSxSheepSale" parameterType="SxSheepSale" useGeneratedKeys="true" keyProperty="id">