diff --git a/zhyc-module/src/main/java/com/zhyc/module/base/mapper/BasSheepMapper.java b/zhyc-module/src/main/java/com/zhyc/module/base/mapper/BasSheepMapper.java
index 1b16800..4baaf89 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/base/mapper/BasSheepMapper.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/base/mapper/BasSheepMapper.java
@@ -78,4 +78,6 @@ public interface BasSheepMapper
     //用于校验改耳号部分新管理/电子耳号
     int existsByManageTag(@Param("tag") String tag);
     int existsByElectronicTag(@Param("tag") String tag);
+
+
 }
diff --git a/zhyc-module/src/main/java/com/zhyc/module/produce/manage_sheep/service/impl/ScAddSheepServiceImpl.java b/zhyc-module/src/main/java/com/zhyc/module/produce/manage_sheep/service/impl/ScAddSheepServiceImpl.java
index 278490e..b6ed6b4 100644
--- a/zhyc-module/src/main/java/com/zhyc/module/produce/manage_sheep/service/impl/ScAddSheepServiceImpl.java
+++ b/zhyc-module/src/main/java/com/zhyc/module/produce/manage_sheep/service/impl/ScAddSheepServiceImpl.java
@@ -36,9 +36,9 @@ public class ScAddSheepServiceImpl implements IScAddSheepService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean insertScAddSheep(ScAddSheep scAddSheep) {
-        ScAddSheep exist = scAddSheepMapper.selectByEarNumber(scAddSheep.getEarNumber());
-        if (exist != null) {
-            throw new ServiceException("添加失败，耳号重复");
+        BasSheep existSheep =basSheepService.selectBasSheepByManageTags(scAddSheep.getEarNumber().trim());
+        if (existSheep != null) {
+            throw new ServiceException("添加失败，耳号已存在");
         }
 
         boolean ok = scAddSheepMapper.insert(scAddSheep) > 0;
@@ -101,6 +101,7 @@ public class ScAddSheepServiceImpl implements IScAddSheepService {
         for (int i = 0; i < list.size(); i++) {
             ScAddSheep sheep = list.get(i);
             try {
+                // 处理品种名称转换为品种ID
                 if (StringUtils.isNotBlank(sheep.getVarietyName())) {
                     Long varietyId = basSheepVarietyMapper.selectIdByName(sheep.getVarietyName());
                     if (varietyId == null) {
@@ -121,6 +122,7 @@ public class ScAddSheepServiceImpl implements IScAddSheepService {
                     continue;
                 }
 
+                // 处理羊舍名称转换为羊舍ID
                 if (StringUtils.isNotBlank(sheep.getSheepfoldNameExcel())) {
                     DaSheepfold param = new DaSheepfold();
                     param.setSheepfoldName(sheep.getSheepfoldNameExcel());
@@ -137,6 +139,7 @@ public class ScAddSheepServiceImpl implements IScAddSheepService {
                     sheep.setSheepfold(foldList.get(0).getId().intValue());
                 }
 
+                // 校验耳号是否为空
                 if (StringUtils.isBlank(sheep.getEarNumber())) {
                     failure++;
                     failureMsg.append("<br/>第")
@@ -145,17 +148,19 @@ public class ScAddSheepServiceImpl implements IScAddSheepService {
                     continue;
                 }
 
-                ScAddSheep exist = scAddSheepMapper.selectByEarNumber(sheep.getEarNumber());
-                if (exist != null) {
+                // 核心校验：判断羊只基本信息表中是否存在未删除的同名耳号
+                BasSheep existSheep = basSheepService.selectBasSheepByManageTags(sheep.getEarNumber().trim());
+                if (existSheep != null) {
                     failure++;
                     failureMsg.append("<br/>第")
                             .append(i + 1)
-                            .append("行：耳号已存在【")
+                            .append("行：耳号已存在且未删除【")
                             .append(sheep.getEarNumber())
                             .append("】");
                     continue;
                 }
 
+                // 执行导入（新增或更新）
                 if (updateSupport && sheep.getId() != null) {
                     sheep.setUpdateBy(operName);
                     updateScAddSheep(sheep);
diff --git a/zhyc-module/src/main/resources/mapper/base/BasSheepMapper.xml b/zhyc-module/src/main/resources/mapper/base/BasSheepMapper.xml
index c39e3a5..f42546a 100644
--- a/zhyc-module/src/main/resources/mapper/base/BasSheepMapper.xml
+++ b/zhyc-module/src/main/resources/mapper/base/BasSheepMapper.xml
@@ -128,7 +128,8 @@
             <if test="sourceDate != null ">and source_date = #{sourceDate}</if>
             <if test="sourceRanchId != null ">and source_ranch_id = #{sourceRanchId}</if>
             <if test="comment != null  and comment != ''">and comment = #{comment}</if>
-            <if test="isDelete != null ">and is_delete = #{isDelete}</if>
+            <if test="isDelete == null">and is_delete = 0</if>
+            <if test="isDelete != null">and is_delete = #{isDelete}</if>
         </where>
     </select>
 
@@ -151,20 +152,24 @@
                bv.variety AS varietyName
         FROM bas_sheep s
                  LEFT JOIN bas_sheep_variety bv ON s.variety_id = bv.id
-        WHERE s.manage_tags = #{manageTags} LIMIT 1
+        WHERE s.manage_tags = #{manageTags}
+          AND s.is_delete = 0 LIMIT 1
     </select>
 
     <select id="selectBasSheepBySheepfold" parameterType="BasSheep" resultMap="BasSheepResult">
         <include refid="selectBasSheepVo"/>
         <where>
             sheepfold_id = #{id}
+            and is_delete = 0
         </where>
     </select>
 
     <select id="getSheepByRanchId" resultMap="BasSheepResult">
-        SELECT *
-        FROM bas_sheep
-        WHERE ranch_id = #{ranchId}
+        <include refid="selectBasSheepVo"/>
+        <where>
+            ranch_id = #{ranchId}
+            and is_delete = 0
+        </where>
     </select>
 
     <select id="selectBasSheepListByIds" parameterType="list" resultMap="BasSheepResult">
@@ -320,10 +325,16 @@
     </delete>
 
     <select id="existsByManageTag" resultType="int">
-        SELECT COUNT(*) FROM bas_sheep WHERE manage_tags = #{tag} AND is_delete = 0
+        SELECT COUNT(*)
+        FROM bas_sheep
+        WHERE manage_tags = #{tag}
+          AND s.is_delete = 0
     </select>
 
     <select id="existsByElectronicTag" resultType="int">
-        SELECT COUNT(*) FROM bas_sheep WHERE electronic_tags = #{tag} AND is_delete = 0
+        SELECT COUNT(*)
+        FROM bas_sheep
+        WHERE electronic_tags = #{tag}
+          AND is_delete = 0
     </select>
 </mapper>
\ No newline at end of file