diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/gatewayimpl/TeacherCertificateGatewayImpl.java b/web-infrastructure/src/main/java/com/zcloud/edu/gatewayimpl/TeacherCertificateGatewayImpl.java
index 08e6c30..6a2279e 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/gatewayimpl/TeacherCertificateGatewayImpl.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/gatewayimpl/TeacherCertificateGatewayImpl.java
@@ -29,7 +29,7 @@ public class TeacherCertificateGatewayImpl implements TeacherCertificateGateway
     public Boolean add(TeacherCertificateE teacherCertificateE) {
         TeacherCertificateDO d = new TeacherCertificateDO();
         BeanUtils.copyProperties(teacherCertificateE, d);
-        if(StringUtils.isNotEmpty(d.getTeacherCertificateId())){
+        if(StringUtils.isEmpty(d.getTeacherCertificateId())){
             d.setTeacherCertificateId(UuidUtil.get32UUID());
         }
         if(d.getCorpinfoId() == null){
diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/TeacherMapper.java b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/TeacherMapper.java
index 26bcb50..d1aee2a 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/TeacherMapper.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/TeacherMapper.java
@@ -8,6 +8,7 @@ import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * web-infrastructure
@@ -18,7 +19,7 @@ import java.util.List;
 @Mapper
 public interface TeacherMapper extends BaseMapper<TeacherDO> {
 
-    IPage<TeacherDO> getTeacherPage(IPage<TeacherDO> page, @Param("ew") QueryWrapper<TeacherDO> queryWrapper);
+    IPage<TeacherDO> getTeacherPage(IPage<TeacherDO> page, Map<String, Object> params);
 
     List<TeacherDO> getTeacherList(@Param("ew") QueryWrapper<TeacherDO> queryWrapper);
 
diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/TeacherRepositoryImpl.java b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/TeacherRepositoryImpl.java
index 08aa5df..972cb3e 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/TeacherRepositoryImpl.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/TeacherRepositoryImpl.java
@@ -40,21 +40,25 @@ public class TeacherRepositoryImpl extends BaseRepositoryImpl<TeacherMapper, Tea
             }
         }
         IPage<TeacherDO> iPage = new Query<TeacherDO>().getPage(params);
-        QueryWrapper<TeacherDO> queryWrapper = new QueryWrapper<>();
-        queryWrapper = PageQueryHelper.createPageQueryWrapper(queryWrapper, params, "a.");
-        queryWrapper.eq("a.delete_enum", "FALSE");
-        if(StringUtils.isNotEmpty((String) params.get("qualificationType"))){
-            queryWrapper.in("b.qualification_type", params.get("qualificationType").toString());
-        }
-        queryWrapper.groupBy("a.teacher_id")
-                .groupBy("a.id")
-                .groupBy("a.user_id")
-                .groupBy("a.corpinfo_id")
-                .groupBy("a.teacher_name")
-                .groupBy("a.state")
-                .groupBy("a.create_time");
-        queryWrapper.orderByDesc("a.create_time");
-        IPage<TeacherDO> result = teacherMapper.getTeacherPage(iPage, queryWrapper);
+//        QueryWrapper<TeacherDO> queryWrapper = new QueryWrapper<>();
+//        queryWrapper = PageQueryHelper.createPageQueryWrapper(queryWrapper, params, "a.");
+//        queryWrapper.eq("a.delete_enum", "FALSE");
+////        if(StringUtils.isNotEmpty((String) params.get("qualificationType"))){
+////            queryWrapper.in("b.qualification_type", params.get("qualificationType").toString());
+////        }
+//        String qualificationType = "";
+//        if(params.get("qualificationType") != null){
+//            qualificationType = params.get("qualificationType").toString();
+//        }
+//        queryWrapper.groupBy("a.teacher_id")
+//                .groupBy("a.id")
+//                .groupBy("a.user_id")
+//                .groupBy("a.corpinfo_id")
+//                .groupBy("a.teacher_name")
+//                .groupBy("a.state")
+//                .groupBy("a.create_time");
+//        queryWrapper.orderByDesc("a.create_time");
+        IPage<TeacherDO> result = teacherMapper.getTeacherPage(iPage, params);
         return PageHelper.pageToResponse(result, result.getRecords());
     }
 
diff --git a/web-infrastructure/src/main/resources/mapper/TeacherMapper.xml b/web-infrastructure/src/main/resources/mapper/TeacherMapper.xml
index f0308a1..664e5c3 100644
--- a/web-infrastructure/src/main/resources/mapper/TeacherMapper.xml
+++ b/web-infrastructure/src/main/resources/mapper/TeacherMapper.xml
@@ -5,14 +5,35 @@
 <mapper namespace="com.zcloud.edu.persistence.mapper.TeacherMapper">
 
     <select id="getTeacherPage" resultType="com.zcloud.edu.persistence.dataobject.TeacherDO">
-        select
-            a.id,a.teacher_id,a.user_id,a.corpinfo_id,a.teacher_name,a.`state`,a.create_time,
-        c.corp_name as corpinfoName,
-        GROUP_CONCAT(b.qualification_type_name SEPARATOR ',') AS qualificationTypeNames
-        from teacher a
-        left join teacher_certificate b on a.teacher_id = b.teacher_id and b.delete_enum = 'FALSE'
-        left join corp_info c on a.corpinfo_id = c.id
-        ${ew.customSqlSegment}
+        SELECT a.id,
+               a.teacher_id,
+               a.user_id,
+               a.corpinfo_id,
+               a.teacher_name,
+               a.`state`,
+               a.create_time,
+               c.corp_name AS corpinfoName,
+               GROUP_CONCAT(b.qualification_type_name SEPARATOR ',') AS qualificationTypeNames
+        FROM teacher a
+                 LEFT JOIN teacher_certificate b ON a.teacher_id = b.teacher_id AND b.delete_enum = 'FALSE'
+                 LEFT JOIN corp_info c ON a.corpinfo_id = c.id
+        WHERE a.delete_enum = 'FALSE'
+            <if test="params.eqCorpinfoId != null">
+                AND a.corpinfo_id = #{params.eqCorpinfoId}
+            </if>
+          AND EXISTS (  -- 关键：确保教师有符合条件的证书
+            SELECT 1 FROM teacher_certificate b2
+            WHERE b2.teacher_id = a.teacher_id
+              AND b2.delete_enum = 'FALSE'
+        <if test="params.qualificationType != null and params.qualificationType != ''">
+            AND b2.qualification_type IN
+            <foreach collection="params.qualificationType.split(',')" item="type" open="(" separator="," close=")">
+                #{type}
+            </foreach>
+        </if>
+        )
+        GROUP BY a.teacher_id, a.id, a.user_id, a.corpinfo_id, a.teacher_name, a.state, a.create_time
+        ORDER BY a.create_time DESC
     </select>
 
     <select id="getTeacherList" resultType="com.zcloud.edu.persistence.dataobject.TeacherDO">
@@ -24,6 +45,7 @@
         left join teacher_certificate b on a.teacher_id = b.teacher_id and b.delete_enum = 'FALSE'
         left join corp_info c on a.corpinfo_id = c.id
         ${ew.customSqlSegment}
+
     </select>
 
 </mapper>