diff --git a/ruoyi-ui/src/views/system/teacher/index.vue b/ruoyi-ui/src/views/system/teacher/index.vue
index 2233a7dc4..1c057b656 100644
--- a/ruoyi-ui/src/views/system/teacher/index.vue
+++ b/ruoyi-ui/src/views/system/teacher/index.vue
@@ -109,7 +109,7 @@
             icon="el-icon-delete"
             @click="handleDelete(scope.row)"
             v-hasPermi="['system:teacher:remove']"
-          >删除</el-button>
+          >清空</el-button>
         </template>
       </el-table-column>
     </el-table>
@@ -373,7 +373,7 @@ export default {
     handleDelete(row) {
       const ids = row.id || this.ids;
       this.$confirm(
-        '是否确认删除教师基本信息编号为"' + ids + '"的数据项?',
+        '是否确认清空教师基本信息编号为"' + ids + '"的数据项?',
         "警告",
         {
           confirmButtonText: "确定",
diff --git a/ruoyi/src/main/resources/mybatis/system/ByTeacherJbxxMapper.xml b/ruoyi/src/main/resources/mybatis/system/ByTeacherJbxxMapper.xml
index 2ea6e1252..07c9d6d64 100644
--- a/ruoyi/src/main/resources/mybatis/system/ByTeacherJbxxMapper.xml
+++ b/ruoyi/src/main/resources/mybatis/system/ByTeacherJbxxMapper.xml
@@ -122,15 +122,21 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where id = #{id}
     </update>
 
-    <delete id="deleteByTeacherJbxxById" parameterType="Long">
-        delete from by_teacher_jbxx where id = #{id}
-    </delete>
 
-    <delete id="deleteByTeacherJbxxByIds" parameterType="String">
-        delete from by_teacher_jbxx where id in 
+
+    <update id="deleteByTeacherJbxxById" parameterType="Long">
+        update by_teacher_jbxx
+        set zjhm=null, csrq=null, byyx=null, zy=null, xl=null, xw=null, cjgzrq=null, zgzs=null, createuserid=null
+        where id = #{id}
+    </update>
+
+    <update id="deleteByTeacherJbxxByIds" parameterType="String">
+        update by_teacher_jbxx
+        set zjhm=null, csrq=null, byyx=null, zy=null, xl=null, xw=null, cjgzrq=null, zgzs=null, createuserid=null
+        where id in
         <foreach item="id" collection="array" open="(" separator="," close=")">
             #{id}
         </foreach>
-    </delete>
+    </update>
     
 </mapper>
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