diff --git a/ruoyi-system/src/main/resources/mapper/system/TRecordMapper.xml b/ruoyi-system/src/main/resources/mapper/system/TRecordMapper.xml
index 112311c..2863bbb 100644
--- a/ruoyi-system/src/main/resources/mapper/system/TRecordMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/TRecordMapper.xml
@@ -206,7 +206,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                 </foreach>
             </if>
             <if test="sex !=null and sex !=''">and tp.sex = #{sex} </if>
-            <if test="identifier !=null and identifier != null">and tp.identifier like concat('%', #{identifier}, '%')</if>
+            <if test="identifier !=null and identifier != ''">and tp.identifier like concat('%', #{identifier}, '%')</if>
             <if test="delFlag == null">
                 and td.del_flag = '0' and tp.del_flag = '0'
             </if>