diff --git a/src/main/resources/mapper/app/ResultRecordMapper.xml b/src/main/resources/mapper/app/ResultRecordMapper.xml
index 32890682..247ff636 100644
--- a/src/main/resources/mapper/app/ResultRecordMapper.xml
+++ b/src/main/resources/mapper/app/ResultRecordMapper.xml
@@ -379,7 +379,7 @@
     </select>
 
     <select id="countNumByScoreLevel" resultType="com.lz.modules.performance.res.ChartStatistical">
-        SELECT count(1) num,score_level,case score_level is null WHEN true THEN '无等级' ELSE score_level END as 'desc' from lz_result_record where is_delete=0
+        SELECT count(1) num,case score_level is null WHEN true THEN '' ELSE score_level END score_level,case score_level is null WHEN true THEN '无等级' ELSE score_level END 'desc' from lz_result_record where is_delete=0
         and start_id =#{startId}
         <if test="evaluationIds !=null and evaluationIds.size()!=0">
             and evaluation_id in (
@@ -412,7 +412,12 @@
             )
         </if>
         <if test="scoreLevel !=null">
-            and r.score_level = #{scoreLevel}
+            <if test="scoreLevel == ''">
+                and r.score_level is null
+            </if>
+            <if test="scoreLevel != ''">
+                and r.score_level = #{scoreLevel}
+            </if>
         </if>
         ORDER BY all_score desc
     </select>