diff --git a/jeecg-module-main/src/main/java/org/jeecg/modules/kc/qa/mapper/xml/KcEvaluationMapper.xml b/jeecg-module-main/src/main/java/org/jeecg/modules/kc/qa/mapper/xml/KcEvaluationMapper.xml
index 3da51243..1f849f95 100644
--- a/jeecg-module-main/src/main/java/org/jeecg/modules/kc/qa/mapper/xml/KcEvaluationMapper.xml
+++ b/jeecg-module-main/src/main/java/org/jeecg/modules/kc/qa/mapper/xml/KcEvaluationMapper.xml
@@ -32,14 +32,14 @@
             and (ev.upuserid like concat('%',#{kcEvaluation.username},'%') or ev.upuser like concat('%',#{kcEvaluation.username},'%'))
         </if>
         GROUP BY ev.upuserid, ev.upuser, cu.college
-        ) tk,
+        ) tk left join
         ( SELECT usercode, username, GROUP_CONCAT( assess1 SEPARATOR ',' ) tksf1, GROUP_CONCAT( assess2 SEPARATOR ',' ) tksf2, max( tkyq ) tkyq
         FROM kc_assessuser WHERE 1 = 1
         <if test="kcEvaluation.tksf != null and kcEvaluation.tksf != ''">
             AND assesscode = #{kcEvaluation.tksf}
         </if>
         GROUP BY usercode, username ) au
-        WHERE tk.upuserid = au.usercode
+        on tk.upuserid = au.usercode
         ORDER BY sjtksl DESC
     </select>