diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/mapper/xml/ExperimentMapper.xml b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/mapper/xml/ExperimentMapper.xml
index 2b5372d..249345c 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/mapper/xml/ExperimentMapper.xml
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/mapper/xml/ExperimentMapper.xml
@@ -71,10 +71,7 @@
                 </foreach>
             </if>
 
-
         </where>
-        <if test="loginUser.postText != null and loginUser.postText != ''">
-            order by ${loginUser.postText}
-        </if>
+        order by e.experiment_no desc
     </select>
 </mapper>
\ No newline at end of file