diff --git a/web-infrastructure/src/main/resources/mapper/study/ClassMapper.xml b/web-infrastructure/src/main/resources/mapper/study/ClassMapper.xml
index b1b4148..3d64472 100644
--- a/web-infrastructure/src/main/resources/mapper/study/ClassMapper.xml
+++ b/web-infrastructure/src/main/resources/mapper/study/ClassMapper.xml
@@ -256,6 +256,9 @@
                     and c.state = 2 and c.end_time <= now()
                 </if>
             </if>
+            <if test="params.neState != null">
+                and c.state != #{params.neState}
+            </if>
         </where>
         order by
         c.state,