修复历史成绩查看bug

blockchain-server/blockchain-server-yyyf/src/main/java/com/blockchain/server/yyyf/service/impl/AssessUserServiceImpl.java

@@ -289,7 +289,8 @@ public class AssessUserServiceImpl implements AssessUserService {
         Example example = new Example(AssessUser.class);
         Example.Criteria criteria = example.createCriteria();
         criteria.andCondition("issue_id = ", issueId)
-                .andCondition("user_id = ", userId);
+                .andCondition("user_id = ", userId)
+                .andCondition("end_time is not null ");
         return this.assessUserMapper.selectByExample(example);
     }