fix

server-db/src/main/java/cn/exploring/engine/server/db/dao/SpecialSqlMapper.java

@@ -251,7 +251,7 @@ public interface SpecialSqlMapper {
             " LEFT JOIN (SELECT id, class_name FROM class_info WHERE deleted = FALSE ) t2 ON t1.class_id = t2.id  "+
             "</script>"
     )
-    Map<String, String> selectPointCount(@Param("studentName") String studentName, @Param("studentUniqueId") String studentUniqueId,
+    Map selectPointCount(@Param("studentName") String studentName, @Param("studentUniqueId") String studentUniqueId,
                           @Param("classId") Integer classId, @Param("startTime") String startTime, @Param("endTime") String endTime);