前端测试通过，部分接口没有数据，运行没问题了。

students/StudentsQuery.sql

@@ -14,14 +14,26 @@ select * from students limit 200;
 
 select * from scores limit 200;
 
+select * from address limit 200;
+
+select * from classes limit 200;
+
+select * from company limit 200;
+
+select * from employments limit 200;
+
+select * from teachers limit 200;
+
+select * from subject limit 200;
+
 desc students;
 
 
-select *
-from cast(student_manage_system as BINARY)
-where age >30
-join on
-group by
-having
-order by
-limit
+# select *
+# from cast(student_manage_system as BINARY)
+# where age >30
+# join on
+# group by
+# having
+# order by
+# limit