1、提交作业添加限制；

2、服务指标；

mec-biz/src/main/java/com/ym/mec/biz/service/StudentServeService.java

@@ -0,0 +1,18 @@
+package com.ym.mec.biz.service;
+
+/**
+ * @Author Joburgess
+ * @Date 2020.05.27
+ */
+public interface StudentServeService {
+
+    /**
+     * @describe 学生服务信息统计
+     * @author Joburgess
+     * @date 2020/4/10
+     * @param :
+     * @return void
+     */
+    void exercisesSituationStatistics();
+
+}

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentServeServiceImpl.java

@@ -0,0 +1,17 @@
+package com.ym.mec.biz.service.impl;
+
+import com.ym.mec.biz.service.StudentServeService;
+import org.springframework.stereotype.Service;
+
+/**
+ * @Author Joburgess
+ * @Date 2020.05.27
+ */
+@Service
+public class StudentServeServiceImpl implements StudentServeService {
+
+    @Override
+    public void exercisesSituationStatistics() {
+
+    }
+}