diff --git a/pom.xml b/pom.xml
index a96b610..2c86e01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -163,6 +163,17 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <!--这里写上main方法所在类的路径-->
+                <configuration>
+                    <mainClass>com.teaching.TeachingBackendApplication</mainClass>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
index 9809732..c262b18 100644
--- a/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
@@ -37,6 +37,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * <p>
@@ -172,15 +173,59 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
     }
 
     @Override
-    public int countHours(String id) {
-        return 0;
+    public List<CoursesVO> getPagePageSize(int page, int pageSize) {
+        int startIndex = (page-1) * pageSize;
+        List<Courses> list = coursesMapper.getItemsByPage(startIndex, pageSize);
+//        List<Courses> list = coursesMapper.selectList(null);
+        List<CoursesVO> coursesVo = BeanUtil.copyToList(list, CoursesVO.class);
+        coursesVo = coursesVo.stream().map((item) -> {
+
+            item.setTotalHours(countHours(item.getId()));
+            item.setTotalchapter(100);
+            item.setTotalKnow(100);
+//            if (StringUtils.isBlank(item.getName()) ||
+//                    StringUtils.isBlank(item.getDescription()) ){
+//                throw new BusinessException(ErrorCode.OPERATION_ERROR,"数据格式有问题，请修改");
+//            }
+            return item;
+        }).collect(Collectors.toList());
+        return coursesVo;
+
     }
 
     @Override
-    public List<CoursesVO> getPagePageSize(int page, int pageSize) {
-        return null;
-    }
+    public int countHours(String id) {
+        Courses courses = coursesMapper.selectById(id);
+
+        Integer classhours = 0;
+        Integer theoryhours = 0;
+        Integer practicehours = 0;
+        Integer experimenthours = 0;
+        Integer otherhours = 0;
+        if (courses.getClasshours() != null) {
+            classhours = courses.getClasshours();
+        }
+
+        if (courses.getTheoryhours() != null) {
+            theoryhours = courses.getTheoryhours();
+        }
 
+        if (courses.getPracticehours() != null) {
+            practicehours = courses.getPracticehours();
+        }
+
+        if (courses.getExperimenthours() != null) {
+            experimenthours = courses.getExperimenthours();
+        }
+
+        if (courses.getOtherhours() != null) {
+            otherhours = courses.getOtherhours();
+        }
+        int total = classhours + theoryhours + practicehours + experimenthours + otherhours;
+
+        return total;
+
+    }
     /**
      * 修改课程信息
      * @param coursesDTO
diff --git a/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
index 1350838..e27a638 100644
--- a/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
@@ -103,8 +103,8 @@ public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMappe
 
                     break;
                 case "1": //如果是课程学习记录
+                    System.out.println();
                     learningRecordsVo.setCoursesName(coursesService.getById(learningRecords.getCoursesId()).getName());
-                    System.out.println(coursesService.getById(learningRecords.getCoursesId()).getName());
                     break;
             }
                 //添加观看人数
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index d54f3eb..6446e08 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -8,7 +8,7 @@ spring:
       matching-strategy: ant_path_matcher
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://39.106.16.162:3306/teaching_db
+    url: jdbc:mysql://127.0.0.1:3306/teaching_db
     username: root
     password: root
 mybatis: