diff --git a/src/main/java/com/zhiyun/zhiyun03/application/service/impl/ApplicationServiceImpl.java b/src/main/java/com/zhiyun/zhiyun03/application/service/impl/ApplicationServiceImpl.java
index a1ab75b..b42bda6 100644
--- a/src/main/java/com/zhiyun/zhiyun03/application/service/impl/ApplicationServiceImpl.java
+++ b/src/main/java/com/zhiyun/zhiyun03/application/service/impl/ApplicationServiceImpl.java
@@ -36,9 +36,9 @@ public class ApplicationServiceImpl extends ServiceImpl<ApplicationMapper, Appli
      */
     @Override
     public Page<ApplicationVo> queryApplication(Integer page,Integer limit) {
-        Page page1=new Page();
-        page1.setCurrent(limit);
-        page1.setSize(page);
+        Page<Application> page1=new Page<>();
+        page1.setCurrent(page);
+        page1.setSize(limit);
         //查询应用中心
         QueryWrapper<Application> qwa=new QueryWrapper<>();
         Page<Application> applicationPage = applicationMapper.selectPage(page1,qwa);
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/ClientData.java b/src/main/java/com/zhiyun/zhiyun03/client/ClientData.java
new file mode 100644
index 0000000..e774019
--- /dev/null
+++ b/src/main/java/com/zhiyun/zhiyun03/client/ClientData.java
@@ -0,0 +1,16 @@
+package com.zhiyun.zhiyun03.client;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * 全局数据
+ */
+public class ClientData {
+    public static final int CLIENT_LEFT_PANEL_WIDTH=160;
+    public static final int CLIENT_LEFT_PANEL_HEIGHT=650;
+
+}
+
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/ClientPanel.java b/src/main/java/com/zhiyun/zhiyun03/client/ClientPanel.java
new file mode 100644
index 0000000..cc7534f
--- /dev/null
+++ b/src/main/java/com/zhiyun/zhiyun03/client/ClientPanel.java
@@ -0,0 +1,16 @@
+package com.zhiyun.zhiyun03.client;
+
+import javax.swing.*;
+import java.awt.*;
+
+/**
+ * 主面板
+ */
+public class ClientPanel extends JPanel {
+
+
+    public ClientPanel(){
+        super.setSize(1200,800);
+
+    }
+}
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/ClientRightPanel.java b/src/main/java/com/zhiyun/zhiyun03/client/ClientRightPanel.java
new file mode 100644
index 0000000..a3cc4e9
--- /dev/null
+++ b/src/main/java/com/zhiyun/zhiyun03/client/ClientRightPanel.java
@@ -0,0 +1,6 @@
+package com.zhiyun.zhiyun03.client;
+
+import javax.swing.*;
+
+public class ClientRightPanel extends JPanel {
+}
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/CourseLeftPanel.java b/src/main/java/com/zhiyun/zhiyun03/client/course/CourseLeftPanel.java
new file mode 100644
index 0000000..e0d197c
--- /dev/null
+++ b/src/main/java/com/zhiyun/zhiyun03/client/course/CourseLeftPanel.java
@@ -0,0 +1,44 @@
+package com.zhiyun.zhiyun03.client.course;
+
+import com.zhiyun.zhiyun03.application.entity.Directory;
+import com.zhiyun.zhiyun03.application.service.ApplicationService;
+import com.zhiyun.zhiyun03.application.service.impl.ApplicationServiceImpl;
+import com.zhiyun.zhiyun03.client.ClientData;
+import com.zhiyun.zhiyun03.course.mapper.CourseMapper;
+import com.zhiyun.zhiyun03.course.service.CourseService;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Controller;
+
+import javax.annotation.Resource;
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+public class CourseLeftPanel extends JPanel {
+
+    BufferedImage[] images=new BufferedImage[4];
+    public CourseLeftPanel(){
+        super.setSize(ClientData.CLIENT_LEFT_PANEL_WIDTH,ClientData.CLIENT_LEFT_PANEL_HEIGHT);
+        for (int i = 0; i < images.length; i++) {
+            try {
+                images[i]= ImageIO.read(new File("src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/"+i+".jpg"));
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+    public void paint(Graphics g){
+        for (int i = 0; i < images.length; i++) {
+            g.drawImage(images[i],43,80+i*35,images[i].getWidth(),images[i].getHeight(),null);
+        }
+        g.drawString("经济学",57,80);
+        g.drawString("理学",57,115);
+        g.drawString("工学",57,150);
+        g.drawString("管理学",57,165);
+    }
+}
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/CourseRightPanel.java b/src/main/java/com/zhiyun/zhiyun03/client/course/CourseRightPanel.java
new file mode 100644
index 0000000..a1d2df1
--- /dev/null
+++ b/src/main/java/com/zhiyun/zhiyun03/client/course/CourseRightPanel.java
@@ -0,0 +1,6 @@
+package com.zhiyun.zhiyun03.client.course;
+
+import javax.swing.*;
+
+public class CourseRightPanel extends JPanel {
+}
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/0.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/0.jpg
new file mode 100644
index 0000000..90f990e
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/0.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/1.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/1.jpg
new file mode 100644
index 0000000..43b4315
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/2.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/2.jpg
new file mode 100644
index 0000000..3798983
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/3.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/3.jpg
new file mode 100644
index 0000000..5b4a2b1
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/4.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/4.jpg
new file mode 100644
index 0000000..872b43b
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/5.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/5.jpg
new file mode 100644
index 0000000..1410e0f
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/6.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/6.jpg
new file mode 100644
index 0000000..5a8d44b
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/7.jpg b/src/main/java/com/zhiyun/zhiyun03/client/course/images/directory/7.jpg
new file mode 100644
index 0000000..c4bf062
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/0.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/0.jpg
new file mode 100644
index 0000000..90f990e
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/0.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/1.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/1.jpg
new file mode 100644
index 0000000..43b4315
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/1.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/2.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/2.jpg
new file mode 100644
index 0000000..3798983
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/2.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/3.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/3.jpg
new file mode 100644
index 0000000..5b4a2b1
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/3.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/4.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/4.jpg
new file mode 100644
index 0000000..872b43b
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diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/5.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/5.jpg
new file mode 100644
index 0000000..1410e0f
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/5.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/6.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/6.jpg
new file mode 100644
index 0000000..5a8d44b
Binary files /dev/null and b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/6.jpg differ
diff --git a/src/main/java/com/zhiyun/zhiyun03/client/images/directory/7.jpg b/src/main/java/com/zhiyun/zhiyun03/client/images/directory/7.jpg
new file mode 100644
index 0000000..c4bf062
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diff --git a/src/main/resources/0.png b/src/main/resources/0.png
new file mode 100644
index 0000000..cfacd30
Binary files /dev/null and b/src/main/resources/0.png differ
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 6cee5ca..e3c5ca5 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -19,7 +19,7 @@ spring:
     druid:
       url: jdbc:mysql://localhost:3306/zhiyun?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
       username: root
-      password: root
+      password: 123456
 
 
 
diff --git a/src/main/resources/templates/layui-v2.6.8/downloadList.html b/src/main/resources/templates/layui-v2.6.8/downloadList.html
index 4b68771..4b14e90 100644
--- a/src/main/resources/templates/layui-v2.6.8/downloadList.html
+++ b/src/main/resources/templates/layui-v2.6.8/downloadList.html
@@ -421,19 +421,6 @@
     </form>
 </script>
 
-<!--<script>-->
-<!--    //Demo-->
-<!--    layui.use('form', function(){-->
-<!--        var form = layui.form;-->
-<!--        //监听提交-->
-<!--        form.on('submit(formDemo)', function(data){-->
-<!--            //layer.msg(JSON.stringify(data.field));-->
-<!--            //前端可以进行一些判断...-->
-
-<!--            return true;//true表示走action访问后台，false表示不走-->
-<!--        });-->
-<!--    });-->
-<!--</script>-->
 </body>
 <script>