diff --git a/README.md b/README.md
index 545398b..86156ff 100644
--- a/README.md
+++ b/README.md
@@ -37,15 +37,16 @@
 ![文章列表](https://images.gitee.com/uploads/images/2019/0928/133443_1b312757_1152471.png "屏幕截图.png")
 
 <div align="center">
-    <img src="https://images.gitee.com/uploads/images/2019/0928/133918_d3f06692_1152471.png" height="500" width="300"/>
-    <img src="https://images.gitee.com/uploads/images/2019/0928/133958_d693ec3d_1152471.png" height="500" width="300"/>
+    <img src="https://images.gitee.com/uploads/images/2019/0928/133918_d3f06692_1152471.png" height="500" width="300" alt="手机端-控制台"/>
+    <img src="https://images.gitee.com/uploads/images/2019/0928/133958_d693ec3d_1152471.png" height="500" width="300" alt="手机端-控制台一"/>
+    <img src="https://images.gitee.com/uploads/images/2019/0928/134037_044ce556_1152471.png" height="500" width="300" alt="手机端-左侧菜单"/>
 </div>
 
-![手机端-控制台](https://images.gitee.com/uploads/images/2019/0928/133918_d3f06692_1152471.png "屏幕截图.png")
-![手机端-控制台一](https://images.gitee.com/uploads/images/2019/0928/133958_d693ec3d_1152471.png "屏幕截图.png")
-![手机端-左侧菜单](https://images.gitee.com/uploads/images/2019/0928/134037_044ce556_1152471.png "屏幕截图.png")
-![手机端-用户列表](https://images.gitee.com/uploads/images/2019/0928/134101_88527de9_1152471.png "屏幕截图.png")
-![手机端-添加用户](https://images.gitee.com/uploads/images/2019/0928/134122_9505f727_1152471.png "屏幕截图.png")
+<div align="center">
+    <img src="https://images.gitee.com/uploads/images/2019/0928/134101_88527de9_1152471.png" height="500" width="300" alt="手机端-用户列表"/>
+    <img src="https://images.gitee.com/uploads/images/2019/0928/134122_9505f727_1152471.png" height="500" width="300" alt="手机端-添加用户"/>
+    <img src="https://images.gitee.com/uploads/images/2019/0928/134037_044ce556_1152471.png" height="500" width="300" alt=""/>
+</div>
 
 ### 开源协议