Demo：更新结构示意图

web/src/config/constant.js

@@ -1,13 +1,13 @@
 //  布局结构图片映射
 export const layoutImgMap = {
-    logicalStructure: require('../assets/img/logicalStructure.jpg'),
-    mindMap: require('../assets/img/mindMap.jpg'),
-    organizationStructure: require('../assets/img/organizationStructure.jpg'),
-    catalogOrganization: require('../assets/img/catalogOrganization.jpg'),
-    timeline: require('../assets/img/timeline.jpg'),
-    timeline2: require('../assets/img/timeline2.jpg'),
-    fishbone: require('../assets/img/fishbone.jpg'),
-    verticalTimeline: require('../assets/img/verticalTimeline.jpg'),
+    logicalStructure: require('../assets/img/logicalStructure.png'),
+    mindMap: require('../assets/img/mindMap.png'),
+    organizationStructure: require('../assets/img/organizationStructure.png'),
+    catalogOrganization: require('../assets/img/catalogOrganization.png'),
+    timeline: require('../assets/img/timeline.png'),
+    timeline2: require('../assets/img/timeline2.png'),
+    fishbone: require('../assets/img/fishbone.png'),
+    verticalTimeline: require('../assets/img/verticalTimeline.png'),
 }
 
 //  主题图片映射