'tags栏保持在顶部/tags标签最多显示8个'

src/components/common/Tags.vue

@@ -61,11 +61,16 @@
                 const isExist = this.tagsList.some(item => {
                     return item.path === route.fullPath;
                 })
-                !isExist && this.tagsList.push({
+                if(!isExist){
+                    if(this.tagsList.length >= 8){
+                        this.tagsList.shift();
+                    }
+                    this.tagsList.push({
                         title: route.meta.title,
                         path: route.fullPath,
                         name: route.matched[1].components.default.name
                     })
+                }
                 bus.$emit('tags', this.tagsList);
             },
             handleTags(command){
@@ -97,6 +102,7 @@
         overflow: hidden;
         background: #fff;
         padding-right: 120px;
+        box-shadow: 0 5px 10px #ddd;
     }
 
     .tags ul {

static/css/main.css

@@ -26,7 +26,6 @@ a {
     right: 0;
     top: 70px;
     bottom: 0;
-    overflow-y: scroll;
     -webkit-transition: left .3s ease-in-out;
     transition: left .3s ease-in-out;
     background: #f0f0f0;
@@ -34,7 +33,10 @@ a {
 
 .content {
     width: auto;
+    height: 100%;
     padding: 40px;
+    overflow-y: scroll;
+    box-sizing: border-box;
 }
 
 .content-collapse {