样式调整

src/styles/element-ui.scss

@@ -60,3 +60,5 @@
 .el-radio{
   margin-right: 20px;
 }
+
+.el-tooltip__popper{max-width:40%;line-height:160%;}

src/views/lesson/lessoncategory/edit/chapter/index.vue

@@ -221,7 +221,8 @@ export default {
 
     .card-box {
         padding-top: 20px;
-		height: 100%;
+        height: 100%;
+        margin: 0 auto;
     }
 
     .steps {

src/views/lesson/lessoncategory/index.vue

@@ -140,10 +140,12 @@ export default {
     @import "src/styles/mixin.scss";
     .mainContext{
         display: -webkit-box;
-        height: 100%;
+		height: 100%;
         overflow-y: auto;
         .box{
-            height: 100%;
+			height: 100%;
+			display: -webkit-box;
+    		width: 100%;
         }
     }
 </style>