update

src/views/project/Index.vue

@@ -24,6 +24,13 @@
                         }
                     }
                 }
+                .top_add{
+                    font-size:22px;
+                    margin-left:90%;
+                    i{
+                        font-weight: 600;
+                    }
+                }
             }
             .div_right{
                 width: 65%;
@@ -55,6 +62,13 @@
         <p>项目管理 >  培训科目</p>
         <div class="content">
             <div class="div_left">
+                <el-button
+                    class="top_add"
+                    type="text"
+                    size="medium"
+                    @click.stop="() => append(data)">
+                    <i class="el-icon-plus"></i>
+                </el-button>
                  <el-tree  v-loading="loading"
                     :data="data"
                     node-key="id" :props='props'