node configure增改接近完成，删除后端还没做

src/views/system/index/components/d2-help/index.vue

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+<template>
+  <div>
+    <el-button type="primary" @click="dialogVisible = true" plain round>
+      <d2-icon name="question-circle-o" class="d2-mr-5"/>
+      需要帮助吗
+    </el-button>
+    <el-dialog
+      title="帮助"
+      width="600px"
+      :visible.sync="dialogVisible"
+      :append-to-body="true">
+      <div style="margin-top: -25px;">
+        <h2 class="d2-mt-0">
+          这里有一些参考资料
+        </h2>
+        <el-button-group>
+          <el-button @click="$open('https://d2.pub/zh/doc/d2-admin')">
+            <d2-icon name="book" class="d2-mr-5"/>
+            文档
+          </el-button>
+          <el-button @click="$open('https://github.com/d2-projects/d2-admin/issues?q=is%3Aissue+is%3Aclosed')">
+            <d2-icon name="question" class="d2-mr-5"/>
+            历史提问
+          </el-button>
+          <el-button @click="$open('https://github.com/d2-projects/d2-admin/issues/new/choose')">
+            <d2-icon name="plus" class="d2-mr-5"/>
+            提交问题
+          </el-button>
+        </el-button-group>
+        <h2>询问其它使用者或作者</h2>
+        <el-row :gutter="20">
+          <el-col :span="12">
+            <img src="./image/qq.svg" style="width: 100%;">
+            <div class="d2-help--qr-info">
+              请使用手机 QQ 扫面上方二维码<br/>
+              1群 806395827 (满) | 2群 592981556
+            </div>
+          </el-col>
+          <el-col :span="12">
+            <img src="./image/we.svg" style="width: 100%;">
+            <div class="d2-help--qr-info">
+              请使用手机微信扫面上方二维码<br/>
+              添加作者微信好友，邀请加入微信群
+            </div>
+          </el-col>
+        </el-row>
+      </div>
+    </el-dialog>
+  </div>
+</template>
+
+<script>
+export default {
+  data () {
+    return {
+      dialogVisible: false
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.d2-help--qr-info {
+  background-color: #f4f4f5;
+  color: #909399;
+  width: 100%;
+  padding: 8px 16px;
+  margin: 0;
+  box-sizing: border-box;
+  border-radius: 4px;
+  position: relative;
+  overflow: hidden;
+  opacity: 1;
+  display: flex;
+  align-items: center;
+  transition: opacity .2s;
+}
+</style>