diff --git a/src/components/core/d2-layout-main/components/-full-screen/index.vue b/src/components/core/d2-layout-main/components/-full-screen/index.vue
index 1903cea4..68f801be 100644
--- a/src/components/core/d2-layout-main/components/-full-screen/index.vue
+++ b/src/components/core/d2-layout-main/components/-full-screen/index.vue
@@ -5,7 +5,7 @@
     placement="bottom">
     <el-button class="d2-mr btn-text can-hover" type="text" @click="d2adminFullScreenToggle">
       <d2-icon v-if="isFullScreen" name="compress"/>
-      <d2-icon v-else name="arrows-alt"/>
+      <d2-icon v-else name="arrows-alt" style="font-size: 16px"/>
     </el-button>
   </el-tooltip>
 </template>
diff --git a/src/components/core/d2-layout-main/components/-github/index.vue b/src/components/core/d2-layout-main/components/-github/index.vue
new file mode 100644
index 00000000..f4bbe1c6
--- /dev/null
+++ b/src/components/core/d2-layout-main/components/-github/index.vue
@@ -0,0 +1,35 @@
+<template>
+  <div>
+    <el-tooltip effect="dark" placement="bottom">
+      <div slot="content">
+        <a class="link" :href="url" target="_blank">转到 Github</a>
+      </div>
+      <el-button class="d2-ml-0 d2-mr btn-text can-hover" type="text" @click="handleClick">
+        <d2-icon name="github" style="font-size: 20px"/>
+      </el-button>
+    </el-tooltip>
+  </div>
+</template>
+
+<script>
+export default {
+  data () {
+    return {
+      url: 'https://github.com/FairyEver/d2-admin'
+    }
+  },
+  methods: {
+    handleClick () {
+      window.open(this.url)
+    }
+  }
+}
+</script>
+
+
+<style lang="scss" scoped>
+.link {
+  color: #FFF;
+  text-decoration: none;
+}
+</style>
diff --git a/src/components/core/d2-layout-main/components/-help/index.vue b/src/components/core/d2-layout-main/components/-help/index.vue
index f0faa2c0..d8cb7a00 100644
--- a/src/components/core/d2-layout-main/components/-help/index.vue
+++ b/src/components/core/d2-layout-main/components/-help/index.vue
@@ -2,7 +2,7 @@
   <div>
     <el-tooltip effect="dark" content="疑问" placement="bottom">
       <el-button class="d2-ml-0 d2-mr btn-text can-hover" type="text" @click="dialogVisible = true">
-        <d2-icon name="question-circle"/>
+        <d2-icon name="question-circle" style="font-size: 20px"/>
       </el-button>
     </el-tooltip>
     <el-dialog title="帮助" width="600px" :visible.sync="dialogVisible">
diff --git a/src/components/core/d2-layout-main/components/-theme/index.vue b/src/components/core/d2-layout-main/components/-theme/index.vue
index 9c13d264..9b24bfda 100644
--- a/src/components/core/d2-layout-main/components/-theme/index.vue
+++ b/src/components/core/d2-layout-main/components/-theme/index.vue
@@ -2,7 +2,7 @@
   <div>
     <el-tooltip effect="dark" content="主题" placement="bottom">
       <el-button class="d2-ml-0 d2-mr btn-text can-hover" type="text" @click="dialogVisible = true">
-        <d2-icon name="diamond"/>
+        <d2-icon name="diamond" style="font-size: 16px"/>
       </el-button>
     </el-tooltip>
     <el-dialog title="主题" width="600px" :visible.sync="dialogVisible">
diff --git a/src/components/core/d2-layout-main/index.vue b/src/components/core/d2-layout-main/index.vue
index 60457d61..bd757071 100644
--- a/src/components/core/d2-layout-main/index.vue
+++ b/src/components/core/d2-layout-main/index.vue
@@ -14,6 +14,7 @@
         <d2-layout-main-menu-header/>
         <!-- 顶栏右侧 -->
         <div class="d2-header-right">
+          <d2-layout-main-header-github/>
           <d2-layout-main-header-help/>
           <d2-layout-main-header-full-screen/>
           <d2-layout-main-header-theme/>
@@ -52,7 +53,8 @@ export default {
     'd2-layout-main-header-full-screen': () => import('./components/-full-screen'),
     'd2-layout-main-header-theme': () => import('./components/-theme'),
     'd2-layout-main-header-user': () => import('./components/-user'),
-    'd2-layout-main-header-help': () => import('./components/-help')
+    'd2-layout-main-header-help': () => import('./components/-help'),
+    'd2-layout-main-header-github': () => import('./components/-github')
   },
   data () {
     return {