diff --git a/.vscode/settings.json b/.vscode/settings.json
index 6a5e3587..fd86b7f7 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,5 +3,5 @@
     "dist": true,
     "node_modules": true
   },
-  "todo-tree.expanded": true
+  "todo-tree.expanded": false
 }
\ No newline at end of file
diff --git a/src/pages/demo/components/container/card-bs.vue b/src/pages/demo/components/container/card-bs.vue
index 186b8797..e0185e6c 100644
--- a/src/pages/demo/components/container/card-bs.vue
+++ b/src/pages/demo/components/container/card-bs.vue
@@ -1,8 +1,8 @@
 <template>
   <d2-container type="card" scroll>
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <d2-demo-article/>
-    <template slot="footer">footer</template>
+    <template slot="footer">Footer</template>
   </d2-container>
 </template>
 
diff --git a/src/pages/demo/components/container/card-slot.vue b/src/pages/demo/components/container/card-slot.vue
index 5eab829a..ff8b63df 100644
--- a/src/pages/demo/components/container/card-slot.vue
+++ b/src/pages/demo/components/container/card-slot.vue
@@ -1,8 +1,8 @@
 <template>
   <d2-container type="card">
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <d2-demo-article/>
-    <template slot="footer">footer</template>
+    <template slot="footer">Footer</template>
   </d2-container>
 </template>
 
diff --git a/src/pages/demo/components/container/full-bs.vue b/src/pages/demo/components/container/full-bs.vue
index ba002053..47d862ef 100644
--- a/src/pages/demo/components/container/full-bs.vue
+++ b/src/pages/demo/components/container/full-bs.vue
@@ -1,8 +1,8 @@
 <template>
   <d2-container scroll>
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <d2-demo-article/>
-    <template slot="footer">header</template>
+    <template slot="footer">Header</template>
   </d2-container>
 </template>
 
diff --git a/src/pages/demo/components/container/full-slot.vue b/src/pages/demo/components/container/full-slot.vue
index 29897b85..087df2a9 100644
--- a/src/pages/demo/components/container/full-slot.vue
+++ b/src/pages/demo/components/container/full-slot.vue
@@ -1,8 +1,8 @@
 <template>
   <d2-container>
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <d2-demo-article/>
-    <template slot="footer">footer</template>
+    <template slot="footer">Footer</template>
   </d2-container>
 </template>
 
diff --git a/src/pages/demo/components/container/ghost-bs.vue b/src/pages/demo/components/container/ghost-bs.vue
index 51af6f7a..dd16956b 100644
--- a/src/pages/demo/components/container/ghost-bs.vue
+++ b/src/pages/demo/components/container/ghost-bs.vue
@@ -1,12 +1,12 @@
 <template>
   <d2-container type="ghost" scroll>
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <div class="d2-pt d2-pb">
       <el-card shadow="never">
         <d2-demo-article/>
       </el-card>
     </div>
-    <template slot="footer">footer</template>
+    <template slot="footer">Footer</template>
   </d2-container>
 </template>
 
diff --git a/src/pages/demo/components/container/ghost-slot.vue b/src/pages/demo/components/container/ghost-slot.vue
index 34c35de5..63d39cf0 100644
--- a/src/pages/demo/components/container/ghost-slot.vue
+++ b/src/pages/demo/components/container/ghost-slot.vue
@@ -1,12 +1,12 @@
 <template>
   <d2-container type="ghost">
-    <template slot="header">header</template>
+    <template slot="header">Header</template>
     <div class="d2-pt d2-pb">
       <el-card shadow="never">
         <d2-demo-article/>
       </el-card>
     </div>
-    <template slot="footer">footer</template>
+    <template slot="footer">Footer</template>
   </d2-container>
 </template>