diff --git a/src/side-bar/_example/base/index.wxml b/src/side-bar/_example/base/index.wxml
index 8dc1dd973..7c005f25a 100644
--- a/src/side-bar/_example/base/index.wxml
+++ b/src/side-bar/_example/base/index.wxml
@@ -5,7 +5,7 @@
{{item.title || item.label}}
-
+
{{item.title || item.label}}
-
+
-
+
{{item.title || item.label}}
diff --git a/src/tab-bar-item/tab-bar-item.wxml b/src/tab-bar-item/tab-bar-item.wxml
index d4a3f5435..376e02f0a 100644
--- a/src/tab-bar-item/tab-bar-item.wxml
+++ b/src/tab-bar-item/tab-bar-item.wxml
@@ -50,7 +50,7 @@
wx:for="{{subTabBar}}"
wx:for-item="child"
wx:for-index="index"
- wx:key="index"
+ wx:key="value"
bind:tap="selectChild"
data-value="{{child.value || index}}"
aria-role="tab"
diff --git a/src/tab-bar/_example/base/index.wxml b/src/tab-bar/_example/base/index.wxml
index f38744b0e..5ce76af8b 100644
--- a/src/tab-bar/_example/base/index.wxml
+++ b/src/tab-bar/_example/base/index.wxml
@@ -1,5 +1,5 @@
-
+
{{item.label}}
diff --git a/src/tab-bar/_example/custom/index.wxml b/src/tab-bar/_example/custom/index.wxml
index 1fb8832fd..f69767686 100644
--- a/src/tab-bar/_example/custom/index.wxml
+++ b/src/tab-bar/_example/custom/index.wxml
@@ -2,7 +2,7 @@
-
+
{{item.label}}