diff --git a/dist/example/navbar/navbar.js b/dist/example/navbar/navbar.js
index b7380065..f7cd2dfa 100644
--- a/dist/example/navbar/navbar.js
+++ b/dist/example/navbar/navbar.js
@@ -12,7 +12,7 @@ Page({
         wx.getSystemInfo({
             success: function(res) {
                 that.setData({
-                    sliderLeft: (res.windowWidth / that.data.tabs.length - sliderWidth) / 2,
+                    sliderLeft: (res.windowWidth / that.data.tabs.length - 100) / 2,
                     sliderOffset: res.windowWidth / that.data.tabs.length * that.data.activeIndex
                 });
             }
@@ -24,4 +24,4 @@ Page({
             activeIndex: e.currentTarget.id
         });
     }
-});
\ No newline at end of file
+});
diff --git a/src/example/navbar/navbar.js b/src/example/navbar/navbar.js
index b7380065..f7cd2dfa 100644
--- a/src/example/navbar/navbar.js
+++ b/src/example/navbar/navbar.js
@@ -12,7 +12,7 @@ Page({
         wx.getSystemInfo({
             success: function(res) {
                 that.setData({
-                    sliderLeft: (res.windowWidth / that.data.tabs.length - sliderWidth) / 2,
+                    sliderLeft: (res.windowWidth / that.data.tabs.length - 100) / 2,
                     sliderOffset: res.windowWidth / that.data.tabs.length * that.data.activeIndex
                 });
             }
@@ -24,4 +24,4 @@ Page({
             activeIndex: e.currentTarget.id
         });
     }
-});
\ No newline at end of file
+});