diff --git a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
index 82e05240b1694ad8a5d51acdc5bbda62ba4de27d..438c366866add9f88dfe5684c85952786c77e1a1 100644
--- a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
+++ b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
@@ -65,7 +65,7 @@ module.exports = function (pagesJson, userManifestJson) {
     navigationBarBackgroundColor = '#000000'
   } = appJson['window'] || {}
   
-  const TABBAR_HEIGHT = 56
+  const TABBAR_HEIGHT = 50
 
   let manifestJson = JSON.parse(fs.readFileSync(path.resolve(__dirname, './manifest.json'), 'utf8'))