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 27a2fea8e865c4220a145871bd63b982ea6aec2b..142bcd461008999ae62dea6ee9f9aaf8a6f8ef94 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
@@ -390,17 +390,18 @@ module.exports = function (pagesJson, userManifestJson) {
     } else if (isNVueEntryPage) {
       // 非纯 nvue 项目首页为 nvue 页面
       manifestJson.plus.launchwebview.id = '2'
+      manifestJson.plus.launchwebview.render = 'always'
     }
     // 带 tab
     if (pagesJson.tabBar && pagesJson.tabBar.list && pagesJson.tabBar.list.length) {
       const tabBar = manifestJson.plus.tabBar = Object.assign({}, pagesJson.tabBar)
       const borderStyles = {
-        black: 'rgba(0,0,0,0.8)',
-        white: 'rgba(255,255,255,0.8)'
+        black: 'rgba(0,0,0,0.4)',
+        white: 'rgba(255,255,255,0.4)'
       }
       let borderStyle = tabBar.borderStyle
       if (!borderStyle) {
-        borderStyle = borderStyles.black
+        borderStyle = 'black'
       }
       if (borderStyle in borderStyles) {
         tabBar.borderStyle = borderStyles[borderStyle]
diff --git a/src/platforms/app-plus/service/api/ui/tab-bar.js b/src/platforms/app-plus/service/api/ui/tab-bar.js
index 88dd632240c2925d67a148ba26aefef81197125e..22354b0b09b97a72f09ece9a44e2c5177c2b7ccd 100644
--- a/src/platforms/app-plus/service/api/ui/tab-bar.js
+++ b/src/platforms/app-plus/service/api/ui/tab-bar.js
@@ -43,12 +43,27 @@ export function setTabBarStyle ({
       errMsg: 'setTabBarStyle:fail not TabBar page'
     }
   }
-  tabBar.setTabBarStyle({
-    color,
-    selectedColor,
-    backgroundColor,
-    borderStyle: borderStyle === 'white' ? '#ffffff' : '#c6c6c6'
-  })
+  const style = {}
+  const borderStyles = {
+    black: 'rgba(0,0,0,0.4)',
+    white: 'rgba(255,255,255,0.4)'
+  }
+  if (color) {
+    style.color = color
+  }
+  if (selectedColor) {
+    style.selectedColor = selectedColor
+  }
+  if (backgroundColor) {
+    style.backgroundColor = backgroundColor
+  }
+  if (borderStyle in borderStyles) {
+    borderStyle = borderStyles[borderStyle]
+  }
+  if (borderStyle) {
+    style.borderStyle = borderStyle
+  }
+  tabBar.setTabBarStyle(style)
   return {
     errMsg: 'setTabBarStyle:ok'
   }
diff --git a/src/platforms/app-plus/service/framework/tab-bar.js b/src/platforms/app-plus/service/framework/tab-bar.js
index ead207d978e29c600971521c0b2c35eef3dde454..098d50c1f234c8d9de8f1bc30f72d587731a7156 100644
--- a/src/platforms/app-plus/service/framework/tab-bar.js
+++ b/src/platforms/app-plus/service/framework/tab-bar.js
@@ -50,17 +50,19 @@ function setTabBarBadge (type, index, text) {
  * 动态设置 tabBar 某一项的内容
  */
 function setTabBarItem (index, text, iconPath, selectedIconPath) {
-  const item = {}
+  const item = {
+    index
+  }
+  if (text !== undefined) {
+    item.text = text
+  }
   if (iconPath) {
     item.iconPath = getRealPath(iconPath)
   }
   if (selectedIconPath) {
     item.selectedIconPath = getRealPath(selectedIconPath)
   }
-  tabBar && tabBar.setTabBarItem(Object.assign({
-    index,
-    text
-  }, item))
+  tabBar && tabBar.setTabBarItem(item)
 }
 /**
  * 动态设置 tabBar 的整体样式