diff --git a/src/platforms/app-plus-nvue/runtime/components/rich-text.js b/src/platforms/app-plus-nvue/runtime/components/rich-text.js
index 043a150cb9bc64ea41a3d34eb275bea643092d49..52a68e80a33c02d1260e2d6e9fa9061fc778000a 100644
--- a/src/platforms/app-plus-nvue/runtime/components/rich-text.js
+++ b/src/platforms/app-plus-nvue/runtime/components/rich-text.js
@@ -147,11 +147,7 @@ function normalizeNodes (nodes, ctx, options) {
 }
 
 function getRichText (weex) {
-  const {
-    scale,
-    deviceWidth
-  } = weex.config.env
-  const defaultFontSize = deviceWidth / scale / 20
+  const defaultFontSize = 16
   return {
     props: {
       nodes: {
diff --git a/src/platforms/app-plus/service/api/page.js b/src/platforms/app-plus/service/api/page.js
index c2f12d30c12c7c69137c564542b1c78a4767e2ad..29afc5cf30a9a453fd503ac785c61eb97165530a 100644
--- a/src/platforms/app-plus/service/api/page.js
+++ b/src/platforms/app-plus/service/api/page.js
@@ -101,7 +101,7 @@ export function showPage ({
     animationDuration: 200,
     uniNView: {
       path: `${(typeof process === 'object' && process.env && process.env.VUE_APP_TEMPLATE_PATH) || ''}/${url}.js`,
-      defaultFontSize: plus_.screen.resolutionWidth / 20,
+      defaultFontSize: 16,
       viewport: plus_.screen.resolutionWidth
     }
   }
diff --git a/src/platforms/app-plus/service/framework/config.js b/src/platforms/app-plus/service/framework/config.js
index c3e57d173000bdd5deb0caecaeb269b2673295fe..ee8be1e17b48b7459a146a3632dfccbd69fadace 100644
--- a/src/platforms/app-plus/service/framework/config.js
+++ b/src/platforms/app-plus/service/framework/config.js
@@ -27,7 +27,7 @@ export function registerConfig (config, Vue) {
 
   if (__uniConfig.nvueCompiler === 'uni-app') {
     __uniConfig.viewport = plus.screen.resolutionWidth
-    __uniConfig.defaultFontSize = __uniConfig.viewport / 20
+    __uniConfig.defaultFontSize = 16
   }
 
   parseRoutes(__uniConfig)
@@ -90,4 +90,4 @@ export function initEntryPage () {
   if (process.env.NODE_ENV !== 'production') {
     console.log(`[uni-app] entryPagePath(${entryPagePath + entryPageQuery})`)
   }
-}
+}
diff --git a/src/platforms/app-plus/view/components/picker/page.js b/src/platforms/app-plus/view/components/picker/page.js
index 556a294a1b73df8800a5312ca78445b7aa332420..9cf25df873769eadb2a23c4c944042fe1682b59d 100644
--- a/src/platforms/app-plus/view/components/picker/page.js
+++ b/src/platforms/app-plus/view/components/picker/page.js
@@ -101,7 +101,7 @@ export function showPage ({
     animationDuration: 200,
     uniNView: {
       path: `${(typeof process === 'object' && process.env && process.env.VUE_APP_TEMPLATE_PATH) || ''}/${url}.js`,
-      defaultFontSize: plus_.screen.resolutionWidth / 20,
+      defaultFontSize: 16,
       viewport: plus_.screen.resolutionWidth
     }
   }