diff --git a/.github/workflows/test-and-upload.yml b/.github/workflows/test-and-upload.yml
index 40e77af..d05e749 100644
--- a/.github/workflows/test-and-upload.yml
+++ b/.github/workflows/test-and-upload.yml
@@ -5,6 +5,7 @@ on:
     branches:
       - master
       - release
+      - '1.x'
   pull_request:
     branches:
       - master
diff --git a/packages/core/src/modules/plugin/node/config.js b/packages/core/src/modules/plugin/node/config.js
index cc30647..f9697a1 100644
--- a/packages/core/src/modules/plugin/node/config.js
+++ b/packages/core/src/modules/plugin/node/config.js
@@ -11,7 +11,7 @@ module.exports = {
     'cafile': false,
     'NODE_EXTRA_CA_CERTS': false,
     'NODE_TLS_REJECT_UNAUTHORIZED': false,
-    'yarnRegistry': 'null',
+    'yarnRegistry': 'default',
     'registry': 'https://registry.npmjs.org', // 可以选择切换官方或者淘宝镜像
   },
   // intercepts: {
diff --git a/packages/core/src/modules/plugin/node/index.js b/packages/core/src/modules/plugin/node/index.js
index d26adc1..e192695 100644
--- a/packages/core/src/modules/plugin/node/index.js
+++ b/packages/core/src/modules/plugin/node/index.js
@@ -45,7 +45,7 @@ const NodePlugin = function (context) {
 
       const cmds = []
       for (const item of list) {
-        if (item.value != null && item.value.length > 0 && item.value !== 'default') {
+        if (item.value != null && item.value.length > 0 && item.value !== 'default' && item.value !== 'null') {
           cmds.push(`${command} config set ${item.key}  ${item.value}`)
         } else {
           cmds.push(`${command} config delete ${item.key}`)
@@ -68,7 +68,7 @@ const NodePlugin = function (context) {
       const cmds = []
       log.debug('yarn set:', JSON.stringify(list))
       for (const item of list) {
-        if (item.value != null && item.value.length > 0 && item.value !== 'default') {
+        if (item.value != null && item.value.length > 0 && item.value !== 'default' && item.value !== 'null') {
           cmds.push(`yarn config set ${item.key}  ${item.value}`)
         } else {
           cmds.push(`yarn config delete ${item.key}`)