diff --git a/commitlint.config.js b/commitlint.config.js
index 4fedde6daf..47fe5bb1ca 100644
--- a/commitlint.config.js
+++ b/commitlint.config.js
@@ -1 +1,6 @@
-module.exports = { extends: ['@commitlint/config-conventional'] }
+module.exports = {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    'header-max-length': [1, 'always', 150]
+  }
+}
diff --git a/packages/renderless/src/input/index.ts b/packages/renderless/src/input/index.ts
index 4fc2c075fe..71ec49a1cc 100644
--- a/packages/renderless/src/input/index.ts
+++ b/packages/renderless/src/input/index.ts
@@ -270,7 +270,7 @@ export const resizeTextarea =
 
     const { autosize, type } = parent
 
-    if (type !== 'textarea') {
+    if (type !== 'textarea' || !vm.$refs.textarea) {
       return
     }