diff --git a/packages/field/index.vue b/packages/field/index.vue
index cd0efd5cc..2f59b923d 100644
--- a/packages/field/index.vue
+++ b/packages/field/index.vue
@@ -89,7 +89,10 @@ export default {
   mounted() {
     if (this.autosize && this.type === 'textarea') {
       const el = this.$refs.textarea;
-      el.style.height = el.scrollHeight + 'px';
+      const scrollHeight = el.scrollHeight;
+      if (scrollHeight !== 0) {
+        el.style.height = scrollHeight + 'px';
+      }
       el.style.overflowY = 'hidden';
     }
   },