diff --git a/src/core/view/components/textarea/index.vue b/src/core/view/components/textarea/index.vue
index 8447915f79978081f8d2717a9fd1f81cbe2ef7ad..b85f0f502469582a707b40ac6856e68c7ceb088d 100644
--- a/src/core/view/components/textarea/index.vue
+++ b/src/core/view/components/textarea/index.vue
@@ -317,6 +317,7 @@ uni-textarea {
   line-height: normal;
   white-space: pre-wrap;
   word-break: break-all;
+  box-sizing: content-box !important;
 }
 uni-textarea[hidden] {
   display: none;