diff --git a/pagesInn/inn/innInfoDetail.vue b/pagesInn/inn/innInfoDetail.vue
index 4a9070c..d24240a 100644
--- a/pagesInn/inn/innInfoDetail.vue
+++ b/pagesInn/inn/innInfoDetail.vue
@@ -169,7 +169,7 @@
           :showConfirmBar="false"
           cursorSpacing="15"
           v-model="reply" 
-          autoHeight
+          :autoHeight="content.length < 40 ? true : false"
           placeholder="分享你的观点，让世界听见你的声音...">
           
           <template slot="prefix">
diff --git a/pkg_common/views/message.vue b/pkg_common/views/message.vue
index d8d8db3..ff549e7 100644
--- a/pkg_common/views/message.vue
+++ b/pkg_common/views/message.vue
@@ -66,9 +66,9 @@
           @focus="commentInputFocus"
           @change="commentInputChange"
           :maxheight="200"
+          :autoHeight="content.length < 40 ? true : false"
           :showConfirmBar="false"
           :focus="autoFocus"
-          autoHeight
           id="input"
           :cursor="cursorIndex"
           cursorSpacing="85"