diff --git a/tuniao-ui/components/tn-input/tn-input.vue b/tuniao-ui/components/tn-input/tn-input.vue
index f665268..6387eef 100644
--- a/tuniao-ui/components/tn-input/tn-input.vue
+++ b/tuniao-ui/components/tn-input/tn-input.vue
@@ -45,7 +45,7 @@
 		 v-if="type === 'select'"
 		 class="tn-input__text"
 		 > 
-		 {{defaultValue}}
+		 {{defaultValue == undefined || defaultValue == '' ? placeholder : defaultValue }}
 		 </view>
 		 
 		 <input