diff --git a/packages/select/src/select.vue b/packages/select/src/select.vue
index 184de5d6d..5b69e2905 100644
--- a/packages/select/src/select.vue
+++ b/packages/select/src/select.vue
@@ -8,7 +8,7 @@
       class="el-select__tags"
       v-if="multiple"
       ref="tags"
-      :style="{ 'max-width': inputWidth - 32 + 'px' }">
+      :style="{ 'max-width': inputWidth - 32 + 'px', width: '100%' }">
       <span v-if="collapseTags && selected.length">
         <el-tag
           :closable="!selectDisabled"
@@ -28,7 +28,7 @@
           <span class="el-select__tags-text">+ {{ selected.length - 1 }}</span>
         </el-tag>
       </span>
-      <transition-group @after-leave="resetInputHeight" v-if="!collapseTags">
+      <transition-group @after-leave="resetInputHeight" v-if="!collapseTags" style="display: contents;">
         <el-tag
           v-for="item in selected"
           :key="getValueKey(item)"
@@ -64,7 +64,7 @@
         v-model="query"
         @input="debouncedQueryChange"
         v-if="filterable"
-        :style="{ width: inputLength + 'px', 'max-width': inputWidth - 42 + 'px' }"
+        :style="{ 'flex-grow': '1', width: '30%' }"
         ref="input">
     </div>
     <el-input