vue el-form 阻止默认事件

<el-form :inline="true"
             @submit.native.prevent>
      <el-form-item label="">
        <el-input class="input-el"
                  placeholder="请输入模板名称"
                  @clear='clearMsg'
                  maxlength='50'
                  @keyup.enter.native='search'
                  v-model='searchMsg'
                  clearable>
          <i slot="prefix"
             class="el-input__icon el-icon-search"
             @click="search"></i>
        </el-input>
      </el-form-item>
      <el-form-item>
        <el-button size="medium"
                   type="primary"
                   @click="openDraft">申报草稿</el-button>
      </el-form-item>
    </el-form>