modify

@@ -437,6 +437,7 @@ export default {
     cancel() {
       this.open = false;
       this.findSourceFlightRules();
+      this.$refs.form.clearValidate();
       //this.reset();
     },
     /** 重置按钮操作 */

@@ -45,7 +45,7 @@
       <el-form ref="addForm" :model="newPre" label-width="auto" label-position="left" size="small" :rules="rules"
         @submit.native.prevent>
         <el-form-item label="航班号" prop="addFlitNo">
-          <el-input type="textarea" v-model="fltNo" :rows="7" maxlength="255" show-word-limit placeholder="请输入航班号，用;分隔">
+          <el-input type="textarea" v-model="fltNo" :rows="7" maxlength="255" show-word-limit placeholder="请输入航班号">
           </el-input>
         </el-form-item>
       </el-form>