modify

@@ -319,3 +319,28 @@ body {
 .btn-mb-4 {
   margin-bottom: 4px;
 }
+
+textarea::-webkit-input-placeholder {
+    /* WebKit browsers */
+    color: #C0C4CC !important;
+    font-size: 13px !important;
+    font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',SimSun,sans-serif;
+  }
+  textarea:-moz-placeholder {
+    /* Mozilla Firefox 4 to 18 */
+    color: #c0c4cc !important;
+    font-size: 13px !important;
+    font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',SimSun,sans-serif;
+  }
+  textarea::-moz-placeholder {
+    /* Mozilla Firefox 19+ */
+    color: #c0c4cc !important;
+    font-size: 13px !important;
+    font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',SimSun,sans-serif;
+  }
+  textarea::-ms-input-placeholder {
+    /* Internet Explorer 10+ */
+    color: #c0c4cc !important;
+    font-size: 13px !important;
+    font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',SimSun,sans-serif;
+  }

@@ -199,6 +199,7 @@ export default {
     close() {
       this.dialogVisible = false
       this.newPre.addFlitNo = ''
+      this.$refs.addForm.clearValidate()
     },
     //翻页
     currentChange(val) {