fix: CN-1592 UI 新增Tag检索界面:1. item新增成功时，仍有错误提示信息

src/views/tag/TagForm.vue

@@ -1179,6 +1179,7 @@ export default {
           self.backEditFlag = false
           self.isPreviewChange = true
           this.oldTagItem = {}
+          this.previewErrorTip = ''
         } else {
           self.showImportedData[index].isValid = 0
         }