给默认的单位

src/views/dataEntry_manage/mixins/addOreditMixin.js

@@ -220,7 +220,7 @@ export default {
 				return this.$message.warning("数据转换不合法")
 			}
 			if(index===this.useUnit&&this.chartInfo.ChartType===7){
-				this.chartInfo.Unit = ConvertUnit
+				this.chartInfo.Unit = ConvertUnit||'无'
 				this.chartInfo.UnitEn = ConvertEnUnit
 			}
 			this.barDateList.length && this.$refs.BarOptRef.getBarData();