获取修正

@@ -137,11 +137,11 @@ export default {
       getDmDataList(this.selectForm).then((res) => {
         this.loading = false;
         if (res.code === 200) {
+          this.total = res.data.total;
           if (res.data.total === 0) {
             this.msgWarning('未查询到数据')
           } else {
             this.data = res.data.list;
-            this.total = res.data.total;
           }
         } else {
           this.msgWarning(res.msg)