修改企业简称

@@ -70,7 +70,8 @@ const tableFields: any = ref([
   { label: "企业名称", field: "param1", width: 200, },
   { label: "企业名称", field: "param1", width: 200, },
   { label: "企业简称", field: "abbreviation", width: 160, getName: (scope) => {
   { label: "企业简称", field: "abbreviation", width: 160, getName: (scope) => {
       const param4 = scope.row.param4 || '';
       const param4 = scope.row.param4 || '';
-      return param4 ? param4.split('_')?.slice(3)?.join('_') : '--'
+      let v = param4.split('_')?.slice(3);
+      return v?.length ? v?.join('_') : '--';
    } },
    } },
   { label: "统一社会信用代码", field: "param3", width: 160 },
   { label: "统一社会信用代码", field: "param3", width: 160 },
   {
   {