空数据处理

src/js/qcListYw.js

@@ -321,7 +321,7 @@ $(".abnormalClear").on("click", function(e){
 const moreKeys = 'medHomePage,admissionNote,firstCourseNote,courseRecord,operationInfo,dischargeNote,docAdviceNote,otherCase';//需要收起的字段
 function get30Str(str){
     let part1='',part2='';
-    let istr = str||'';
+    let istr = str||'-';
     if(istr.length>30){
         part1=istr.substr(0,30);
         part2=istr.substr(30);